diff --git a/KKdMainLib/A3DA/A3DA.cs b/KKdMainLib/A3DA/A3DA.cs
index 7e6405f..fa00cb0 100644
--- a/KKdMainLib/A3DA/A3DA.cs
+++ b/KKdMainLib/A3DA/A3DA.cs
@@ -11,8 +11,6 @@ namespace KKdMainLib.A3DA
     {
         private const bool A3DCOpt = true;
         private const string d = ".";
-        private const string BO = "bin_offset";
-        private const string MTBO = "model_transform.bin_offset";
         
         private int SOi0;
         private int SOi1;
@@ -77,7 +75,7 @@ namespace KKdMainLib.A3DA
             }
             else { IO.Close(); return 0; }
 
-            if (Data.Header.Format < Main.Format.F || Data.Header.Format == Main.Format.FT)
+            if (Data.Header.Format == Main.Format.DT)
                 Data.Head.StringLength = IO.Length - 0x10;
 
             string[] STRData = IO.ReadString(Data.Head.StringLength).Replace("\r", "").Split('\n');
@@ -91,7 +89,7 @@ namespace KKdMainLib.A3DA
 
             A3DAReader();
 
-            if (Data.Header.Format == Main.Format.F || Data.Header.Format > Main.Format.FT)
+            if (Data.Header.Format >= Main.Format.F && Data.Header.Format != Main.Format.FT)
             {
                 IO.Position = IO.Offset + Data.Head.BinaryOffset;
                 IO.Offset = IO.Position;
@@ -1251,10 +1249,10 @@ namespace KKdMainLib.A3DA
             IO.WriteEndian(Data.Head.BinaryOffset, true);
             IO.WriteEndian(Data.Head.BinaryLength, true);
             IO.WriteEndian(0x20, true);
-            if (Data.Header.Format != Main.Format.F)
+            if (Data.Header.Format > Main.Format.FT)
             {
                 IO.Position = A3DCEnd;
-                IO.WriteEOFC(0);
+                IO.WriteEOFC();
             }
 
             IO.Close();
@@ -1280,7 +1278,10 @@ namespace KKdMainLib.A3DA
             if (Key.Trans != null)
             {
                 Key.BinOffset = IO.Position;
-                IO.Write(Key.Type);
+                int Type = Key.Type.Value;
+                if (Key.EPTypePost.HasValue) Type |= (Key.EPTypePost.Value & 0xF) << 12;
+                if (Key.EPTypePre .HasValue) Type |= (Key.EPTypePre .Value & 0xF) << 12;
+                IO.Write(Type);
                 IO.Write(0x00);
                 IO.Write((float)Key.Max);
                 IO.Write(Key.Trans.Length);
@@ -1513,11 +1514,11 @@ namespace KKdMainLib.A3DA
                 {
                     Data.MObjectHRC[i0] = new MObjectHRC
                     {
-                        MT   = Temp[i].ReadMT(),
-                        Name = Temp[i].ReadString("Name"),
+                        MT   = Temp[i0].ReadMT(),
+                        Name = Temp[i0].ReadString("Name"),
                     };
 
-                    if (Temp[i].Element("JointOrient", out MsgPack JointOrient))
+                    if (Temp[i0].Element("JointOrient", out MsgPack JointOrient))
                         Data.MObjectHRC[i0].JointOrient = new Vector3<double?>
                         {
                             X = JointOrient.ReadDouble("X"),
@@ -1525,7 +1526,7 @@ namespace KKdMainLib.A3DA
                             Z = JointOrient.ReadDouble("Z"),
                         };
 
-                    if (Temp[i].ElementArray("Instance", out MsgPack Instance))
+                    if (Temp[i0].ElementArray("Instance", out MsgPack Instance))
                     {
                         Data.MObjectHRC[i0].Instance = new Instance[Instance.Array.Length];
                         for (i1 = 0; i1 < Data.MObjectHRC[i0].Instance.Length; i1++)
@@ -1538,7 +1539,7 @@ namespace KKdMainLib.A3DA
                             };
                     }
 
-                    if (Temp[i].ElementArray("Node", out MsgPack Node))
+                    if (Temp[i0].ElementArray("Node", out MsgPack Node))
                     {
                         Data.MObjectHRC[i0].Node = new Node[Temp.Array.Length];
                         for (i1 = 0; i1 < Data.MObjectHRC[i0].Node.Length; i1++)
@@ -1573,15 +1574,15 @@ namespace KKdMainLib.A3DA
                 {
                     Data.Object[i0] = new Object
                     {
-                                 MT = Temp[i].ReadMT(),
-                        Morph       = Temp[i].ReadString("Morph"      ),
-                        MorphOffset = Temp[i].ReadNInt32("MorphOffset"),
-                               Name = Temp[i].ReadString(       "Name"),
-                         ParentName = Temp[i].ReadString( "ParentName"),
-                            UIDName = Temp[i].ReadString(    "UIDName"),
+                                 MT = Temp[i0].ReadMT(),
+                        Morph       = Temp[i0].ReadString("Morph"      ),
+                        MorphOffset = Temp[i0].ReadNInt32("MorphOffset"),
+                               Name = Temp[i0].ReadString(       "Name"),
+                         ParentName = Temp[i0].ReadString( "ParentName"),
+                            UIDName = Temp[i0].ReadString(    "UIDName"),
                     };
 
-                    if (Temp[i].ElementArray("TP", out MsgPack TP))
+                    if (Temp[i0].ElementArray("TP", out MsgPack TP))
                     {
                         Data.Object[i0].TP = new Object.TexturePattern[TP.Array.Length];
                         for (i1 = 0; i1 < Data.Object[i0].TP.Length; i1++)
@@ -1593,7 +1594,7 @@ namespace KKdMainLib.A3DA
                             };
                     }
 
-                    if (Temp[i].ElementArray("TT", out MsgPack TT))
+                    if (Temp[i0].ElementArray("TT", out MsgPack TT))
                     {
                         Data.Object[i0].TT = new Object.TextureTransform[TT.Array.Length];
                         for (i1 = 0; i1 < Data.Object[i0].TT.Length; i1++)
@@ -1618,12 +1619,12 @@ namespace KKdMainLib.A3DA
                 {
                     Data.ObjectHRC[i0] = new ObjectHRC
                     {
-                           Name = Temp[i].ReadString (   "Name"),
-                         Shadow = Temp[i].ReadNDouble( "Shadow"),
-                        UIDName = Temp[i].ReadString ("UIDName"),
+                           Name = Temp[i0].ReadString (   "Name"),
+                         Shadow = Temp[i0].ReadNDouble( "Shadow"),
+                        UIDName = Temp[i0].ReadString ("UIDName"),
                     };
 
-                    if (Temp[i].Element("JointOrient", out MsgPack JointOrient))
+                    if (Temp[i0].Element("JointOrient", out MsgPack JointOrient))
                         Data.ObjectHRC[i0].JointOrient = new Vector3<double?>
                         {
                             X = JointOrient.ReadDouble("X"),
@@ -1631,7 +1632,7 @@ namespace KKdMainLib.A3DA
                             Z = JointOrient.ReadDouble("Z"),
                         };
 
-                    if (Temp[i].ElementArray("Node", out MsgPack Node))
+                    if (Temp[i0].ElementArray("Node", out MsgPack Node))
                     {
                         Data.ObjectHRC[i0].Node = new Node[Node.Array.Length];
                         for (i1 = 0; i1 < Data.ObjectHRC[i0].Node.Length; i1++)
@@ -1742,7 +1743,7 @@ namespace KKdMainLib.A3DA
             if (Data.Chara != null)
             {
                 MsgPack Chara = new MsgPack(Data.Chara.Length, "Chara");
-                for (i = 0; i < Data.Curve.Length; i++) Chara[i] = MsgPack.New.Add(null, Data.Chara[i]);
+                for (i = 0; i < Data.Chara.Length; i++) Chara[i] = MsgPack.New.Add(null, Data.Chara[i]);
                 A3D.Add(Chara);
             }
 
@@ -2084,10 +2085,10 @@ namespace KKdMainLib.A3DA
         public int? Type;
         public int? Length;
         public int? BinOffset;
+        public int? EPTypePre;
+        public int? EPTypePost;
         public double? Max;
         public double? Value;
-        public double? EPTypePost;
-        public double? EPTypePre;
         public RawD RawData;
         public IKeyFrame<double, double>[] Trans;
 
diff --git a/KKdMainLib/A3DA/A3DAExt.cs b/KKdMainLib/A3DA/A3DAExt.cs
index 2e0e4b7..4a9aac2 100644
--- a/KKdMainLib/A3DA/A3DAExt.cs
+++ b/KKdMainLib/A3DA/A3DAExt.cs
@@ -270,9 +270,14 @@ namespace KKdMainLib.A3DA
 
             Key.Value = IO.ReadSingle();
             if (Key.Type == 0x0000 || Key.Type == 0x0001) return;
-
             Key.Max    = IO.ReadSingle();
             Key.Length = IO.ReadInt32 ();
+            if (Key.Type >> 8 != 0)
+            {
+                Key.EPTypePost = (Key.Type >> 12) & 0xF;
+                Key.EPTypePre  = (Key.Type >>  8) & 0xF;
+            }
+            Key.Type = Key.Type & 0xFF;
             Key.Trans = new IKeyFrame<double, double>[(int)Key.Length];
             KeyFrameT3<double, double> Temp;
             for (int i = 0; i < Key.Length; i++)
@@ -356,8 +361,8 @@ namespace KKdMainLib.A3DA
         {
             if (k.Object == null) return null;
             
-            Key Key = new Key { EPTypePost = k.ReadNDouble("Post"),
-                EPTypePre = k.ReadNDouble("Pre"), Max = k.ReadNDouble("M"),
+            Key Key = new Key { EPTypePost = k.ReadNInt32("Post"),
+                EPTypePre = k.ReadNInt32("Pre"), Max = k.ReadNDouble("M"),
                 Type = k.ReadNInt32("T"), Value = k.ReadNDouble("V") };
             if (k.ReadBoolean("RD")) Key.RawData = new Key.RawD() { KeyType = -1, ValueType = "float" };
             if (Key.Type == 0) Key.Value = 0.0;
diff --git a/KKdMainLib/Aet/Aet.cs b/KKdMainLib/Aet/Aet.cs
index 4970d12..5eac7d3 100644
--- a/KKdMainLib/Aet/Aet.cs
+++ b/KKdMainLib/Aet/Aet.cs
@@ -1,6 +1,5 @@
 //Original: AetSet.bt Version: 2.0 by samyuu
 
-//using System.Collections.Generic;
 using KKdMainLib.IO;
 using KKdMainLib.Types;
 using KKdMainLib.MessagePack;
@@ -82,7 +81,7 @@ namespace KKdMainLib.Aet
                 for (i0 = 0; i0 < Aet.Layers[i].Count; i0++, i1++)
                 {
                     Aet.Layers[i].Objects[i0] = IO.ReadAetObject();
-                    Aet.Layers[i].ObjectIDs[i0] = i1;
+                    Aet.Layers[i].Objects[i0].ID = i1;
                 }
             }
 
@@ -230,7 +229,7 @@ namespace KKdMainLib.Aet
                             bool Found = false;
                             for (int I = 0; I < Aet.Layers.Count; I++)
                                 for (int I0 = 0; I0 < Aet.Layers.Entries[I].Count; I0++)
-                                    if (Aet.Layers.Entries[I].ObjectIDs[I0] == Obj.Pic.Value.ParentObjectID)
+                                    if (Aet.Layers[I][I0].ID == Obj.Pic.Value.ParentObjectID)
                                     {
                                         Found = true;
                                         IO.Write(Aet.Layers.Entries[I].Objects[I0].Offset);
@@ -258,7 +257,7 @@ namespace KKdMainLib.Aet
                             bool Found = false;
                             for (int I = 0; I < Aet.Layers.Count; I++)
                                 for (int I0 = 0; I0 < Aet.Layers.Entries[I].Count; I0++)
-                                    if (Aet.Layers.Entries[I].ObjectIDs[I0] == Obj.Eff.Value.ParentObjectID)
+                                    if (Aet.Layers[I][I0].ID == Obj.Eff.Value.ParentObjectID)
                                     {
                                         Found = true;
                                         IO.Write(Aet.Layers.Entries[I].Objects[I0].Offset);
@@ -323,7 +322,7 @@ namespace KKdMainLib.Aet
             AET = new AetHeader();
 
             MsgPack MsgPack = file.ReadMPAllAtOnce(JSON);
-            if (!MsgPack.ElementArray("Aet", out MsgPack Aet)) { MsgPack = MsgPack.New; return; }
+            if (!MsgPack.ElementArray("Aet", out MsgPack Aet)) { MsgPack.Dispose(); return; }
 
             if (Aet.Array != null)
                 if (Aet.Array.Length > 0)
@@ -333,7 +332,7 @@ namespace KKdMainLib.Aet
                         MsgPackReader(Aet.Array[i], ref AET.Data[i] );
                 }
 
-            MsgPack = MsgPack.New;
+            MsgPack.Dispose();
         }
 
         public void MsgPackWriter(string file, bool JSON)
@@ -385,12 +384,15 @@ namespace KKdMainLib.Aet
             i = Aet.Layers.Count - 1;
             if (AET.ElementArray("RootLayer", out Temp))
             {
-                Aet.Layers.Entries[i].Objects = new AetObject[Temp.Array.Length];
+                Aet.Layers.Entries[i].Count = Temp.Array.Length;
                 for (i0 = 0; i0 < Aet.Layers[i].Count; i0++)
                     Aet.Layers.Entries[i].Objects[i0].ReadMP(Temp[i0]);
             }
             else if (AET.Element("RootLayer", out Temp))
+            {
+                Aet.Layers.Entries[i].Count = 1;
                 Aet.Layers.Entries[i].Objects[0].ReadMP(Temp);
+            }
             else return;
 
             AetData.Offset = 0;
@@ -409,12 +411,12 @@ namespace KKdMainLib.Aet
 
             i = Aet.Layers.Count - 1;
             if (Aet.Layers[i].Count == 1)
-                AET.Add(Aet.Layers[i][0].WriteMP(ref Aet, Aet.Layers[i].ObjectIDs[0], "RootLayer"));
+                AET.Add(Aet.Layers[i][0].WriteMP(ref Aet, "RootLayer"));
             if (Aet.Layers[i].Count > 1)
             {
                 MsgPack RootLayer = new MsgPack(Aet.Layers[i].Count, "RootLayer");
                 for (i0 = 0; i0 < Aet.Layers[i].Count; i0++)
-                    RootLayer[i0] = Aet.Layers[i][i0].WriteMP(ref Aet, Aet.Layers[i].ObjectIDs[i0]);
+                    RootLayer[i0] = Aet.Layers[i][i0].WriteMP(ref Aet);
                 AET.Add(RootLayer);
             }
 
@@ -458,10 +460,9 @@ namespace KKdMainLib.Aet
         public int Count
         {
             get => Objects != null ? Objects.Length : 0;
-            set { ObjectIDs = new int[value]; Objects = new AetObject[value]; }
+            set => Objects = new AetObject[value];
         }
         public int Offset;
-        public int[] ObjectIDs;
         public AetObject[] Objects;
 
         public void ReadMP(MsgPack msg)
@@ -484,17 +485,17 @@ namespace KKdMainLib.Aet
             if (Count < 1)
                 return MsgPack.New.Add("ID", Id);
             else if (Count == 1)
-                return MsgPack.New.Add("ID", Id).Add(this.Objects[0].WriteMP(ref Aet, ObjectIDs[0], "Object"));
+                return MsgPack.New.Add("ID", Id).Add(this.Objects[0].WriteMP(ref Aet, "Object"));
             MsgPack Objects = new MsgPack(Count, "Objects");
             for (int i = 0; i < Count; i++)
-                Objects[i] = this.Objects[i].WriteMP(ref Aet, ObjectIDs[i]);
+                Objects[i] = this.Objects[i].WriteMP(ref Aet);
             return MsgPack.New.Add("ID", Id).Add(Objects);
         }
 
         public AetObject this[int index]
         {
-            get { if (Count > 0) return Objects[index]; return default(AetObject); }
-            set { if (Count > 0) { Objects[index] = value; } }
+            get =>    Count > 0  ? Objects[index] : default;
+            set { if (Count > 0) { Objects[index] =   value; } }
         }
         
         public override string ToString() => "Count: " + Count;
@@ -502,6 +503,7 @@ namespace KKdMainLib.Aet
 
     public struct AetObject
     {
+        public int ID;
         public int Offset;
         public Pointer<string> Name;
         public float StartTime0;
@@ -516,8 +518,9 @@ namespace KKdMainLib.Aet
         public Pointer<Audio  > Aif;
         public Pointer<Effect > Eff;
 
-        public int ReadMP(MsgPack msg)
+        public void ReadMP(MsgPack msg)
         {
+            ID            = msg.ReadInt32 ("ID"           );
             Name.Value    = msg.ReadString("Name"         );
             StartTime0    = msg.ReadSingle("StartTime0"   );
             LoopDuration  = msg.ReadSingle("LoopDuration" );
@@ -533,10 +536,9 @@ namespace KKdMainLib.Aet
             else if (msg.Element("Eff", out MsgPack Eff))
             { Type = ObjType.Eff; this.Eff.Value.ReadMP(Eff); }
             else Type = ObjType.Nop;
-            return msg.ReadInt32("ID");
         }
 
-        public MsgPack WriteMP(ref AetData Aet, int ID, string name = null)
+        public MsgPack WriteMP(ref AetData Aet, string name = null)
         {
             MsgPack AetObject = new MsgPack(name).Add("ID", ID).Add("Name", Name.Value)
                 .Add("StartTime0", StartTime0).Add("LoopDuration", LoopDuration)
@@ -602,7 +604,7 @@ namespace KKdMainLib.Aet
                     for (int i = 0; i < Aet.Layers.Count; i++)
                         for (int i1 = 0; i1 < Aet.Layers[i].Count; i1++)
                             if (Aet.Layers[i][i1].Offset == ParentObjectID)
-                            { Pic.Add("ParentObjectID", Aet.Layers[i].ObjectIDs[i1]); break; }
+                            { Pic.Add("ParentObjectID", Aet.Layers[i][i1].ID); break; }
 
                 if (Marker.Count == 1)
                     Pic.Add(Marker.Entries[0].WriteMP("Marker"));
@@ -683,7 +685,7 @@ namespace KKdMainLib.Aet
                     for (int i = 0; i < Aet.Layers.Count; i++)
                         for (int i1 = 0; i1 < Aet.Layers[i].Count; i1++)
                             if (Aet.Layers[i][i1].Offset == ParentObjectID)
-                            { Eff.Add("ParentObjectID", Aet.Layers[i].ObjectIDs[i1]); break; }
+                            { Eff.Add("ParentObjectID", Aet.Layers[i][i1].ID); break; }
 
                 if (Marker.Count == 1)
                     Eff.Add(Marker[0].WriteMP("Marker"));
diff --git a/KKdMainLib/DB/Aet.cs b/KKdMainLib/DB/Aet.cs
index f2c51f5..ba3e45d 100644
--- a/KKdMainLib/DB/Aet.cs
+++ b/KKdMainLib/DB/Aet.cs
@@ -190,7 +190,7 @@ namespace KKdMainLib.DB
 
         public void MsgPackReader(string file, bool JSON)
         {
-            MsgPack MsgPack = file.ReadMP(JSON);
+            MsgPack MsgPack = file.ReadMPAllAtOnce(JSON);
 
             if (MsgPack.ElementArray("AetDB", out MsgPack AetDB))
             {
diff --git a/KKdMainLib/DB/Auth.cs b/KKdMainLib/DB/Auth.cs
index 09ccdf5..70e2ae6 100644
--- a/KKdMainLib/DB/Auth.cs
+++ b/KKdMainLib/DB/Auth.cs
@@ -70,8 +70,7 @@ namespace KKdMainLib.DB
             {
                 int[] SO = Category.Length.SortWriter();
                 for (int i = 0; i < Category.Length; i++)
-                    if (Category[SO[i]] != null)
-                        IO.Write("category." + SO[i] + ".value=", Category[SO[i]]);
+                    IO.Write("category." + SO[i] + ".value=", Category[SO[i]]);
                 IO.Write("category.length=", Category.Length);
             }
 
@@ -80,16 +79,12 @@ namespace KKdMainLib.DB
                 int[] SO = _UID.Length.SortWriter();
                 for (int i = 0; i < _UID.Length; i++)
                 {
-                    if (_UID[SO[i]].Category != null)
-                        if (_UID[SO[i]].Category != "")
-                            IO.Write("uid." + SO[i] + ".category=", _UID[SO[i]].Category);
-                    if (_UID[SO[i]].OrgUid   != null)
-                            IO.Write("uid." + SO[i] + ".org_uid=" , _UID[SO[i]].OrgUid  );
-                    if (_UID[SO[i]].Size     != null)
-                            IO.Write("uid." + SO[i] + ".size="    , _UID[SO[i]].Size    );
-                    if (_UID[SO[i]].Value    != null)
-                        if (_UID[SO[i]].Value    != "")
-                            IO.Write("uid." + SO[i] + ".value="   , _UID[SO[i]].Value   );
+                    if (_UID[SO[i]].Category != "")
+                        IO.Write("uid." + SO[i] + ".category=", _UID[SO[i]].Category);
+                        IO.Write("uid." + SO[i] + ".org_uid=" , _UID[SO[i]].OrgUid  );
+                        IO.Write("uid." + SO[i] + ".size="    , _UID[SO[i]].Size    );
+                    if (_UID[SO[i]].Value    != "")
+                        IO.Write("uid." + SO[i] + ".value="   , _UID[SO[i]].Value   );
                 }
                 IO.Write("uid.length=", _UID.Length);
             }
@@ -99,7 +94,7 @@ namespace KKdMainLib.DB
 
         public void MsgPackReader(string file, bool JSON)
         {
-            MsgPack MsgPack = file.ReadMP(JSON);
+            MsgPack MsgPack = file.ReadMPAllAtOnce(JSON);
 
             if (MsgPack.Element("AuthDB", out MsgPack AuthDB))
             {
@@ -115,10 +110,10 @@ namespace KKdMainLib.DB
                     _UID = new UID[Temp.Array.Length];
                     for (int i = 0; i < _UID.Length; i++)
                     {
-                        _UID[i].Category = Temp[i].ReadString("C");
-                        _UID[i].OrgUid   = Temp[i].ReadNInt32("O");
-                        _UID[i].Size     = Temp[i].ReadNInt32("S");
-                        _UID[i].Value    = Temp[i].ReadString("V");
+                        _UID[i].Category = Temp[i].ReadString("Category");
+                        _UID[i].OrgUid   = Temp[i].ReadNInt32("OrgUid"  );
+                        _UID[i].Size     = Temp[i].ReadNInt32("Size"    );
+                        _UID[i].Value    = Temp[i].ReadString("Value"   );
                     }
                 }
             }
@@ -140,11 +135,10 @@ namespace KKdMainLib.DB
             {
                 MsgPack UID = new MsgPack(_UID.Length, "UID");
                 for (int i = 0; i < _UID.Length; i++)
-                    UID[i] = MsgPack.New
-                        .Add("C", _UID[i].Category)
-                        .Add("O", _UID[i].OrgUid  )
-                        .Add("S", _UID[i].Size    )
-                        .Add("V", _UID[i].Value   );
+                    UID[i] = MsgPack.New.Add("Category", _UID[i].Category)
+                                        .Add("OrgUid"  , _UID[i].OrgUid  )
+                                        .Add("Size"    , _UID[i].Size    )
+                                        .Add("Value"   , _UID[i].Value   );
                 AuthDB.Add(UID);
             }
 
diff --git a/KKdMainLib/DB/Spr.cs b/KKdMainLib/DB/Spr.cs
index 0c1f9ab..542c1cd 100644
--- a/KKdMainLib/DB/Spr.cs
+++ b/KKdMainLib/DB/Spr.cs
@@ -15,26 +15,6 @@ namespace KKdMainLib.DB
 
         public void BINReader(string file)
         {
-            /*Stream IO0 = File.OpenReader(file + "0.bin");
-            Stream IO1 = File.OpenReader(file + "1.bin");
-
-            List<int> _0 = new List<int>();
-            List<int> _1 = new List<int>();
-            IO0.Position = 0x20;
-            for (i = 0; i < 124; i++)
-            { _0.Add(IO0.ReadInt32()); IO0.LongPosition += 8; }
-            IO1.Position = 0x20;
-            for (i = 0; i < 124; i++)
-            { _1.Add(IO1.ReadInt32()); IO1.LongPosition += 8; }
-            IO0.Close();
-            IO1.Close();
-
-            IO = File.OpenWriter(@"F:\Source\MikuMikuModel\DatabaseConverter\msgpack-json-tools\aet_gam_pv643.bin");
-            IO.Position = 0x10;
-            for (i = 0; i < 108; i++)
-            { IO.ReadInt32(); i1 = _1[_0.IndexOf(IO.ReadInt32())]; IO.Position -= 4; IO.Write(i1); }
-            IO.Close();*/
-
             IO = File.OpenReader(file + ".bin");
 
             int spriteSetsLength = IO.ReadInt32();
@@ -247,7 +227,7 @@ namespace KKdMainLib.DB
 
         public void MsgPackReader(string file, bool JSON = false)
         {
-            MsgPack MsgPack = file.ReadMP(JSON);
+            MsgPack MsgPack = file.ReadMPAllAtOnce(JSON);
 
             if (MsgPack.ElementArray("SprDB", out MsgPack SprDB))
             {
diff --git a/KKdMainLib/DEX.cs b/KKdMainLib/DEX.cs
index 251776f..d2c72d1 100644
--- a/KKdMainLib/DEX.cs
+++ b/KKdMainLib/DEX.cs
@@ -109,19 +109,15 @@ namespace KKdMainLib
 
             IO.Write(0x64);
             IO.Write(Dex.Length);
-            
-            if (Header.IsX) IO.Write((long)0x28);
-            else            IO.Write(      0x20);
-            if (Header.IsX) IO.Write((long)0x00);
-            else            IO.Write(      0x00);
+
+            IO.WriteX(Header.IsX ? 0x28 : 0x20);
+            IO.WriteX(0x00);
 
             int Position0 = IO.Position;
             IO.Write((long)0x00);
             IO.Write((long)0x00);
 
-            for (int i = 0; i < Dex.Length * 3; i++)
-                if (Header.IsX) IO.Write((long)0x00);
-                else            IO.Write(      0x00);
+            for (int i = 0; i < Dex.Length * 3; i++) IO.WriteX(0x00);
 
             IO.Align(0x20, true);
 
@@ -156,8 +152,7 @@ namespace KKdMainLib
             }
             IO.Align(0x10, true);
 
-            if (Header.IsX) IO.Seek(Header.Lenght + 0x28, 0);
-            else            IO.Seek(Header.Lenght + 0x20, 0);
+            IO.Position = Header.Lenght + (Header.IsX ? 0x28 : 0x20);
             for (int i0 = 0; i0 < Dex.Length; i0++)
             {
                 IO.Write(Dex[i0].MainOffset);
@@ -172,8 +167,7 @@ namespace KKdMainLib
                 if (Header.IsX) IO.Write(0x00);
             }
 
-            if (Header.IsX) IO.Seek(Position0 - 8, 0);
-            else            IO.Seek(Position0 - 4, 0);
+            IO.Position = Position0 - (Header.IsX ? 8 : 4);
             IO.Write(Position1);
 
             if (IO.Format > Main.Format.F)
diff --git a/KKdMainLib/DIVAFILE.cs b/KKdMainLib/DIVAFILE.cs
index 38e6492..4a7682a 100644
--- a/KKdMainLib/DIVAFILE.cs
+++ b/KKdMainLib/DIVAFILE.cs
@@ -7,7 +7,9 @@ namespace KKdMainLib
 {
     public static class DIVAFILE
     {
-        private static readonly byte[] Key = "file access deny".ToASCII();
+        private static readonly byte[] Key = new byte[]
+        { 0x66, 0x69, 0x6C, 0x65, 0x20, 0x61, 0x63, 0x63,
+          0x65, 0x73, 0x73, 0x20, 0x64, 0x65, 0x6E, 0x79 };
 
         public static void Decrypt(this string file)
         {
diff --git a/KKdMainLib/DataBank.cs b/KKdMainLib/DataBank.cs
index c9a6039..4c4be94 100644
--- a/KKdMainLib/DataBank.cs
+++ b/KKdMainLib/DataBank.cs
@@ -49,12 +49,12 @@ namespace KKdMainLib
             IO = File.OpenWriter();
             if (file.Contains("psrData"))
                 for (i = 0; i < psrDat.Length; i++)
-                    IO.Write(psrDat[i].ToString() + ",");
+                    IO.Write(psrDat[i].ToString() + c);
             else if (file.Contains("PvList"))
                 if (pvList.Length != 0)
                     for (i = 0; i < pvList.Length; i++)
                         IO.Write(UrlEncode(pvList[i].ToString() +
-                            ((i + 1 != pvList.Length) ? "," : "")));
+                            ((i + 1 != pvList.Length) ? c : "")));
                 else IO.Write("%2A%2A%2A");
              
 
@@ -143,7 +143,7 @@ namespace KKdMainLib
                      .Add(p2.WriteMP("P2")).Add(p3.WriteMP("P3"));
 
             public override string ToString() =>
-                UrlEncode(p1.ToString() + "," + p2.ToString() + "," + p3.ToString() + "," + PV_ID);
+                UrlEncode(p1.ToString() + c + p2.ToString() + c + p3.ToString() + c + PV_ID);
         }
 
         public struct Player
@@ -200,9 +200,9 @@ namespace KKdMainLib
                 .Add("Score" , Score0).Add("Name" , Name0);
 
             public override string ToString() =>
-                (Score0 + (Has2P ? ("." + Score1) : "") + "," + UrlEncode(Name0) +
-                (Has2P ? ("xxx" + UrlEncode(Name1)) : "") + "," +
-                Diff + "," + (Has2P ? "0.1" : "0")).Replace("*", "%2A");
+                (Score0 + (Has2P ? (d + Score1) : "") + c + UrlEncode(Name0) +
+                (Has2P ? ("xxx" + UrlEncode(Name1)) : "") + c +
+                Diff + c + (Has2P ? "0.1" : "0")).Replace("*", "%2A");
         }
 
         public struct PvList
@@ -277,9 +277,9 @@ namespace KKdMainLib
             }
 
             public override string ToString() =>
-                UrlEncode(PV_ID + "," + (Enable ? 1 : 0) + "," + (Extra ? 1 : 0) + "," +
-                    AdvDemoStart.ToString() + "," + AdvDemoEnd.ToString() + "," +
-                    StartShow.ToString() + "," + EndShow.ToString());
+                UrlEncode(PV_ID + c + (Enable ? 1 : 0) + c + (Extra ? 1 : 0) + c +
+                    AdvDemoStart.ToString() + c + AdvDemoEnd.ToString() + c +
+                    StartShow.ToString() + c + EndShow.ToString());
         }
 
         public struct Date
diff --git a/KKdMainLib/FARC.cs b/KKdMainLib/FARC.cs
index 4b07e7d..c42d1b9 100644
--- a/KKdMainLib/FARC.cs
+++ b/KKdMainLib/FARC.cs
@@ -1,6 +1,5 @@
 //Original: https://github.com/blueskythlikesclouds/MikuMikuLibrary/
 
-using System;
 using System.IO.Compression;
 using System.Security.Cryptography;
 using KKdMainLib.IO;
@@ -45,15 +44,13 @@ namespace KKdMainLib
         private FARC HeaderReader()
         {
             NewFARC();
-            Console.Title = "FARC Extractor - Archive: " + Path.GetFileName(FilePath);
-            if (!File.Exists(FilePath))
-            { Console.WriteLine("File {0} doesn't exist.", Path.GetFileName(FilePath)); return this; }
+            if (!File.Exists(FilePath)) return this;
 
             Stream reader = File.OpenReader(FilePath);
             DirectoryPath = Path.GetFullPath(FilePath).Replace(Path.GetExtension(FilePath), "");
             Signature = (Farc)reader.ReadInt32Endian(true);
             if (Signature != Farc.FArc && Signature != Farc.FArC && Signature != Farc.FARC)
-            { Console.WriteLine("Unknown signature"); reader.Close(); return this; }
+            { reader.Close(); return this; }
 
             int HeaderLength = reader.ReadInt32Endian(true);
             if (Signature == Farc.FARC)
@@ -157,11 +154,10 @@ namespace KKdMainLib
                             cryptoStream.Read(Files[i].Data, 0, FileSize);
                         Files[i].Data = SkipData(Files[i].Data, 0x10);
                     }
-                    else if (Files[i].Type.HasFlag(Type.ECB))
+                    else
                         using (CryptoStream cryptoStream = new CryptoStream(stream,
                             GetAes(false, null).CreateDecryptor(), CryptoStreamMode.Read))
                             cryptoStream.Read(Files[i].Data, 0, FileSize);
-                    else stream.Read(Files[i].Data, 0, FileSize);
                     Encrypted = true;
                 }
 
@@ -209,19 +205,24 @@ namespace KKdMainLib
             return SkipData;
         }
 
-        public void Pack()
+        public FARC Pack()
         {
             NewFARC();
             string[] files = Directory.GetFiles(DirectoryPath);
             Files = new FARCFile[files.Length];
-
             for (int i = 0; i < files.Length; i++)
+                Files[i] = new FARCFile { Name = Path.GetFileName(files[i]), Data = File.ReadAllBytes(files[i]) };
+            files = null;
+            return this;
+        }
+
+        public void CompressStuff()
+        {
+            for (int i = 0; i < Files.Length; i++)
             {
-                Files[i] = new FARCFile { Name = files[i] };
-                string ext = Path.GetExtension(files[i]).ToLower();
+                string ext = Path.GetExtension(Files[i].Name).ToLower();
                 if (ext == ".a3da" || ext == ".diva" || ext == ".vag") Signature = Farc.FArc;
             }
-            files = null;
 
             Stream writer = File.OpenWriter(DirectoryPath + ".farc", true);
             writer.WriteEndian((int)Signature, true);
@@ -233,7 +234,7 @@ namespace KKdMainLib
             {
                 HeaderWriter.WriteEndian((int)FARCType, true);
                 HeaderWriter.Write      (0x00);
-                HeaderWriter.WriteEndian(0x40         , true);
+                HeaderWriter.WriteEndian(0x40, true);
                 HeaderWriter.Write      (0x00);
             }
             int HeaderPartLength = Signature == Farc.FArc ? 0x09 : 0x0D;
@@ -245,14 +246,12 @@ namespace KKdMainLib
 
             int Align = writer.Position.Align(0x10) - writer.Position;
             for (int i1 = 0; i1 < Align; i1++)
-                if (Signature == Farc.FArc) writer.WriteByte(0x00);
-                else                        writer.WriteByte(0x78);
+                writer.WriteByte((byte)(Signature == Farc.FArc ? 0x00 : 0x78));
 
             for (int i = 0; i < Files.Length; i++)
                 CompressStuff(i, ref Files, ref writer);
 
-            if (Signature == Farc.FARC) writer.Position = 0x1C;
-            else                        writer.Position = 0x0C;
+            writer.Position = Signature == Farc.FARC ? 0x1C : 0x0C;
             for (int i = 0; i < Files.Length; i++)
             {
                 writer.Write(Path.GetFileName(Files[i].Name) + "\0");
@@ -267,7 +266,6 @@ namespace KKdMainLib
         private void CompressStuff(int i, ref FARCFile[] Files, ref Stream writer)
         {
             Files[i].Offset = writer.Position;
-            Files[i].Data = File.ReadAllBytes(Files[i].Name);
             Files[i].SizeUnc = Files[i].Data.Length;
             Files[i].Type = Type.None;
 
@@ -299,8 +297,7 @@ namespace KKdMainLib
             {
                 int Align = writer.Position.Align(0x20) - writer.Position;
                 for (int i1 = 0; i1 < Align; i1++)
-                    if (Signature == Farc.FArc) writer.WriteByte(0x00);
-                    else                        writer.WriteByte(0x78);
+                    writer.WriteByte((byte)(Signature == Farc.FArc ? 0x00 : 0x78));
             }
         }
 
diff --git a/KKdMainLib/IO/IOExtensions.cs b/KKdMainLib/IO/IOExtensions.cs
index b6d95bc..5af8ef2 100644
--- a/KKdMainLib/IO/IOExtensions.cs
+++ b/KKdMainLib/IO/IOExtensions.cs
@@ -43,6 +43,13 @@ namespace KKdMainLib.IO
         public static long ReadIntX(this Stream stream, bool IsBE) => stream.IsX ?
             stream.ReadInt64() : stream.ReadUInt32Endian(IsBE);
 
+        public static void WriteX(this Stream stream, long val)
+        {   if (stream.IsX) stream.Write      (     val);
+            else            stream.WriteEndian((int)val);       }
+        public static void WriteX(this Stream stream, long val, bool IsBE)
+        {   if (stream.IsX) stream.Write      (     val      );
+            else            stream.WriteEndian((int)val, IsBE); }
+
         public static byte[] ReadAtOffset(this Stream stream, long Offset = 0, long Length = 0)
         {
             byte[] arr = null;
diff --git a/KKdMainLib/IO/Stream.cs b/KKdMainLib/IO/Stream.cs
index de05ea5..d90b3ab 100644
--- a/KKdMainLib/IO/Stream.cs
+++ b/KKdMainLib/IO/Stream.cs
@@ -28,9 +28,9 @@ namespace KKdMainLib.IO
         public uint UIntOffset { get => (uint)LongOffset; set => LongOffset = value; }
         public long LongOffset;
 
-        public  int       Length { get => ( int)stream.Length; set => stream.SetLength(value); }
-        public uint   UIntLength { get => (uint)stream.Length; set => stream.SetLength(value); }
-        public long   LongLength { get =>       stream.Length; set => stream.SetLength(value); }
+        public  int       Length { get => ( int)stream.Length -     Offset; set => stream.SetLength(value +     Offset); }
+        public uint   UIntLength { get => (uint)stream.Length - UIntOffset; set => stream.SetLength(value + UIntOffset); }
+        public long   LongLength { get =>       stream.Length - LongOffset; set => stream.SetLength(value + LongOffset); }
 
         public  int     Position
         { get => ( int)stream.Position -     Offset; set => stream.Position = value +     Offset; }
diff --git a/KKdMainLib/KKdMainLib.csproj b/KKdMainLib/KKdMainLib.csproj
index 9197f23..88a6656 100644
--- a/KKdMainLib/KKdMainLib.csproj
+++ b/KKdMainLib/KKdMainLib.csproj
@@ -22,6 +22,8 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <LangVersion>7.3</LangVersion>
+    <NoWarn>IDE0044, IDE0045, IDE0046, IDE0055, IDE0059, IDE1006</NoWarn>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -33,6 +35,8 @@
     <WarningLevel>4</WarningLevel>
     <DebugSymbols>true</DebugSymbols>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <LangVersion>7.3</LangVersion>
+    <NoWarn>IDE0044, IDE0045, IDE0046, IDE0055, IDE0059, IDE1006</NoWarn>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="A3DA\A3DAExt.cs" />
diff --git a/KKdMainLib/Main.cs b/KKdMainLib/Main.cs
index a7efdcc..ece25a7 100644
--- a/KKdMainLib/Main.cs
+++ b/KKdMainLib/Main.cs
@@ -80,6 +80,7 @@ namespace KKdMainLib
                 OpenFileDialog ofd = new OpenFileDialog { InitialDirectory = Application.StartupPath,
                     Multiselect = true, Title = "Choose file(s) to open:" };
 
+                ofd.Filter = GetArgs("All;", false, "*");
                     if (filetype == "a3da") ofd.Filter = GetArgs("A3DA", "a3da", "json", "mp") +
                         GetArgs("A3DA", true, "a3da") + JSON + MsgPack;
                 else if (filetype == "bin" ) ofd.Filter = GetArgs("BIN" , "bin", "json", "mp") +
@@ -106,7 +107,6 @@ namespace KKdMainLib
                         GetArgs("STR", true, "str") + BIN + JSON + MsgPack;
                 else if (filetype == "vag" ) ofd.Filter = GetArgs("VAG", "vag", "wav") +
                         GetArgs("VAG", true, "vag") + GetArgs("WAV", true, "wav");
-                else                        ofd.Filter = GetArgs("All;", false, "*");
 
                 if (ofd.ShowDialog() == DialogResult.OK)
                     FileNames = ofd.FileNames;
@@ -122,7 +122,7 @@ namespace KKdMainLib
             return "";
         }
 
-        public static void ChooseSave(int code, string filetype,
+        public static void ChooseSave(string filetype,
             out string InitialDirectory, out string[] FileNames)
         {
             InitialDirectory = "";
@@ -179,24 +179,21 @@ namespace KKdMainLib
         }
 
         public static bool FindValue(this Dictionary<string, object> Dict,
-            ref   bool value, char Split, string args)
-        { if (Dict.FindValue(out string val, args.Split(Split)))
-                return bool.TryParse(val, out value); return false; }
+            ref   bool value, char Split, string args) =>
+            Dict.FindValue(out string val, args.Split(Split)) ? bool.TryParse(val, out value) : false;
 
         public static bool FindValue(this Dictionary<string, object> Dict,
-            ref    int value, char Split, string args)
-        { if (Dict.FindValue(out string val, args.Split(Split)))
-                return  int.TryParse(val, out value); return false; }
+            ref    int value, char Split, string args) =>
+            Dict.FindValue(out string val, args.Split(Split)) ?  int.TryParse(val, out value) : false;
 
         public static bool FindValue(this Dictionary<string, object> Dict,
-            ref double value, char Split, string args)
-        { if (Dict.FindValue(out string val, args.Split(Split)))
-                return       val.ToDouble(out value); return false; }
+            ref double value, char Split, string args) =>
+            Dict.FindValue(out string val, args.Split(Split)) ?  val.ToDouble(     out value) : false;
 
         public static bool FindValue(this Dictionary<string, object> Dict,
             ref string value, char Split, string args)
         { if (Dict.FindValue(out string val, args.Split(Split)))
-                   { value = val;      return true; } return false; }
+                           { value = val;             return true; } return false; }
 
         public static bool FindValue(this Dictionary<string, object> Dict,
             out   bool  value, string   args)
@@ -217,7 +214,7 @@ namespace KKdMainLib
             out    int? value, string   args)
         { if (Dict.FindValue(out string val, args.Split('.'  )))
             { bool Val =  int.TryParse(val, out int _value);
-                value = _value; return Val; }         value =  null;  return false; }
+                value = _value; return Val; }         value =  null; return false; }
 
         public static bool FindValue(this Dictionary<string, object> Dict,
             out double? value, string   args)
diff --git a/KKdMainLib/MathExtensions.cs b/KKdMainLib/MathExtensions.cs
index 64e4d8b..dc0fbe1 100644
--- a/KKdMainLib/MathExtensions.cs
+++ b/KKdMainLib/MathExtensions.cs
@@ -4,13 +4,11 @@ namespace KKdMainLib
 {
     public static class MathExtensions
     {
-        public static void FloorCeiling(ref double Value)
-        {   if (Value % 1 >= 0.5) Value = (long)(Value + 0.5);
-            else                  Value = (long) Value; }
+        public static void FloorCeiling( ref double Value) => 
+            Value = Value % 1 >= 0.5 ? (long)(Value + 0.5) : (long) Value;
 
-        public static long FloorCeiling(this double Value)
-        {   if (Value % 1 >= 0.5) return (long)(Value + 0.5);
-            else                  return (long) Value; }
+        public static long FloorCeiling(this double Value) =>
+                    Value % 1 >= 0.5 ? (long)(Value + 0.5) : (long) Value;
 
         public static   int Align(this   int value,   int alignement,   int divide = 1) =>
             ((value % alignement == 0) ? value : (value + alignement - value % alignement)) / divide;
diff --git a/KKdMainLib/MessagePack/IO.cs b/KKdMainLib/MessagePack/IO.cs
index 2af5140..7904196 100644
--- a/KKdMainLib/MessagePack/IO.cs
+++ b/KKdMainLib/MessagePack/IO.cs
@@ -131,7 +131,7 @@ namespace KKdMainLib.MessagePack
                 int Length = 0;
                      if (Type == Types.Str8 ) Length = _IO.ReadByte();
                 else if (Type == Types.Str16) Length = _IO.ReadInt16Endian(true);
-                else                                  Length = _IO.ReadInt32Endian(true);
+                else                          Length = _IO.ReadInt32Endian(true);
                 return _IO.ReadString(Length);
             }
             return null;
diff --git a/KKdMainLib/MessagePack/JSONIO.cs b/KKdMainLib/MessagePack/JSONIO.cs
index 5aa8b18..8cabd83 100644
--- a/KKdMainLib/MessagePack/JSONIO.cs
+++ b/KKdMainLib/MessagePack/JSONIO.cs
@@ -18,8 +18,6 @@ namespace KKdMainLib.MessagePack
 
         public MsgPack Read() => ReadValue();
 
-        private string ReadKey() => ReadString();
-
         private MsgPack ReadValue(string Key = null)
         {
             char c = _IO.SkipWhitespace().PeekCharUTF8();
diff --git a/KKdMainLib/MessagePack/MsgPack.cs b/KKdMainLib/MessagePack/MsgPack.cs
index e686f6a..4f2a529 100644
--- a/KKdMainLib/MessagePack/MsgPack.cs
+++ b/KKdMainLib/MessagePack/MsgPack.cs
@@ -8,10 +8,8 @@ namespace KKdMainLib.MessagePack
         public string Name;
         public object Object;
         
-        public         MsgPack[] Array => Object is         MsgPack[] List ?
-                List : null;
-        public KKdList<MsgPack>   List => Object is KKdList<MsgPack>  List ?
-                List : default(KKdList<MsgPack>);
+        public         MsgPack[] Array => Object is         MsgPack[] List ? List :    null;
+        public KKdList<MsgPack>   List => Object is KKdList<MsgPack>  List ? List : default;
 
         public static MsgPack New => new MsgPack { Object = KKdList<MsgPack>.New };
         public static MsgPack NewReserve(int Capacity) =>
@@ -21,8 +19,7 @@ namespace KKdMainLib.MessagePack
         { Object = KKdList<MsgPack>.New; this.Name = Name; }
 
         public MsgPack(long Count, string Name = null)
-        { if (Count > 0) { Object = new MsgPack[Count]; }
-          else             Object = null; this.Name = Name; }
+        { Object = Count > 0 ? new MsgPack[Count] : null; this.Name = Name; }
 
         public MsgPack(string Name, object Object)
         { this.Name = Name; this.Object = Object; }
@@ -30,8 +27,8 @@ namespace KKdMainLib.MessagePack
         public static MsgPack Null => new MsgPack();
 
         public MsgPack this[int index]
-        {   get { if (Object is MsgPack[] Array) return Array[index]; return default(MsgPack); }
-            set { if (Object is MsgPack[] Array) {      Array[index] = value;  Object = Array; } } }
+        {   get =>    Object is MsgPack[] Array  ? Array[index] : default;
+            set { if (Object is MsgPack[] Array) { Array[index] =   value; Object = Array; } } }
         
         public MsgPack Add(MsgPack obj)
         { if (Object is KKdList<MsgPack> List) { List.Add(obj); Object = List; } return this; }
@@ -44,7 +41,8 @@ namespace KKdMainLib.MessagePack
 
         public override string ToString() => Name ?? "" +
             (List. NotNull ? ((Name != null ? " " : "") + "Elements Count: " + List .Count ) :
-            (Array != null ? ((Name != null ? " " : "") + "Elements Count: " + Array.Length) : Object.ToString()));
+            (Array != null ? ((Name != null ? " " : "") + "Elements Count: " + Array.Length) :
+            Object.ToString()));
 
         public static explicit operator MsgPack(byte[] val) => new MsgPack(null, val);
         public static explicit operator MsgPack(string val) => new MsgPack(null, val);
@@ -232,15 +230,8 @@ namespace KKdMainLib.MessagePack
         public string    ReadString()
         {        if (Object is string  String) return          String; return null; }
 
-        public bool ElementArray(string Name, out MsgPack MsgPack)
-        {
-            if (Element(Name, out MsgPack))
-            {
-                if (MsgPack.Array == null) return false;
-                return true;
-            }
-            return false;
-        }
+        public bool ElementArray(string Name, out MsgPack MsgPack) =>
+            Element(Name, out MsgPack) ? MsgPack.Array != null : false;
 
         public bool Element(string Name, out MsgPack MsgPack)
         {
diff --git a/KKdMainLib/Mot.cs b/KKdMainLib/Mot.cs
deleted file mode 100644
index 00fb22a..0000000
--- a/KKdMainLib/Mot.cs
+++ /dev/null
@@ -1,200 +0,0 @@
-//Original: https://github.com/blueskythlikesclouds/MikuMikuLibrary/
-
-using KKdMainLib.IO;
-using KKdMainLib.Types;
-using KKdMainLib.MessagePack;
-
-namespace KKdMainLib
-{
-    public class Mot
-    {
-        private int i, i0, i1;
-        private Stream IO;
-
-        public Mot()
-        { i = i0 = i1 = 0; IO = null; }
-
-        public unsafe void MOTReader(string file, bool JSON)
-        {
-            IO = File.OpenReader(file + ".bin");
-
-            i = 0;
-            while (true)
-            {
-                if (IO.ReadInt32() == 0) break;
-                IO.ReadInt32();
-                IO.ReadInt32();
-                IO.ReadInt32();
-                i++;
-            }
-            if (i == 0) return;
-
-            int MOTCount = i;
-            MsgPack m = new MsgPack(MOTCount, "Mot");
-            MotHeader[] MMOT = new MotHeader[MOTCount];
-            for (i = 0; i < MOTCount; i++)
-            {
-                ref MotHeader Mot = ref MMOT[i];
-                IO.Position = 0x10 * i;
-                Mot.    KeySet.Offset = IO.ReadInt32();
-                Mot.KeySetTypesOffset = IO.ReadInt32();
-                Mot.     KeySetOffset = IO.ReadInt32();
-                Mot.  BoneInfo.Offset = IO.ReadInt32();
-
-                i0 = 1;
-                IO.Position = Mot.BoneInfo.Offset;
-                IO.ReadUInt16();
-                while (true) { if (IO.ReadUInt16() == 0) break; i0++; }
-
-                Mot.BoneInfo.Value = new BoneInfo[i0];
-                IO.Position = Mot.BoneInfo.Offset;
-                for (i0 = 0; i0 < Mot.BoneInfo.Value.Length; i0++)
-                    Mot.BoneInfo.Value[i0].Id = IO.ReadUInt16();
-
-                IO.Position = Mot.KeySet.Offset;
-                int info = IO.ReadUInt16();
-                Mot.HighBits = info >> 14;
-                Mot.FrameCount = IO.ReadUInt16();
-
-                Mot.KeySet.Value = new KeySet[info & 0x3FFF];
-                IO.Position = Mot.KeySetTypesOffset;
-                for (i0 = 0; i0 < Mot.KeySet.Value.Length; i0++)
-                {
-                    if (i0 % 8 == 0) i1 = IO.ReadUInt16();
-
-                    Mot.KeySet.Value[i0] = new KeySet
-                    { Type = (KeySetType)((i1 >> (i0 % 8 * 2)) & 3) };
-                }
-
-                IO.Position = Mot.KeySetOffset;
-                for (i0 = 0; i0 < Mot.KeySet.Value.Length; i0++)
-                    Mot.KeySet.Value[i0].Read(IO);
-
-                
-                m[i] = MsgPackWriter(ref MMOT[i]);
-                m[i].Write(true, file + "." + i.ToString("d2"), JSON);
-            }
-            IO.Close();
-            //for (i = 0; i < MOTCount; i++)
-            //    m[i] = MsgPackWriter(ref MMOT[i]);
-
-            m.Write(true, file, JSON);
-            MMOT = null;
-            m = new MsgPack();
-            System.GC.Collect();
-        }
-
-        public MsgPack MsgPackWriter(ref MotHeader Mot)
-        {
-            MsgPack MOT = MsgPack.NewReserve(3).Add("FrameCount", Mot.FrameCount).Add("HighBits", Mot.HighBits);
-
-            MsgPack KeySets = new MsgPack(Mot.KeySet.Value.Length, "KeySets");
-            for (i0 = 0; i0 < Mot.KeySet.Value.Length; i0++)
-            {
-                ref KeySet KeySet = ref Mot.KeySet.Value[i0];
-                if (KeySet.Type != KeySetType.None)
-                {
-                    MsgPack keySet = MsgPack.NewReserve(2).Add("T", KeySet.Type.ToString());
-
-                    if (KeySet.Type == KeySetType.Interpolated)
-                    {
-                        MsgPack Keys = new MsgPack(KeySet.Keys.Length, "K");
-                        for (i1 = 0; i1 < KeySet.Keys.Length; i1++)
-                                 if (KeySet.Keys[i1] is KeyFrameT0<ushort, float> KeyT0)
-                                Keys[i1] = MsgPack.NewReserve(1).Add("F", KeyT0.Frame);
-                            else if (KeySet.Keys[i1] is KeyFrameT1<ushort, float> KeyT1)
-                                Keys[i1] = MsgPack.NewReserve(2).Add("F", KeyT1.Frame).Add("V", KeyT1.Value);
-                            else if (KeySet.Keys[i1] is KeyFrameT2<ushort, float> KeyT2)
-                                Keys[i1] = MsgPack.NewReserve(3).Add("F", KeyT2.Frame).Add("V",
-                                    KeyT2.Value).Add("I", KeyT2.Interpolation);
-                        keySet.Add(Keys);
-                    }
-                    else if(KeySet.Type == KeySetType.Linear)
-                    {
-                        MsgPack Keys = new MsgPack(KeySet.Keys.Length, "K");
-                        for (i1 = 0; i1 < KeySet.Keys.Length; i1++)
-                                 if (KeySet.Keys[i1] is KeyFrameT0<ushort, float> KeyT0)
-                                Keys[i1] = MsgPack.NewReserve(1).Add("F", KeyT0.Frame);
-                            else if (KeySet.Keys[i1] is KeyFrameT1<ushort, float> KeyT1)
-                                Keys[i1] = MsgPack.NewReserve(2).Add("F", KeyT1.Frame).Add("V", KeyT1.Value);
-                        keySet.Add(Keys);
-                    }
-                    else if (KeySet.Type == KeySetType.Static)
-                        if (KeySet.Keys[0] is KeyFrameT1<ushort, float> Key) keySet.Add("K", Key.Value);
-
-                    KeySets[i0] = keySet;
-                }
-            }
-            MOT.Add(KeySets);
-
-            MsgPack BoneInfo = new MsgPack(Mot.BoneInfo.Value.Length, "BoneInfo");
-            for (i0 = 0; i0 < Mot.BoneInfo.Value.Length; i0++)
-                BoneInfo[i0] = (MsgPack)Mot.BoneInfo.Value[i0].Id;
-            MOT.Add(BoneInfo);
-
-            return MOT;
-        }
-
-        public struct MotHeader
-        {
-            public int      KeySetOffset;
-            public int KeySetTypesOffset;
-            public Pointer< KeySet []>  KeySet ;
-            public Pointer<BoneInfo[]> BoneInfo;
-
-            public int HighBits;
-            public int FrameCount;
-        }
-
-        public struct KeySet
-        {
-            public IKeyFrame<ushort, float>[] Keys;
-            public KeySetType Type;
-
-            public void Read(Stream IO)
-            {
-                     if (Type == KeySetType.None  ) return;
-                else if (Type == KeySetType.Static) { Keys = new IKeyFrame<ushort, float>[]
-                { new KeyFrameT1<ushort, float> { Value = IO.ReadSingle() } }; return; }
-                     
-                Keys = new IKeyFrame<ushort, float>[IO.ReadUInt16()];
-                if (Type == KeySetType.Interpolated)
-                {
-                    for (int i = 0; i < Keys.Length; i++)
-                        Keys[i] = new KeyFrameT2<ushort, float>{ Frame = IO.ReadUInt16() };
-                    IO.Align(0x4);
-                    for (int i = 0; i < Keys.Length; i++)
-                        if (Keys[i] is KeyFrameT2<ushort, float> Key)
-                        {
-                            Key.Value         = IO.ReadSingle();
-                            Key.Interpolation = IO.ReadSingle();
-                            Keys[i] = Key.Check();
-                        }
-                }
-                else
-                {
-                    for (int i = 0; i < Keys.Length; i++)
-                        Keys[i] = new KeyFrameT1<ushort, float> { Frame = IO.ReadUInt16() };
-                    IO.Align(0x4);
-                    for (int i = 0; i < Keys.Length; i++)
-                        if (Keys[i] is KeyFrameT1<ushort, float> Key)
-                        { Key.Value = IO.ReadSingle(); Keys[i] = Key; }
-                }
-            }
-        }
-
-        public enum KeySetType : byte
-        {
-            None         = 0b00,
-            Static       = 0b01,
-            Linear       = 0b10,
-            Interpolated = 0b11,
-        }
-
-        public struct BoneInfo
-        {
-            public string Name;
-            public int Id;
-        }
-    }
-}
diff --git a/KKdMainLib/PDHeader.cs b/KKdMainLib/PDHeader.cs
index a39e4f9..4a976fc 100644
--- a/KKdMainLib/PDHeader.cs
+++ b/KKdMainLib/PDHeader.cs
@@ -20,8 +20,8 @@ namespace KKdMainLib
         public static PDHead ReadHeader(this Stream stream, bool Seek)
         {
             if (Seek)
-                if (stream.Position >= 4) stream.Seek(-4, SeekOrigin.Current);
-                else                      stream.Seek( 0, 0);
+                if (stream.Position >= 4) stream.LongPosition -= 4;
+                else                      stream.LongPosition  = 0;
             return stream.ReadHeader();
         }
 
@@ -55,9 +55,9 @@ namespace KKdMainLib
             stream.Write(0x00);
         }
 
-        public static void WriteEOFC(this Stream stream, int ID)
-        { PDHead Header = new PDHead { Format = Main.Format.F2LE, ID = ID,
-            Lenght = 0x20, Signature = 0x43464F45, }; stream.Write(Header); }
+        public static void WriteEOFC(this Stream stream, int ID = 0) =>
+            stream.Write(new PDHead { Format = Main.Format.F2LE, ID = ID,
+                Lenght = 0x20, Signature = 0x43464F45, });
 
     }
 }
diff --git a/KKdMainLib/POF.cs b/KKdMainLib/POF.cs
index b621f58..c3d6b64 100644
--- a/KKdMainLib/POF.cs
+++ b/KKdMainLib/POF.cs
@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using KKdMainLib.IO;
 
 namespace KKdMainLib
@@ -69,7 +68,7 @@ namespace KKdMainLib
 
                 for (int i = 0; i < POF.Offsets.Count && i < POF.POFOffsets.Count; i++)
                     if (POF.Offsets[i] != POF.POFOffsets[i])
-                        Console.WriteLine("Not right POF{0} offset table.\n" +
+                        System.Console.WriteLine("Not right POF{0} offset table.\n" +
                             "  Expected: {1}\n  Got: {2}", POF.Type,
                             POF.Offsets[i].ToString("X8"), POF.POFOffsets[i].ToString("X8"));
             }
@@ -113,18 +112,13 @@ namespace KKdMainLib
             stream.WriteEOFC(ID);
         }
 
-        public static long ReadUInt32Endian(this Stream IO, ref POF POF) =>
-            IO.GetOffset(ref POF).ReadUInt32Endian();
+        public static long ReadUInt32Endian(this Stream IO, ref POF POF           ) =>
+            IO.GetOffset(ref POF).ReadUInt32Endian(    );
         public static long ReadUInt32Endian(this Stream IO, ref POF POF, bool IsBE) =>
             IO.GetOffset(ref POF).ReadUInt32Endian(IsBE);
-        public static long ReadInt64(this Stream IO, ref POF POF) =>
+        public static long ReadInt64       (this Stream IO, ref POF POF) =>
             IO.GetOffset(ref POF).ReadInt64();
 
-        public static long ReadIntX(this Stream IO, ref POF POF           ) =>
-            IO.IsX ? IO.ReadInt64() : IO.ReadUInt32Endian(    );
-        public static long ReadIntX(this Stream IO, ref POF POF, bool IsBE) =>
-            IO.IsX ? IO.ReadInt64() : IO.ReadUInt32Endian(IsBE);
-
         public static string ReadStringAtOffset(this Stream IO, ref POF POF, long Offset = 0, long Length = 0) =>
             IO.GetOffset(ref POF).ReadStringAtOffset(Offset, Length);
     }
diff --git a/KKdMainLib/Properties/AssemblyInfo.cs b/KKdMainLib/Properties/AssemblyInfo.cs
index 40350fb..d033257 100644
--- a/KKdMainLib/Properties/AssemblyInfo.cs
+++ b/KKdMainLib/Properties/AssemblyInfo.cs
@@ -2,7 +2,7 @@
 using System.Runtime.InteropServices;
 
 [assembly: AssemblyTitle("KKdMainLib")]
-[assembly: AssemblyDescription("")]
+[assembly: AssemblyDescription("A simple library for working with Project Diva AC/DT/F/AFT/F2/X/FT files")]
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("")]
 [assembly: AssemblyProduct("KKdMainLib")]
@@ -11,5 +11,5 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyCulture("")]
 [assembly: ComVisible(false)]
 [assembly: Guid("2BA7EFC6-91D1-8BBC-C487-06C7F36CC789")]
-[assembly: AssemblyVersion("0.4.6.1")]
-[assembly: AssemblyFileVersion("0.4.6.1")]
+[assembly: AssemblyVersion("0.4.6.2")]
+[assembly: AssemblyFileVersion("0.4.6.2")]
diff --git a/KKdMainLib/STR.cs b/KKdMainLib/STR.cs
index a0325ac..e816370 100644
--- a/KKdMainLib/STR.cs
+++ b/KKdMainLib/STR.cs
@@ -1,8 +1,6 @@
-using System;
-using System.Collections.Generic;
-using KKdMainLib.IO;
+using KKdMainLib.IO;
+using KKdMainLib.Types;
 using KKdMainLib.MessagePack;
-using MPIO = KKdMainLib.MessagePack.IO;
 
 namespace KKdMainLib
 {
@@ -112,17 +110,16 @@ namespace KKdMainLib
                     writer.GetOffset(ref POF).Write(0x00);
                     writer.WriteEndian(STRs[i].ID);
                 }
-                writer.Align(16);
+                writer.Align(0x10);
             }
             else
             {
-                for (int i = 0; i < Count; i++)
-                    writer.Write(0x00);
-                writer.Align(32);
+                for (int i = 0; i < Count; i++) writer.Write(0x00);
+                writer.Align(0x20);
             }
 
-            List<string> UsedSTR = new List<string>();
-            List<int> UsedSTRPos = new List<int>();
+            KKdList<string> UsedSTR = KKdList<string>.New;
+            KKdList<int> UsedSTRPos = KKdList<int>.New;
             int[] STRPos = new int[Count];
             for (int i1 = 0; i1 < Count; i1++)
             {
@@ -143,7 +140,7 @@ namespace KKdMainLib
             }
             if (writer.Format > Main.Format.FT)
             {
-                writer.Align(16);
+                writer.Align(0x10);
                 Offset = writer.UIntPosition;
                 writer.Position = 0x80;
             }
diff --git a/KKdMainLib/Text.cs b/KKdMainLib/Text.cs
index af7c17c..761897b 100644
--- a/KKdMainLib/Text.cs
+++ b/KKdMainLib/Text.cs
@@ -11,7 +11,5 @@ namespace KKdMainLib
         public static byte[]    ToUTF8 (this string Data ) => Encoding.UTF8 .GetBytes (Data );
         public static byte[]    ToASCII(this char[] Data ) => Encoding.ASCII.GetBytes (Data );
         public static byte[]    ToUTF8 (this char[] Data ) => Encoding.UTF8 .GetBytes (Data );
-        public static string   ToBase64(this byte[] Array) => Convert.  ToBase64String(Array);
-        public static byte[] FromBase64(this string Data ) => Convert.FromBase64String(Data );
     }
 }
diff --git a/KKdMainLib/Types/Half.cs b/KKdMainLib/Types/Half.cs
index 6da762e..9809672 100644
--- a/KKdMainLib/Types/Half.cs
+++ b/KKdMainLib/Types/Half.cs
@@ -12,18 +12,12 @@ namespace KKdMainLib.Types
 
         public static explicit operator double(Half h)
         {
-            if (h._value == 0x0000)
-                return +0;
-            else if (h._value == 0x8000)
-                return (-0);
-            else if (h._value == 0x7C00)
-                return double.PositiveInfinity;
-            else if (h._value == 0xFC00)
-                return double.NegativeInfinity;
-            else if (h._value >> 10 == 0x1F)
-                return double.NaN;
-            else if (h._value >> 10 == 0x3F)
-                return -double.NaN;
+                 if (h._value       == 0x0000) return +0;
+            else if (h._value       == 0x8000) return -0;
+            else if (h._value       == 0x7C00) return  double.PositiveInfinity;
+            else if (h._value       == 0xFC00) return  double.NegativeInfinity;
+            else if (h._value >> 10 == 0x001F) return  double.NaN;
+            else if (h._value >> 10 == 0x003F) return -double.NaN;
 
             long exponent = ((h._value >> 10) & 0x1F);
             long mantissa = (h._value & 0x3FF);
@@ -38,20 +32,13 @@ namespace KKdMainLib.Types
         public static explicit operator Half(double val)
         {
             Half h = new Half();
-            if (val == +0)
-                h._value = 0x0000;
-            else if (val == -0)
-                h._value = 0x8000;
-            else if (val == double.NaN)
-                h._value = 0x7FFF;
-            else if (val == -double.NaN)
-                h._value = 0xFFFF;
-            else if (val == double.PositiveInfinity)
-                h._value = 0x7C00;
-            else if (val == double.NegativeInfinity)
-                h._value = 0xFC00;
-            else
-                h._value = ToDouble(val);
+                 if (val == +0                      ) h._value = 0x0000;
+            else if (val == -0                      ) h._value = 0x8000;
+            else if (val ==  double.NaN             ) h._value = 0x7FFF;
+            else if (val == -double.NaN             ) h._value = 0xFFFF;
+            else if (val ==  double.PositiveInfinity) h._value = 0x7C00;
+            else if (val ==  double.NegativeInfinity) h._value = 0xFC00;
+            else                                      h._value = ToDouble(val);
             return h;
         }
 
@@ -76,10 +63,8 @@ namespace KKdMainLib.Types
                 {
                     ushort exponent_max = (ushort)Math.Ceiling(x * Pow2);
                     ushort exponent_min = (ushort)Math.Floor  (x * Pow2);
-                    ushort exponent = 0;
-                    if (Math.Abs(x - exponent_max / Pow2) > Math.Abs(x - exponent_min / Pow2))
-                         exponent = exponent_max;
-                    else exponent = exponent_min;
+                    ushort exponent = Math.Abs(x - exponent_max / Pow2) >
+                        Math.Abs(x - exponent_min / Pow2) ? exponent_max : exponent_min;
                     ushort mantissa = (ushort)(i + MaxPow - 1);
                     ushort d = (ushort)(Sign | ((mantissa & 0x001F) << 10) | (exponent & 0x03FF));
                     return d;
@@ -88,10 +73,7 @@ namespace KKdMainLib.Types
                 else              i++;
             }
 
-            if (i >= +0)
-                return 0x7C00;
-            else
-                return 0xFC00;
+            return i >= +0 ? (ushort)0x7C00 : (ushort)0xFC00;
         }
 
         public override string ToString() => ((double)this).ToString();
diff --git a/KKdMainLib/Types/IKeyFrame.cs b/KKdMainLib/Types/IKeyFrame.cs
index c55ac79..4e7bb4e 100644
--- a/KKdMainLib/Types/IKeyFrame.cs
+++ b/KKdMainLib/Types/IKeyFrame.cs
@@ -46,11 +46,8 @@
         public IKeyFrame<TKey, TVal> ToKeyFrameT3() =>
             new KeyFrameT3<TKey, TVal> { Frame = Frame, Value = Value };
 
-        public IKeyFrame<TKey, TVal> Check()
-        {
-            if (Value.Equals(default(TVal))) return ToKeyFrameT0();
-            return this;
-        }
+        public IKeyFrame<TKey, TVal> Check() =>
+            Value.Equals(default(TVal)) ? ToKeyFrameT0() : (this);
 
         public override string ToString() => ToString(true);
         public string ToString(bool Brackets) =>
@@ -129,26 +126,13 @@
             (Brackets ? "(" : "") + Main.ToString(Frame) + "," + Main.ToString(Value) + "," +
             Main.ToString(Interpolation1) + "," + Main.ToString(Interpolation2) + (Brackets ? ")" : "");
 
-        public IKeyFrame<TKey, TVal> ToKeyFrameT2(IKeyFrame<TKey, TVal>
-            Previous, out KeyFrameT2<TKey, TVal> Current)
-        {
-            if (Previous is KeyFrameT2<TKey, TVal> PreviousT2)
-                Current = new KeyFrameT2<TKey, TVal> { Frame = PreviousT2.Frame,
-                    Value = PreviousT2.Value, Interpolation = Interpolation1 };
-            else
-                Current = new KeyFrameT2<TKey, TVal> { Frame = Frame,
-                    Value = Value, Interpolation = Interpolation1 };
-            return new KeyFrameT2<TKey, TVal> { Frame = Frame,
-                Value = Value, Interpolation = Interpolation2 };
-        }
         public IKeyFrame<TKey, TVal> ToKeyFrameT2(IKeyFrame<TKey, TVal>
             Previous, out IKeyFrame<TKey, TVal> Current)
         {
-            if (Previous is KeyFrameT2<TKey, TVal> PreviousT2)
-                Current = new KeyFrameT2<TKey, TVal> { Frame = PreviousT2.Frame,
-                    Value = PreviousT2.Value, Interpolation = Interpolation1 };
-            else
-                Current = new KeyFrameT2<TKey, TVal> { Frame = Frame,
+            Current = Previous is KeyFrameT2<TKey, TVal> PreviousT2
+                ? new KeyFrameT2<TKey, TVal> { Frame = PreviousT2.Frame,
+                    Value = PreviousT2.Value, Interpolation = Interpolation1 }
+                : new KeyFrameT2<TKey, TVal> { Frame = Frame,
                     Value = Value, Interpolation = Interpolation1 };
             return new KeyFrameT2<TKey, TVal> { Frame = Frame,
                 Value = Value, Interpolation = Interpolation2 };
diff --git a/KKdMainLib/Types/KKdList.cs b/KKdMainLib/Types/KKdList.cs
index f7ada55..d800272 100644
--- a/KKdMainLib/Types/KKdList.cs
+++ b/KKdMainLib/Types/KKdList.cs
@@ -29,16 +29,16 @@ namespace KKdMainLib.Types
         {
             index = 0;
             Count = Array.Length;
-            this.array = Array;
+            array = Array;
         }
 
-        public T Current => index < Count ? array[index] : default(T);
+        public T Current => index < Count ? array[index] : default;
 
         object IEnumerator.Current => Current;
 
         public T this[int index]
-        {   get { if (array != null) return array[index]; return default(T); }
-            set { if (array != null)        array[index] = value; } }
+        {   get =>    array != null ? array[index] : default;
+            set { if (array != null)  array[index] =   value; } }
 
         public bool MoveNext()
         { if (index == (Count - 1)) { index = 0; return false; }
diff --git a/KKdMainLib/Types/Pointer.cs b/KKdMainLib/Types/Pointer.cs
index 482c6d0..d2cf456 100644
--- a/KKdMainLib/Types/Pointer.cs
+++ b/KKdMainLib/Types/Pointer.cs
@@ -15,11 +15,10 @@
         public int Offset;
         public T[] Entries;
         
+
         public T this[int index]
-        {
-            get { if (Count > 0) return Entries[index]; return default(T); }
-            set { if (Count > 0) { Entries[index] = value; } }
-        }
+        {   get =>    Count > 0 ? Entries[index] : default;
+            set { if (Count > 0)  Entries[index] =   value; } }
 
         public override string ToString() => Count < 1 ? "No Entries" :
             Count == 1 ? Entries[0].ToString() : "Count: " + Count;
diff --git a/KKdSoundLib/Extensions.cs b/KKdSoundLib/Extensions.cs
index 07f560b..291e391 100644
--- a/KKdSoundLib/Extensions.cs
+++ b/KKdSoundLib/Extensions.cs
@@ -1,5 +1,4 @@
-using System;
-using KKdMainLib;
+using KKdMainLib;
 using KKdMainLib.IO;
 
 namespace KKdSoundLib
diff --git a/KKdSoundLib/KKdSoundLib.csproj b/KKdSoundLib/KKdSoundLib.csproj
index b1e944d..4601d1c 100644
--- a/KKdSoundLib/KKdSoundLib.csproj
+++ b/KKdSoundLib/KKdSoundLib.csproj
@@ -22,6 +22,8 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <LangVersion>7.3</LangVersion>
+    <NoWarn>IDE0044, IDE0045, IDE0046, IDE0055, IDE0059, IDE1006</NoWarn>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -33,6 +35,8 @@
     <WarningLevel>4</WarningLevel>
     <DebugSymbols>true</DebugSymbols>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <LangVersion>7.3</LangVersion>
+    <NoWarn>IDE0044, IDE0045, IDE0046, IDE0055, IDE0059, IDE1006</NoWarn>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="Extensions.cs" />
diff --git a/KKdSoundLib/Properties/AssemblyInfo.cs b/KKdSoundLib/Properties/AssemblyInfo.cs
index 4265e4d..994f0f8 100644
--- a/KKdSoundLib/Properties/AssemblyInfo.cs
+++ b/KKdSoundLib/Properties/AssemblyInfo.cs
@@ -2,7 +2,7 @@
 using System.Runtime.InteropServices;
 
 [assembly: AssemblyTitle("KKdSoundLib")]
-[assembly: AssemblyDescription("")]
+[assembly: AssemblyDescription("A simple library for working with Project Diva F/AFT/F2/X/FT audio files")]
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("")]
 [assembly: AssemblyProduct("KKdSoundLib")]
diff --git a/KKdSoundLib/WAV.cs b/KKdSoundLib/WAV.cs
index ea0f633..8c7ea86 100644
--- a/KKdSoundLib/WAV.cs
+++ b/KKdSoundLib/WAV.cs
@@ -1,10 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace KKdSoundLib
+namespace KKdSoundLib
 {
     public static class WAV
     {
diff --git a/PD_Tool/PD_Tool.csproj b/PD_Tool/PD_Tool.csproj
index c2bd99c..a137fc8 100644
--- a/PD_Tool/PD_Tool.csproj
+++ b/PD_Tool/PD_Tool.csproj
@@ -22,6 +22,8 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <LangVersion>7.3</LangVersion>
+    <NoWarn>IDE0044, IDE0045, IDE0046, IDE0055, IDE0059, IDE1006</NoWarn>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -33,6 +35,8 @@
     <WarningLevel>4</WarningLevel>
     <DebugSymbols>true</DebugSymbols>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <LangVersion>7.3</LangVersion>
+    <NoWarn>IDE0044, IDE0045, IDE0046, IDE0055, IDE0059, IDE1006</NoWarn>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="classes\DataBase.cs" />
diff --git a/PD_Tool/Properties/AssemblyInfo.cs b/PD_Tool/Properties/AssemblyInfo.cs
index 0d1407e..69a2c62 100644
--- a/PD_Tool/Properties/AssemblyInfo.cs
+++ b/PD_Tool/Properties/AssemblyInfo.cs
@@ -2,7 +2,7 @@
 using System.Runtime.InteropServices;
 
 [assembly: AssemblyTitle("PD_Tool")]
-[assembly: AssemblyDescription("A simple tool for working with Project Diva A/DT/F/AFT/F2/X/FT files")]
+[assembly: AssemblyDescription("A simple tool for working with Project Diva AC/DT/F/AFT/F2/X/FT files")]
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("")]
 [assembly: AssemblyProduct("PD_Tool")]
@@ -11,5 +11,5 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyCulture("")]
 [assembly: ComVisible(false)]
 [assembly: Guid("7B5D5A3A-A6F8-4813-C97D-ACFC98F7397E")]
-[assembly: AssemblyVersion("0.4.6.1")]
-[assembly: AssemblyFileVersion("0.4.6.1")]
+[assembly: AssemblyVersion("0.4.6.2")]
+[assembly: AssemblyFileVersion("0.4.6.2")]
diff --git a/PD_Tool/classes/FARC.cs b/PD_Tool/classes/FARC.cs
index 7b8859e..a07d2cc 100644
--- a/PD_Tool/classes/FARC.cs
+++ b/PD_Tool/classes/FARC.cs
@@ -64,8 +64,7 @@ namespace PD_Tool
                     else if (type == "R") return;
                     else FARC.Signature = KKdFARC.Farc.FArC;
                     Console.Title = "FARC Creator - Directory: " + Path.GetDirectoryName(file);
-                    FARC.DirectoryPath = file;
-                    FARC.Pack();
+                    new KKdFARC(file, true).Pack();
                 }
             }
         }
diff --git a/PD_Tool/classes/Tools/A3D.cs b/PD_Tool/classes/Tools/A3D.cs
index 25fe7cb..270253a 100644
--- a/PD_Tool/classes/Tools/A3D.cs
+++ b/PD_Tool/classes/Tools/A3D.cs
@@ -15,34 +15,37 @@ namespace PD_Tool.Tools
             string filepath = "";
             string ext      = "";
 
-            bool MP = true;
+            bool MP = false;
             foreach (string file in FileNames)
-                     if (file.EndsWith(".mp"  )) { MP = false; break; }
-                else if (file.EndsWith(".json")) { MP = false; break; }
+                     if (file.EndsWith(".mp"  )) { MP = true; break; }
+                else if (file.EndsWith(".json")) { MP = true; break; }
 
             Main.Format Format = Main.Format.NULL;
-            if (!MP)
+            string format = "";
+            if (MP)
             {
                 Console.Clear();
                 Main.ConsoleDesign(true);
                 Main.ConsoleDesign("          Choose type of format to export:");
                 Main.ConsoleDesign(false);
-                Main.ConsoleDesign("1. DT   PS3");
-                Main.ConsoleDesign("2. F    PS3/PSV");
-                Main.ConsoleDesign("3. FT   PS4");
-                Main.ConsoleDesign("4. F2nd PS3/PSV");
-                Main.ConsoleDesign("5. MGF      PSV");
-                Main.ConsoleDesign("6. X    PS4/PSV");
+                Main.ConsoleDesign("1. A3DA [DT/AC/F]");
+                Main.ConsoleDesign("2. A3DC [DT/AC/F]");
+                Main.ConsoleDesign("3. A3DA [AFT/FT] ");
+                Main.ConsoleDesign("4. A3DC [AFT/FT] ");
+                Main.ConsoleDesign("5. A3DC [F2]     ");
+                Main.ConsoleDesign("6. A3DC [MGF]    ");
+                Main.ConsoleDesign("7. A3DC [X]      ");
                 Main.ConsoleDesign(false);
                 Main.ConsoleDesign(true);
                 Console.WriteLine();
-                string format = Console.ReadLine();
+                format = Console.ReadLine();
                      if (format == "1") Format = Main.Format.DT  ;
                 else if (format == "2") Format = Main.Format.F   ;
                 else if (format == "3") Format = Main.Format.FT  ;
-                else if (format == "4") Format = Main.Format.F2LE;
-                else if (format == "5") Format = Main.Format.MGF ;
-                else if (format == "6") Format = Main.Format.X   ;
+                else if (format == "4") Format = Main.Format.FT  ;
+                else if (format == "5") Format = Main.Format.F2LE;
+                else if (format == "6") Format = Main.Format.MGF ;
+                else if (format == "7") Format = Main.Format.X   ;
                 else return;
             }
 
@@ -64,14 +67,11 @@ namespace PD_Tool.Tools
                 {
                     A.MsgPackReader(filepath, ext == ".json");
                     A.IO = File.OpenWriter(filepath + ".a3da", true);
-                    if (A.Data.Header.Format >= Main.Format.F2LE)
-                        A.Data._.CompressF16 = Format == Main.Format.MGF ? 2 : 1;
+                    A.Data._.CompressF16 = A.Data.Header.Format > Main.Format.FT ? Format == Main.Format.MGF ? 2 : 1 : 0;
                     A.Data.Header.Format = Format;
 
-                    if (A.Data.Header.Format > Main.Format.DT && A.Data.Header.Format != Main.Format.FT)
-                        A.A3DCWriter(filepath);
-                    else
-                        A.A3DAWriter();
+                    if (format != "1" && format != "3") A.A3DCWriter(filepath);
+                    else                                A.A3DAWriter();
                 }
                 A = null;
             }
diff --git a/PD_Tool/classes/Tools/MOT.cs b/PD_Tool/classes/Tools/MOT.cs
new file mode 100644
index 0000000..2ef63a5
--- /dev/null
+++ b/PD_Tool/classes/Tools/MOT.cs
@@ -0,0 +1,37 @@
+using System;
+using KKdMainLib;
+using KKdMainLib.IO;
+using KKdMot = KKdMainLib.Mot;
+
+namespace PD_Tool.Tools
+{
+    public class MOT
+    {
+        public static void Processor(bool JSON)
+        {
+            Console.Title = "MOT Converter";
+            KKdMot Mot;
+            Main.Choose(1, "bin", out string[] FileNames);
+            if (FileNames.Length < 1) return;
+            string filepath = "";
+            string ext = "";
+            
+            foreach (string file in FileNames)
+            {
+                Mot = new KKdMot();
+                ext = Path.GetExtension(file);
+                filepath = file.Replace(ext, "");
+                ext = ext.ToLower();
+
+                Console.Title = "MOT Converter: " + Path.GetFileNameWithoutExtension(file);
+                if (ext == ".bin") Mot.MOTReader(filepath, JSON);
+                else if (ext == ".mp" || ext == ".json")
+                {
+                    //Mot.MsgPackReader(filepath, ext == ".json");
+                    //Mot.    AETWriter(filepath);
+                }
+                Mot = new KKdMot();
+            }
+        }
+    }
+}