diff --git a/src/CRE/auth_3d.cpp b/src/CRE/auth_3d.cpp
index 80a38c5a..62a97831 100644
--- a/src/CRE/auth_3d.cpp
+++ b/src/CRE/auth_3d.cpp
@@ -388,7 +388,7 @@ void auth_3d::ctrl(render_context* rctx) {
         if (field_C && v40 != field_C)
             for (a3d::EventAdapter*& i : event_adapter) {
                 auth_3d_id id = get_id();
-                i->Field_10(id);
+                i->OnCtrl(id);
             }
 
         if (set || !repeat || last_frame > frame)
@@ -396,7 +396,7 @@ void auth_3d::ctrl(render_context* rctx) {
 
         for (a3d::EventAdapter*& i : event_adapter) {
             auth_3d_id id = get_id();
-            i->Field_28(id);
+            i->OnRepeat(id);
         }
 
         req_frame = frame - last_frame + frame_offset;
@@ -406,7 +406,7 @@ void auth_3d::ctrl(render_context* rctx) {
 
     for (a3d::EventAdapter*& i : event_adapter) {
         auth_3d_id id = get_id();
-        i->Field_20(id);
+        i->OnPostCtrl(id);
     }
 
     bool ended = play_control.size <= frame;
@@ -417,7 +417,7 @@ void auth_3d::ctrl(render_context* rctx) {
 
         for (a3d::EventAdapter*& i : event_adapter) {
             auth_3d_id id = get_id();
-            i->Field_18(id);
+            i->OnEnded(id);
         }
     }
     this->ended = ended;
@@ -745,7 +745,7 @@ void auth_3d::parse() {
 
                     for (a3d::EventAdapter*& i : event_adapter) {
                         auth_3d_id id = get_id();
-                        i->Field_8(id);
+                        i->OnLoad(id);
                     }
 
                     frame = 0.0f;
@@ -786,7 +786,7 @@ void auth_3d::parse() {
 
                 for (a3d::EventAdapter*& i : event_adapter) {
                     auth_3d_id id = get_id();
-                    i->Field_8(id);
+                    i->OnLoad(id);
                 }
 
                 frame = 0.0f;
@@ -1053,23 +1053,23 @@ namespace a3d {
 
     }
 
-    void EventAdapter::Field_8(::auth_3d_id& id) {
+    void EventAdapter::OnLoad(::auth_3d_id& id) {
 
     }
 
-    void EventAdapter::Field_10(::auth_3d_id& id) {
+    void EventAdapter::OnCtrl(::auth_3d_id& id) {
 
     }
 
-    void EventAdapter::Field_18(::auth_3d_id& id) {
+    void EventAdapter::OnEnded(::auth_3d_id& id) {
 
     }
 
-    void EventAdapter::Field_20(::auth_3d_id& id) {
+    void EventAdapter::OnPostCtrl(::auth_3d_id& id) {
 
     }
 
-    void EventAdapter::Field_28(::auth_3d_id& id) {
+    void EventAdapter::OnRepeat(::auth_3d_id& id) {
 
     }
 }
diff --git a/src/CRE/auth_3d.hpp b/src/CRE/auth_3d.hpp
index 90ebf9d3..e673f6a6 100644
--- a/src/CRE/auth_3d.hpp
+++ b/src/CRE/auth_3d.hpp
@@ -179,11 +179,11 @@ namespace a3d {
         EventListener();
         virtual ~EventListener();
 
-        virtual void Field_8(auth_3d_id& id) = 0;
-        virtual void Field_10(auth_3d_id& id) = 0;
-        virtual void Field_18(auth_3d_id& id) = 0;
-        virtual void Field_20(auth_3d_id& id) = 0;
-        virtual void Field_28(auth_3d_id& id) = 0;
+        virtual void OnLoad(auth_3d_id& id) = 0;
+        virtual void OnCtrl(auth_3d_id& id) = 0;
+        virtual void OnEnded(auth_3d_id& id) = 0;
+        virtual void OnPostCtrl(auth_3d_id& id) = 0;
+        virtual void OnRepeat(auth_3d_id& id) = 0;
     };
 
     class EventAdapter : public EventListener {
@@ -191,11 +191,11 @@ namespace a3d {
         EventAdapter();
         virtual ~EventAdapter() override;
 
-        virtual void Field_8(auth_3d_id& id) override;
-        virtual void Field_10(auth_3d_id& id) override;
-        virtual void Field_18(auth_3d_id& id) override;
-        virtual void Field_20(auth_3d_id& id) override;
-        virtual void Field_28(auth_3d_id& id) override;
+        virtual void OnLoad(auth_3d_id& id) override;
+        virtual void OnCtrl(auth_3d_id& id) override;
+        virtual void OnEnded(auth_3d_id& id) override;
+        virtual void OnPostCtrl(auth_3d_id& id) override;
+        virtual void OnRepeat(auth_3d_id& id) override;
     };
 }
 
diff --git a/src/ReDIVA/data_test/auth_3d_test.cpp b/src/ReDIVA/data_test/auth_3d_test.cpp
index 08ffb84e..5dbf3b70 100644
--- a/src/ReDIVA/data_test/auth_3d_test.cpp
+++ b/src/ReDIVA/data_test/auth_3d_test.cpp
@@ -490,7 +490,7 @@ Auth3dTestTask::DataEventListener::~DataEventListener() {
 
 }
 
-void Auth3dTestTask::DataEventListener::Field_8(::auth_3d_id& id) {
+void Auth3dTestTask::DataEventListener::OnLoad(::auth_3d_id& id) {
     size_t chara_count = id.get_chara_count();
     if (chara_count)
     {
@@ -518,7 +518,7 @@ void Auth3dTestTask::DataEventListener::Field_8(::auth_3d_id& id) {
     auth_3d_test_window->SetMaxFrame(id.get_play_control_size());
 }
 
-void Auth3dTestTask::DataEventListener::Field_20(::auth_3d_id& id) {
+void Auth3dTestTask::DataEventListener::OnPostCtrl(::auth_3d_id& id) {
     if (auth_3d_test_task->aet.id != -1) {
         auth_3d_test_task->aet.Free();
         auth_3d_test_task->aet.Init();
diff --git a/src/ReDIVA/data_test/auth_3d_test.hpp b/src/ReDIVA/data_test/auth_3d_test.hpp
index 99f44096..893dc169 100644
--- a/src/ReDIVA/data_test/auth_3d_test.hpp
+++ b/src/ReDIVA/data_test/auth_3d_test.hpp
@@ -45,8 +45,8 @@ public:
         DataEventListener();
         virtual ~DataEventListener() override;
 
-        virtual void Field_8(::auth_3d_id& id) override;
-        virtual void Field_20(::auth_3d_id& id) override;
+        virtual void OnLoad(::auth_3d_id& id) override;
+        virtual void OnPostCtrl(::auth_3d_id& id) override;
     } data_event_listener;
 
     int32_t field_1C0;