diff --git a/game_compatibility.md b/game_compatibility.md
index d8ee7a4..452deac 100644
--- a/game_compatibility.md
+++ b/game_compatibility.md
@@ -78,6 +78,7 @@ issues, please let me know or open a pull request to update this table.
 | ランス・クエスト マグナム                               | Supported   |       |
 | 母娘乱館                                                | Unknown     |       |
 | パステルチャイム3 バインドシーカー                      | Supported   |       |
+| パスチャ3 プラスコンテンツ                              | Supported   |       |
 | どらぺこ！ ～おねだりドラゴンとおっぱい勇者～           | Unsupported |       |
 | ランス01 光をもとめて                                   | Supported   |       |
 | Rance 01 - Quest for Hikari (EN)                        | Supported   |       |
diff --git a/src/hll/PartsEngine.c b/src/hll/PartsEngine.c
index 11139d7..9041fe9 100644
--- a/src/hll/PartsEngine.c
+++ b/src/hll/PartsEngine.c
@@ -36,6 +36,11 @@ static void PartsEngine_Update(int passed_time, bool is_skip, bool message_windo
 	PE_Update(passed_time, message_window_show);
 }
 
+static void PartsEngine_Update_Pascha3PC(struct string *xxx1, struct string *xxx2, int passed_time, bool is_skip, bool message_window_show)
+{
+	PE_Update(passed_time, message_window_show);
+}
+
 // Oyako Rankan
 static bool PartsEngine_AddDrawCutCGToPartsConstructionProcess_old(int parts_no,
 		struct string *cg_name, int dx, int dy, int sx, int sy, int w, int h,
@@ -246,4 +251,9 @@ static void PartsEngine_PreLink(void)
 		static_library_replace(&lib_PartsEngine, "AddCopyCutCGToPartsConstructionProcess",
 				PE_AddCopyCutCGToPartsConstructionProcess);
 	}
+	fun = get_fun(libno, "Update");
+	if (fun && fun->nr_arguments == 5) {
+		static_library_replace(&lib_PartsEngine, "Update",
+				PartsEngine_Update_Pascha3PC);
+	}
 }
diff --git a/src/hll/SystemService.c b/src/hll/SystemService.c
index ed2b90d..03b51bb 100644
--- a/src/hll/SystemService.c
+++ b/src/hll/SystemService.c
@@ -374,30 +374,40 @@ static void SystemService_RestrainScreensaver(void) { }
 
 //static int SystemService_Debug_GetUseVideoMemorySize(void);
 
+// Rance 01
 static void SystemService_Rance0123456789(struct string **text)
 {
-	*text = cstr_to_string("-RANCE010ECNAR-"); // ???
+	*text = cstr_to_string("-RANCE010ECNAR-");
 }
 
+// Rance 01 trial edition
 static void SystemService_XXXXX01XXXXXXXX(struct string **text)
 {
 	*text = cstr_to_string("RANCE01RANCEKAKKOII");
 }
 
+// Drapeko
 static void SystemService_Test(struct string **text)
 {
 	*text = cstr_to_string("DELETE ALL 758490275489207548093");
 }
 
+// Drapeko trial edition
 static void SystemService_DRPKT(struct string **text)
 {
 	*text = cstr_to_string("DRPKT QWERTY NUFUAUEO 75849027582754829");
 }
 
+// Rance 9
 static void SystemService_Rance96161988(struct string **text) {
 	*text = cstr_to_string("=Rance99/RANCE99=");
 }
 
+// Pascha3 Plus Contents
+static void SystemService_XXX(struct string **text) {
+	*text = cstr_to_string("FORMAT HDD ERASE 578205024758284076520478254092784789752384758204687293");
+}
+
 static void SystemService_PreLink(void);
 
 static void SystemService_ModuleInit(void)
@@ -449,6 +459,7 @@ HLL_LIBRARY(SystemService,
 	    HLL_TODO_EXPORT(Debug_GetUseVideoMemorySize, SystemService_Debug_GetUseVideoMemorySize),
 	    HLL_EXPORT(Rance0123456789, SystemService_Rance0123456789),
 	    HLL_EXPORT(XXXXX01XXXXXXXX, SystemService_XXXXX01XXXXXXXX),
+	    HLL_EXPORT(XXX, SystemService_XXX),
 	    HLL_EXPORT(Test, SystemService_Test),
 	    HLL_EXPORT(DRPKT, SystemService_DRPKT),
 	    HLL_EXPORT(Rance96161988, SystemService_Rance96161988)