diff --git a/retail/arm9/include/configuration.h b/retail/arm9/include/configuration.h
index 66318acc6..5e7258cd1 100644
--- a/retail/arm9/include/configuration.h
+++ b/retail/arm9/include/configuration.h
@@ -37,8 +37,8 @@ typedef struct configuration {
 	u32 apPatchSize;
 	u32 cheatSize;
 	u32 musicsSize;
-	u32 dataToPreloadAddr[2];
-	u32 dataToPreloadSize[2];
+	u32 dataToPreloadAddr[3];
+	u32 dataToPreloadSize[3];
 	// u32 dataToPreloadFrame;
 	u8 language;
 	char* guiLanguage;
diff --git a/retail/arm9/source/conf_sd.cpp b/retail/arm9/source/conf_sd.cpp
index 78ca133ef..9617c9488 100644
--- a/retail/arm9/source/conf_sd.cpp
+++ b/retail/arm9/source/conf_sd.cpp
@@ -196,8 +196,8 @@ static void loadPreLoadSettings(configuration* conf, const char* pckPath, const
 		}
 
 		if (offset > 0) {
-			if (size > 0x10) {
-				size = 0x10;
+			if (size > 0x18) {
+				size = 0x18;
 			}
 			fseek(file, offset, SEEK_SET);
 			u32 *buffer = new u32[size/4];
diff --git a/retail/arm9/source/nds_loader_arm9.c b/retail/arm9/source/nds_loader_arm9.c
index 78f26f98b..e234c9afd 100644
--- a/retail/arm9/source/nds_loader_arm9.c
+++ b/retail/arm9/source/nds_loader_arm9.c
@@ -270,10 +270,10 @@ int runNds(u32 cluster, u32 saveCluster, u32 donorTwlCluster, /* u32 gbaCluster,
 	loader->saveSize                    = conf->saveSize;
 	// loader->gbaRomSize                  = conf->gbaRomSize;
 	// loader->gbaSaveSize                 = conf->gbaSaveSize;
-	loader->dataToPreloadAddr[0]        = conf->dataToPreloadAddr[0];
-	loader->dataToPreloadSize[0]        = conf->dataToPreloadSize[0];
-	loader->dataToPreloadAddr[1]        = conf->dataToPreloadAddr[1];
-	loader->dataToPreloadSize[1]        = conf->dataToPreloadSize[1];
+	for (int i = 0; i < 3; i++) {
+		loader->dataToPreloadAddr[i]    = conf->dataToPreloadAddr[i];
+		loader->dataToPreloadSize[i]    = conf->dataToPreloadSize[i];
+	}
 	loader->wideCheatFileCluster        = wideCheatCluster;
 	loader->wideCheatSize               = conf->wideCheatSize;
 	loader->apPatchFileCluster          = apPatchCluster;
diff --git a/retail/bootloader/source/arm7/load_crt0.s b/retail/bootloader/source/arm7/load_crt0.s
index 11b7c43d2..97c3a428c 100644
--- a/retail/bootloader/source/arm7/load_crt0.s
+++ b/retail/bootloader/source/arm7/load_crt0.s
@@ -123,9 +123,11 @@ saveSize:
 dataToPreloadAddr:
 	.word	0x00000000
 	.word	0x00000000
+	.word	0x00000000
 dataToPreloadSize:
 	.word	0x00000000
 	.word	0x00000000
+	.word	0x00000000
 @dataToPreloadFrame:
 @	.word	0x00000000
 wideCheatFileCluster:
diff --git a/retail/bootloaderi/source/arm7/hook_arm9.c b/retail/bootloaderi/source/arm7/hook_arm9.c
index 39fe4306c..2d272e48b 100644
--- a/retail/bootloaderi/source/arm7/hook_arm9.c
+++ b/retail/bootloaderi/source/arm7/hook_arm9.c
@@ -213,8 +213,8 @@ int hookNdsRetailArm9(
 	extern u32 baseFatOff;
 	extern u32 baseFatSize;
 	extern u32 romPaddingSize;
-	extern u32 dataToPreloadAddr[2];
-	extern u32 dataToPreloadSize[2];
+	extern u32 dataToPreloadAddr[3];
+	extern u32 dataToPreloadSize[3];
 	// extern u32 dataToPreloadFrame;
 	extern bool romLocationAdjust(const tNDSHeader* ndsHeader, const bool laterSdk, const bool isSdk5, const bool dsiBios, u32* romLocation);
 	extern u32 dataToPreloadFullSize(void);
@@ -343,7 +343,7 @@ int hookNdsRetailArm9(
 				romLocationAdjust(ndsHeader, laterSdk, (ce9->valueBits & b_isSdk5), (ce9->valueBits & b_dsiBios), &ce9->cacheAddress);
 				ce9->cacheSlots--;
 			}
-			for (int i = 0; i < 2; i++) {
+			for (int i = 0; i < 3; i++) {
 				ce9->romPartSrc[i] = dataToPreloadAddr[i];
 				ce9->romPartSize[i] = dataToPreloadSize[i];
 			}
diff --git a/retail/bootloaderi/source/arm7/load_crt0.s b/retail/bootloaderi/source/arm7/load_crt0.s
index 11b7c43d2..97c3a428c 100644
--- a/retail/bootloaderi/source/arm7/load_crt0.s
+++ b/retail/bootloaderi/source/arm7/load_crt0.s
@@ -123,9 +123,11 @@ saveSize:
 dataToPreloadAddr:
 	.word	0x00000000
 	.word	0x00000000
+	.word	0x00000000
 dataToPreloadSize:
 	.word	0x00000000
 	.word	0x00000000
+	.word	0x00000000
 @dataToPreloadFrame:
 @	.word	0x00000000
 wideCheatFileCluster:
diff --git a/retail/bootloaderi/source/arm7/main.arm7.c b/retail/bootloaderi/source/arm7/main.arm7.c
index cf63832ae..8595b8ffe 100644
--- a/retail/bootloaderi/source/arm7/main.arm7.c
+++ b/retail/bootloaderi/source/arm7/main.arm7.c
@@ -105,8 +105,8 @@ extern u32 romSize;
 extern u32 saveSize;
 // extern u32 gbaRomSize;
 // extern u32 gbaSaveSize;
-extern u32 dataToPreloadAddr[2];
-extern u32 dataToPreloadSize[2];
+extern u32 dataToPreloadAddr[3];
+extern u32 dataToPreloadSize[3];
 // extern u32 dataToPreloadFrame;
 extern u32 wideCheatFileCluster;
 extern u32 wideCheatSize;
@@ -1019,15 +1019,15 @@ static void my_readUserSettings(tNDSHeader* ndsHeader) {
 }
 
 u32 dataToPreloadFullSize(void) {
-	u32 dataToPreloadSizeAlign[2] = {dataToPreloadSize[0], dataToPreloadSize[1]};
-	for (int i = 0; i < 2; i++) {
+	u32 dataToPreloadSizeAlign[3] = {dataToPreloadSize[0], dataToPreloadSize[1], dataToPreloadSize[2]};
+	for (int i = 0; i < 3; i++) {
 		if (!dataToPreloadSize[i]) break;
 		while ((dataToPreloadSizeAlign[i] % 0x4000) != 0) {
 			dataToPreloadSizeAlign[i]++;
 		}
 	}
 
-	return dataToPreloadSizeAlign[0] + dataToPreloadSizeAlign[1];
+	return dataToPreloadSizeAlign[0] + dataToPreloadSizeAlign[1] + dataToPreloadSizeAlign[2];
 }
 
 bool dataToPreloadFound(const tNDSHeader* ndsHeader) {
@@ -1174,8 +1174,8 @@ static void buildRomMap(const tNDSHeader* ndsHeader, const module_params_t* modu
 	// Load ROM into RAM
 	const u32 romLocation = ROMinRAM ? getRomLocation(ndsHeader, !laterSdk, isSdk5(moduleParams), dsiBios) : getRomPartLocation(ndsHeader, !laterSdk, isSdk5(moduleParams), dsiBios);
 
-	u32 romOffset[2] = {(ROMinRAM ? 0 : dataToPreloadAddr[0]), (ROMinRAM ? 0 : dataToPreloadAddr[1])};
-	s32 romSizeEdit[2] = {(ROMinRAM ? baseRomSize : dataToPreloadSize[0]), (ROMinRAM ? baseRomSize : dataToPreloadSize[1])};
+	u32 romOffset[3] = {(ROMinRAM ? 0 : dataToPreloadAddr[0]), (ROMinRAM ? 0 : dataToPreloadAddr[1]), (ROMinRAM ? 0 : dataToPreloadAddr[2])};
+	s32 romSizeEdit[3] = {(ROMinRAM ? baseRomSize : dataToPreloadSize[0]), (ROMinRAM ? baseRomSize : dataToPreloadSize[1]), (ROMinRAM ? baseRomSize : dataToPreloadSize[2])};
 	int iCount = 1;
 	if (ROMinRAM) {
 		if (usesCloneboot) {
@@ -1206,6 +1206,9 @@ static void buildRomMap(const tNDSHeader* ndsHeader, const module_params_t* modu
 		if (dataToPreloadSize[1]) {
 			iCount++;
 		}
+		if (dataToPreloadSize[2]) {
+			iCount++;
+		}
 	}
 
 	/* dbg_printf("romOffset[0]: ");
diff --git a/retail/cardenginei/arm9/source/cardDma.thumb.c b/retail/cardenginei/arm9/source/cardDma.thumb.c
index 9431315c3..23d56520d 100644
--- a/retail/cardenginei/arm9/source/cardDma.thumb.c
+++ b/retail/cardenginei/arm9/source/cardDma.thumb.c
@@ -383,7 +383,7 @@ void cardSetDma(u32 * params) {
 	//int romPartNo = 0;
 	if (!(ce9->valueBits & ROMinRAM)) {
 		#ifndef TWLSDK
-		for (int i = 0; i < 2; i++) {
+		for (int i = 0; i < 3; i++) {
 			if (ce9->romPartSize[i] == 0) {
 				break;
 			}
diff --git a/retail/cardenginei/arm9/source/card_engine_header.s b/retail/cardenginei/arm9/source/card_engine_header.s
index 344ea3d6b..42878b184 100644
--- a/retail/cardenginei/arm9/source/card_engine_header.s
+++ b/retail/cardenginei/arm9/source/card_engine_header.s
@@ -65,9 +65,11 @@ cacheBlockSize:
 romPartSrc:
 	.word	0x00000000
 	.word	0x00000000
+	.word	0x00000000
 romPartSize:
 	.word	0x00000000
 	.word	0x00000000
+	.word	0x00000000
 #ifndef TWLSDK
 romMapLines:
 	.word	0x00000000
diff --git a/retail/cardenginei/arm9/source/cardengine.c b/retail/cardenginei/arm9/source/cardengine.c
index 19503fb9a..5b7ed29aa 100644
--- a/retail/cardenginei/arm9/source/cardengine.c
+++ b/retail/cardenginei/arm9/source/cardengine.c
@@ -837,7 +837,7 @@ void cardRead(u32* cacheStruct, u8* dst0, u32 src0, u32 len0) {
 	//int romPartNo = 0;
 	if (!(ce9->valueBits & ROMinRAM)) {
 		#ifndef TWLSDK
-		for (int i = 0; i < 2; i++) {
+		for (int i = 0; i < 3; i++) {
 			if (ce9->romPartSize[i] == 0) {
 				break;
 			}
diff --git a/retail/common/include/cardengine_header_arm9.h b/retail/common/include/cardengine_header_arm9.h
index 88b91cb5c..3844e17a1 100644
--- a/retail/common/include/cardengine_header_arm9.h
+++ b/retail/common/include/cardengine_header_arm9.h
@@ -121,8 +121,8 @@ typedef struct cardengineArm9 {
 	u32 cacheAddress;
 	u16 cacheSlots;
 	u16 cacheBlockSize;
-	u32 romPartSrc[2];
-	u32 romPartSize[2];
+	u32 romPartSrc[3];
+	u32 romPartSize[3];
 	u32 romMapLines;
 	u32 romMap[8][3]; // 0: ROM part start, 1: ROM part start in RAM, 2: ROM part end in RAM
 } cardengineArm9;
diff --git a/retail/common/include/load_crt0.h b/retail/common/include/load_crt0.h
index a4cfa0731..e79a67253 100644
--- a/retail/common/include/load_crt0.h
+++ b/retail/common/include/load_crt0.h
@@ -26,8 +26,8 @@ typedef struct loadCrt0 {
     u32 saveSize;
     // u32 gbaRomSize;
     // u32 gbaSaveSize;
-	u32 dataToPreloadAddr[2];
-	u32 dataToPreloadSize[2];
+	u32 dataToPreloadAddr[3];
+	u32 dataToPreloadSize[3];
 	// u32 dataToPreloadFrame;
     u32 wideCheatFileCluster;
     u32 wideCheatSize;
diff --git a/retail/preLoadSettings/Title list.txt b/retail/preLoadSettings/Title list.txt
index bd6696b0e..9c8afc57c 100644
--- a/retail/preLoadSettings/Title list.txt	
+++ b/retail/preLoadSettings/Title list.txt	
@@ -112,6 +112,9 @@ Super Mario 64 DS (Europe) (ASMP) (DSi)
 Super Mario 64 DS (Japan) (ASMJ) (DSi)
 Super Mario 64 DS (Korea) (ASMK) (DSi)
 Shenyou Maliou DS (China) (ASMC) (DSi)
+Tomodachi Collection (Japan) (CCUJ) (DSi/3DS)
+Tomodachi Collection (Japan) (Rev 1) (CCUJ) (DSi/3DS)
+Tomodachi Collection (English translation) (CCUJ-8554) (DSi/3DS)
 TrackMania DS (USA) (CTRE) (3DS)
 TrackMania DS (Europe) (CTRP) (3DS)
 TrackMania Turbo (USA) (B2TE) (3DS)
@@ -219,5 +222,9 @@ Style Savvy (DSi/3DS):
 Super Mario 64 DS (DSi):
 - Everything except the level data
 
+Tomodachi Collection (DSi/3DS):
+- DSi: Most commonly used data: Cmn, Mdl, and Msg data
+- 3DS: All commonly used data: Cmn, Mdl, Msg, Scn, and sound data (latter excluding credits music)
+
 Yoshi Touch & Go (DSi):
 - Everything except the `area` folder
diff --git a/retail/preLoadSettings/files-3ds/CCUJ-61DC.bin b/retail/preLoadSettings/files-3ds/CCUJ-61DC.bin
new file mode 100644
index 000000000..5ce2e1bbe
Binary files /dev/null and b/retail/preLoadSettings/files-3ds/CCUJ-61DC.bin differ
diff --git a/retail/preLoadSettings/files-3ds/CCUJ-8554.bin b/retail/preLoadSettings/files-3ds/CCUJ-8554.bin
new file mode 100644
index 000000000..47cf09313
Binary files /dev/null and b/retail/preLoadSettings/files-3ds/CCUJ-8554.bin differ
diff --git a/retail/preLoadSettings/files-3ds/CCUJ-9B26.bin b/retail/preLoadSettings/files-3ds/CCUJ-9B26.bin
new file mode 100644
index 000000000..47cf09313
Binary files /dev/null and b/retail/preLoadSettings/files-3ds/CCUJ-9B26.bin differ
diff --git a/retail/preLoadSettings/files-dsi/CCUJ-61DC.bin b/retail/preLoadSettings/files-dsi/CCUJ-61DC.bin
new file mode 100644
index 000000000..6d7d4ed62
Binary files /dev/null and b/retail/preLoadSettings/files-dsi/CCUJ-61DC.bin differ
diff --git a/retail/preLoadSettings/files-dsi/CCUJ-8554.bin b/retail/preLoadSettings/files-dsi/CCUJ-8554.bin
new file mode 100644
index 000000000..d85dcb0eb
Binary files /dev/null and b/retail/preLoadSettings/files-dsi/CCUJ-8554.bin differ
diff --git a/retail/preLoadSettings/files-dsi/CCUJ-9B26.bin b/retail/preLoadSettings/files-dsi/CCUJ-9B26.bin
new file mode 100644
index 000000000..d85dcb0eb
Binary files /dev/null and b/retail/preLoadSettings/files-dsi/CCUJ-9B26.bin differ