diff --git a/trunk/ConsoleDataMigration/ConsoleBackup/Controller.cpp b/trunk/ConsoleDataMigration/ConsoleBackup/Controller.cpp
index 16ab9a1..54ee8c4 100644
--- a/trunk/ConsoleDataMigration/ConsoleBackup/Controller.cpp
+++ b/trunk/ConsoleDataMigration/ConsoleBackup/Controller.cpp
@@ -31,7 +31,9 @@ namespace
 typedef enum BackupState
 {
     STARTUP, // 初期値
-    IN_PROGRESS, // 吸出し中
+    EXPORT_TWL_SOUND, // TWLサウンド領域の吸出し中
+    EXPORT_TWL_PHOTO, // TWL写真領域の吸出し中
+    EXPORT_CTR_NAND, // 吸出し中
     DONE, // 吸出し完了
     FINISHED, // SDカード抜き完了
     FAIL // 失敗
@@ -132,14 +134,54 @@ void ControlState(::std::vector<std::string>& operationMessage, bool& nextStep,
         if (nextStep && !error)
         {
             COMMON_LOGGER("Start Export Data\n");
-            s_BackupState = IN_PROGRESS;
+            s_BackupState = EXPORT_TWL_SOUND;
             common::PlaySound(common::SOUND_CURSOR);
         }
     }
     break;
 
+    // TWLサウンド領域の吸出し中
+    case EXPORT_TWL_SOUND:
+    {
+        static bool init = true;
+        if(init)
+        {
+            // データを書き込む
+            ExportTwlSoundData();
+            init = false;
+        }
+
+        // 処理が完了した
+        if (IsExportFinished())
+        {
+            FinalizeExportThread();
+            s_BackupState = EXPORT_TWL_PHOTO;
+        }
+    }
+    break;
+
+    // TWL写真領域の吸出し中
+    case EXPORT_TWL_PHOTO:
+    {
+        static bool init = true;
+        if(init)
+        {
+            // データを書き込む
+            ExportTwlPhotoData();
+            init = false;
+        }
+
+        // 処理が完了した
+        if (IsExportFinished())
+        {
+            FinalizeExportThread();
+            s_BackupState = EXPORT_CTR_NAND;
+        }
+    }
+    break;
+
     // 吸出し中
-    case IN_PROGRESS:
+    case EXPORT_CTR_NAND:
     {
         continueBackup = true;
 
@@ -208,7 +250,7 @@ void ControlState(::std::vector<std::string>& operationMessage, bool& nextStep,
 
 bool InProgress()
 {
-    return s_BackupState == IN_PROGRESS;
+    return s_BackupState == EXPORT_CTR_NAND;
 }
 
 bool IsBackupSucceeded()
diff --git a/trunk/ConsoleDataMigration/ConsoleBackup/Exporter.cpp b/trunk/ConsoleDataMigration/ConsoleBackup/Exporter.cpp
index 940d4f1..43f389e 100644
--- a/trunk/ConsoleDataMigration/ConsoleBackup/Exporter.cpp
+++ b/trunk/ConsoleDataMigration/ConsoleBackup/Exporter.cpp
@@ -278,7 +278,7 @@ void GetSaveDataDirectoryRoot()
     NN_LOG("%s\n", s_SysSaveRoot.c_str());
 }
 
-void CreateTwlDirectory(enum common::TWL_PATHNAME path)
+void CreateTwlDirectory(enum common::TWL_PATH_INDEX path)
 {
     NN_ASSERT(path < common::TWL_PATHNAME_MAX);
 
@@ -286,7 +286,7 @@ void CreateTwlDirectory(enum common::TWL_PATHNAME path)
             std::wstring(common::SD_TWL_ROOTNAME_TABLE[path])).c_str());
 }
 
-void WriteTwlData(enum common::TWL_PATHNAME path)
+void WriteTwlData(enum common::TWL_PATH_INDEX path)
 {
     NN_ASSERT(path < common::TWL_PATHNAME_MAX);
 
@@ -300,6 +300,18 @@ void WriteTwlData(enum common::TWL_PATHNAME path)
     size_t bufSize = common::HeapManager::GetHeap()->GetAllocatableSize();
     NN_LOG("AllocatableSize = %d\n", bufSize);
 
+    u32 fileNum = 0;
+    u32 fileSize = 0;
+    common::CalculateFileNum(::std::wstring(common::NAND_TWL_ROOT_PATHNAME_WITH_SLASH_TABLE[path]), fileNum, fileSize);
+
+    nn::fs::Unmount(common::NAND_ARCHIVE_NAME);
+
+    NN_LOG("File Number = %d\n", fileNum);
+    NN_LOG("File Size   = %d\n", fileSize);
+    // 進捗表示用
+    common::SetTotalSize(fileSize);
+    common::ClearFinishedSize();
+
     void* buf = common::HeapManager::GetHeap()->Allocate(bufSize);
     if (buf != NULL)
     {
@@ -321,21 +333,35 @@ void WriteTwlData(enum common::TWL_PATHNAME path)
 
 void WriteTwlPhotoData()
 {
-    COMMON_LOGGER("Create Twl Photo Backup.\n");
+    COMMON_LOGGER("Export Twl Photo Data.\n");
     CreateTwlDirectory(common::TWL_PHOTO);
     WriteTwlData(common::TWL_PHOTO);
 }
 
 void WriteTwlSoundData()
 {
-    COMMON_LOGGER("Create Twl Sound Backup.\n");
+    COMMON_LOGGER("Export Twl Sound Data.\n");
     CreateTwlDirectory(common::TWL_SOUND);
     WriteTwlData(common::TWL_SOUND);
 }
 
+void ExportTwlPhotoData()
+{
+    s_ExportThread.Start(WriteTwlPhotoData, s_ExportThreadStack);
+}
+
+void ExportTwlSoundData()
+{
+    // 不要なデータを削除する
+    DeleteTrash();
+
+    s_ExportThread.Start(WriteTwlSoundData, s_ExportThreadStack);
+}
+
+
 void WriteMcuRtcData()
 {
-    COMMON_LOGGER("Create RTC Backup.\n");
+    COMMON_LOGGER("Export RTC Data.\n");
     nn::Result result;
     nn::Handle handle = GetMcuHandle();
 
@@ -404,6 +430,7 @@ nn::Result WriteSaveData()
     NN_LOG("File Size   = %d\n", fileSize);
     // 進捗表示用
     common::SetTotalSize(fileSize);
+    common::ClearFinishedSize();
 
     ::std::mbstowcs(s_RootName, s_SysSaveRoot.c_str(), s_SysSaveRoot.size() + 1);
 
@@ -445,9 +472,6 @@ void ExportData()
 
     if (init)
     {
-        // 不要なデータを削除する
-        DeleteTrash();
-
         // 国データと言語データをSDに書き込む
         WriteCountryLanguageData();
 
@@ -463,12 +487,6 @@ void ExportData()
         // IVSからセーブデータディレクトリ名を計算
         GetSaveDataDirectoryRoot();
 
-        // TWL写真領域のデータをSDに書き出す
-        WriteTwlPhotoData();
-
-        // TWLサウンド領域のデータをSDに書き出す
-        WriteTwlSoundData();
-
         // プレイ履歴をSDに書き出す
         //WritePlayHistory();
 
diff --git a/trunk/ConsoleDataMigration/ConsoleBackup/Exporter.h b/trunk/ConsoleDataMigration/ConsoleBackup/Exporter.h
index b102d0b..1523c6c 100644
--- a/trunk/ConsoleDataMigration/ConsoleBackup/Exporter.h
+++ b/trunk/ConsoleDataMigration/ConsoleBackup/Exporter.h
@@ -21,7 +21,8 @@
 namespace ConsoleBackup
 {
 
-
+void ExportTwlPhotoData();
+void ExportTwlSoundData();
 void ExportData();
 
 u32 GetProgress();
diff --git a/trunk/ConsoleDataMigration/ConsoleRestore/Controller.cpp b/trunk/ConsoleDataMigration/ConsoleRestore/Controller.cpp
index ffabb0d..d4c9625 100644
--- a/trunk/ConsoleDataMigration/ConsoleRestore/Controller.cpp
+++ b/trunk/ConsoleDataMigration/ConsoleRestore/Controller.cpp
@@ -40,6 +40,8 @@ typedef enum RestoreState
     SERIAL_IS_NOT_IN_SD, // シリアルナンバーファイルがSDカードにないことを表示
     SERIAL_IN_SD, // シリアルナンバーの情報を表示
     UPDATE_IN_PROGRESS, // アップデート中
+    RESTORE_TWL_SOUND, // TWLサウンドの書き込み中
+    RESTORE_TWL_PHOTO, // TWL写真の書き込み中
     RESTORE_IN_PROGRESS, // 書き込み中
     POST_RESTORE, // 書き込み後の処理
     RESTORE_DONE, // 書き込み完了
@@ -320,7 +322,7 @@ void ControlState(::std::vector<std::string>& operationMessage, bool& nextStep,
                 else
                 {
                     COMMON_LOGGER("Start Import Data\n");
-                    s_RestoreState = RESTORE_IN_PROGRESS;
+                    s_RestoreState = RESTORE_TWL_SOUND;
                     PlaySound(SOUND_CURSOR);
                 }
             }
@@ -342,7 +344,7 @@ void ControlState(::std::vector<std::string>& operationMessage, bool& nextStep,
 
             if (nextStep)
             {
-                s_RestoreState = RESTORE_IN_PROGRESS;
+                s_RestoreState = RESTORE_TWL_SOUND;
             }
         }
         break;
@@ -416,6 +418,47 @@ void ControlState(::std::vector<std::string>& operationMessage, bool& nextStep,
         }
         break;
 
+        // TWLサウンド領域の書き込み中
+        case RESTORE_TWL_SOUND:
+        {
+            static bool init = true;
+            if (init)
+            {
+                // データを書き込む
+                ImportTwlSoundData();
+                init = false;
+            }
+
+            // 処理が完了した
+            if (IsImportFinished())
+            {
+                FinalizeImportThread();
+                s_RestoreState = RESTORE_TWL_PHOTO;
+            }
+        }
+        break;
+
+        // TWL写真領域の書き込み
+        case RESTORE_TWL_PHOTO:
+        {
+            static bool init = true;
+            if (init)
+            {
+                // データを書き込む
+                ImportTwlPhotoData();
+                init = false;
+            }
+
+            // 処理が完了した
+            if (IsImportFinished())
+            {
+                FinalizeImportThread();
+                s_RestoreState = RESTORE_IN_PROGRESS;
+            }
+        }
+        break;
+
+
             // 書き込み中
         case RESTORE_IN_PROGRESS:
         {
diff --git a/trunk/ConsoleDataMigration/ConsoleRestore/Importer.cpp b/trunk/ConsoleDataMigration/ConsoleRestore/Importer.cpp
index b56dcbf..fe19cb8 100644
--- a/trunk/ConsoleDataMigration/ConsoleRestore/Importer.cpp
+++ b/trunk/ConsoleDataMigration/ConsoleRestore/Importer.cpp
@@ -591,6 +591,7 @@ void ImportSaveData()
 
     // ファイルサイズ設定
     common::SetTotalSize(fileSize);
+    common::ClearFinishedSize();
 
     NN_LOG("File Number = %d\n", fileNum);
     NN_LOG("File Size   = %d\n", fileSize);
@@ -679,6 +680,12 @@ void DeleteConsoleInitializedFile()
     common::SdMountManager::Unmount();
 }
 
+void FinalizeImportThread()
+{
+    s_ImportThread.Join();
+    s_ImportThread.Finalize();
+}
+
 bool IsImportFinished()
 {
     return !s_ImportThread.IsAlive();
@@ -1098,7 +1105,7 @@ CheckedNetworkSetting* GetTempNetworkSetting()
     return &s_CurrentNetowrkSetting1;
 }
 
-void ImportTwlData(enum common::TWL_PATHNAME path)
+void ImportTwlData(enum common::TWL_PATH_INDEX path)
 {
     NN_ASSERT(path < common::TWL_PATHNAME_MAX);
 
@@ -1112,6 +1119,20 @@ void ImportTwlData(enum common::TWL_PATHNAME path)
     size_t bufSize = common::HeapManager::GetHeap()->GetAllocatableSize();
     NN_LOG("AllocatableSize = %d\n", bufSize);
 
+
+    u32 fileNum = 0;
+    u32 fileSize = 0;
+
+    common::CalculateFileNum(::std::wstring(common::SDMC_ROOT_DIRECTORY_PATH) + ::std::wstring(
+            common::SD_TWL_ROOTNAME_TABLE[path]), fileNum, fileSize);
+    // ファイルサイズ設定
+    common::SetTotalSize(fileSize);
+    common::ClearFinishedSize();
+
+    NN_LOG("File Number = %d\n", fileNum);
+    NN_LOG("File Size   = %d\n", fileSize);
+
+
     void* buf = common::HeapManager::GetHeap()->Allocate(bufSize);
     if (buf != NULL)
     {
@@ -1119,7 +1140,7 @@ void ImportTwlData(enum common::TWL_PATHNAME path)
         ::std::mbstowcs(archiveName, common::TWL_ARCHIVE_NAME_TABLE[path], std::strlen(common::TWL_ARCHIVE_NAME_TABLE[path]) + 1);
         std::wstring archiveString(archiveName);
         common::CopyDirectory(
-                (common::SDMC_ROOT_DIRECTORY_PATH + ::std::wstring(common::SD_TWL_ROOTNAME_TABLE[path])).c_str(),
+                (::std::wstring(common::SDMC_ROOT_DIRECTORY_PATH) + ::std::wstring(common::SD_TWL_ROOTNAME_TABLE[path])).c_str(),
                 (archiveString + ::std::wstring(L"/")).c_str(),
                 buf, bufSize);
 
@@ -1131,18 +1152,29 @@ void ImportTwlData(enum common::TWL_PATHNAME path)
 
 }
 
-void ImportTwlPhotoData()
+void ImportTwlPhotoDataFunc()
 {
     COMMON_LOGGER("Import Twl Photo Data.\n");
     ImportTwlData(common::TWL_PHOTO);
 }
 
-void ImportTwlSoundData()
+void ImportTwlSoundDataFunc()
 {
     COMMON_LOGGER("Import Twl Sound Data.\n");
     ImportTwlData(common::TWL_SOUND);
 }
 
+void ImportTwlPhotoData()
+{
+    s_ImportThread.Start(ImportTwlPhotoDataFunc, s_ImportThreadStack);
+}
+
+void ImportTwlSoundData()
+{
+    s_ImportThread.Start(ImportTwlSoundDataFunc, s_ImportThreadStack);
+}
+
+
 void ClearFileReadResult()
 {
     s_CheckedEqualsIVSFileandIVS = false;
@@ -1252,12 +1284,6 @@ void ImportData()
         // NORデータを書き込む
         ImportNorData();
 
-        // TWL写真領域のデータをNANDに書き込む
-        ImportTwlPhotoData();
-
-        // TWLサウンド領域のデータをNANDに書き込む
-        ImportTwlSoundData();
-
         // タッチパネルキャリブレーションデータをSDカードに出力する
         // 本体初期化後はcal値が設定されている
         ExportTouchPanelCfgData();
diff --git a/trunk/ConsoleDataMigration/ConsoleRestore/Importer.h b/trunk/ConsoleDataMigration/ConsoleRestore/Importer.h
index 1f1c279..fa3b7f9 100644
--- a/trunk/ConsoleDataMigration/ConsoleRestore/Importer.h
+++ b/trunk/ConsoleDataMigration/ConsoleRestore/Importer.h
@@ -26,7 +26,10 @@ namespace ConsoleRestore
 bool EqualsIVSFileandIVS();
 u8* ReadSerialNumber();
 
+void FinalizeImportThread();
 bool IsImportFinished();
+void ImportTwlSoundData();
+void ImportTwlPhotoData();
 void ImportData();
 void CreateWriteFinishedFile();
 void CreateUpdateFinishedFile();
diff --git a/trunk/ConsoleDataMigration/common/FileName.h b/trunk/ConsoleDataMigration/common/FileName.h
index 44bfbff..2bd3496 100644
--- a/trunk/ConsoleDataMigration/common/FileName.h
+++ b/trunk/ConsoleDataMigration/common/FileName.h
@@ -52,7 +52,7 @@ const wchar_t* const PLAYHISTORY_PATHNAME = L"sdmc:/CTR_Console_Repair/playhisto
 const wchar_t* const PLAYHISTORY_COUNT_PATHNAME = L"sdmc:/CTR_Console_Repair/playhistoryCount.bin";
 const wchar_t* const TOUCH_PANEL_CALIBRATION_PATHNAME = L"sdmc:/CTR_Console_Repair/tpCalibration.bin";
 
-enum TWL_PATHNAME
+enum TWL_PATH_INDEX
 {
     TWL_PHOTO = 0,
     TWL_SOUND,
diff --git a/trunk/ConsoleDataMigration/common/FileTransfer.cpp b/trunk/ConsoleDataMigration/common/FileTransfer.cpp
index 0a16e0a..cd3a218 100644
--- a/trunk/ConsoleDataMigration/common/FileTransfer.cpp
+++ b/trunk/ConsoleDataMigration/common/FileTransfer.cpp
@@ -245,4 +245,9 @@ void SetTotalSize(u64 size)
     s_TotalFileSize = size;
 }
 
+void ClearFinishedSize()
+{
+    s_FinishedFileSize = 0;
+}
+
 }
diff --git a/trunk/ConsoleDataMigration/common/FileTransfer.h b/trunk/ConsoleDataMigration/common/FileTransfer.h
index 9d6b878..32c80a8 100644
--- a/trunk/ConsoleDataMigration/common/FileTransfer.h
+++ b/trunk/ConsoleDataMigration/common/FileTransfer.h
@@ -27,6 +27,7 @@ nn::Result CalculateFileNum(std::wstring currentDirectory, u32& fileNum, u32& fi
 bool CopyDirectory(const wchar_t * from_path, const wchar_t * to_path, void* buf, const size_t bufSize);
 u32 GetProgress();
 void SetTotalSize(u64 size);
+void ClearFinishedSize();
 
 }