Locale Emulator: As the name imply, it’s change your PC locale to play most JP games.
Locale Emulator

How to:
– Run LEInstaller.exe to install.
– Then run LEGUI.exe, pick Run in Japanese (Admin) and Save
– Right-click file *.EXE and pick Locale Emulator & Run in Japanese to play game.

Notice: Only work on windows 7/8/10.