If you are looking to set this up, let me know if you need help with: (CFW or specific software needed) Compatibility with DLC or updates

The undub is typically distributed as a layered FS patch or a pre-patched CIA file for modified 3DS systems.

Additionally, an often-cited exclusive benefit is that (like Heritors of Arcadia and the ending theme) remain in Japanese, maintaining the original lyrical flow and meaning, whereas the official English release changed the vocal track.

Before we analyze the game itself, we must define the term. An is a fan-made patch for a Japanese game that has been localized into English. It typically replaces the English voice acting (dub) with the original Japanese voice acting (sub), while retaining all English menus, item descriptions, dialogue text, and UI.