The phrase refers to user-created modifications for the indie 3D arena slasher game Mitsurugi Kamui Hikae (developed by Zenith Blue and published by Playism).
The Mitsurugi Kamui Hikae modding community has produced a wide variety of mods, catering to different tastes and preferences. Some popular types of mods include: mitsurugi kamui hikae mods
For deeper gameplay tweaks, advanced users sometimes employ hex editors to modify executable values, though this is less common and carries higher risk of game instability. Common Types of Mods "Mitsurugi Kamui Hikae Mods" The phrase refers to