: v1 often includes "Dynamic Bones" support, which provides realistic movement and physics to the hair strands during animations.

Open your Koikatsu installation directory. Navigate to: Koikatsu / BepInEx / plugins / If you are using a .zipmod based hair pack, look for the Mods folder in the root directory instead: Koikatsu / Mods / Step 2: Download and Extract the Files

Another installed hair mod might be using the same slot numbers. Try changing the ID numbers in your configuration file. Visual Glitches or Invisible Hair

: If you use AAUnlimited , make sure to run the game through the launcher to ensure the new assets are recognized. Option 2: For Koikatsu (KK) - AA2 Hair Ports