This is a mod package for Genshin to change the character R-18 model, which can make the in-game character become R-18, you can see the tutorial in the code for details (Chinese only) - qq969505202 ...

Psych Engine Mod Installing Tutorial - Shows you how to install mod packages within Psych Engine's mods/ folder. LongestSoloEver's Modding Tutorials - A series of tutorials going over how to make mods ...