@Depthsowlgirl What a wonderful friendship this is!
To me, the base appears to be Sio (this is just one individual's perspective, of course).
https://booth.pm/en/items/5650156
Might be late for help but you have 2 dif shader for the face, one is Shader Face and the other Shader Face_Parts. I would try and look which one is which and try something and ctrl+z. Good luck!