@OttyAviBun Look for "Backface Culling" and turn them on/off, you might be able to fix it that way? The Fazclaire gang needed it so I wouldn't be surprised if Cryptia's other models did too
Download Link (drive.google.com) Sally may Unity the files. There are no animators or anything; I just ported it. Someone more adept with this can add the animations and such. lmk if anything goes wrong.