Hmm, IDK with no textures but the Material Properties → Settings → Blend Mode is set to Alpha Clip for MI_OKDress007 and MKBody_007 which simple makes this invisible (in Eevee)… try Alpha Hashed for a ghostly look .
Looks like you might have two of the same models on top of each other. Go into edit mod, just click so select a random face, ctrl-L to select linked mesh and then G and move it out of the way and see what happens.
The answer lies within the normals and that the nodes had to be arranged accordingly with the following additions. You can find additional solutions here.