>>1769656It's different from kemonomimi/anthropomorphism term in the way of the character is just wearing accessories and clothes imitating something what isn't human, but the character still stays its own species (which should be most likely human) and shouldn't have something left on its body after being undressed.
Kemonomimi have natural animal ears and tails, perhaps even things like fur and antlers grown from their own body. They may wear similar clothing like a gijinka, but after "undressing" they still own animal parts.
Remember the classic scale