noun. A female fictional character who has a cat's ears, tail, or other feline characteristics on an otherwise humanoid body.

noun. A female who wears a cat costume.

"However, what I think would scare away publishers is that the synopsis gives the impression that the girl possessed by a cat demon is a catgirl."

catboy  

33  Mozart  bikini-clad  colicky  day-old  

batgirl  cowgirl  

neko  neko-mimi