Undyne x Fem Werewolf Reader

Y/n L/n has been abused by the L/n Family, just because she has a freakish power. Y/n L/n is a weird creature, she has wolf ears and a tail, f/c dragon wings, and has one black eye, her teeth are black as night and are some weird crystal, she has never been given human food so her body has learned to live off of eating crystals that randomly generate whenever she is hungry, she has multiple rainbow crystals sticking out of her ears and tail, she has scars and bruises spread all over her body. What happens when this crystallized creature meats the insane fish woman.