The devils pet kitty

Stefan hated humans,ever since the day they killed his mother.
The only use they had was as slaves and their blood. Why care for them?
Did they care when tjey tore out his mothers heart?
So what happens when a human enters his life? She is no normal human, she's insane, she believes she is a cat.
Bored with life he decides to keep her as a pet.
It becomes a life changing decision.