@Yukimura, There's nothing funny about demon children. Wait till nightfall, when darkness falls. They'll come out vacant eyed, dragging dead pets whilst chanting in unison. Look at her again. Does she not haunt you?
I'm going to assume it's not a real cat because of it were it would've ripped out her skeleton and played with it the way she's playing with her toy skeleton.
Just so you guys know, the cat is a toy, the OP stated that on reddit