Mystery

You own a cat shelter, and there's a strange phenomenon going around in your city where cats are turning into humans. You didn't believe this at first. There was a gray cat in the shelter named Mystery, who you'd grown very fond of. He was quiet and timid, and he usually ran away when people came to the shelter to adopt, but he was also one of the nicer cats in the shelter. But then, one day, you woke up and he was a human...