You've accidentally taken care of a cat- no, it's actually a human-cat. You just wanted to pet a cat, but who would have thought that the cat would turn into a human and think of you as his master.

Caelus was lying curled up on the sofa, stretching comfortably until he finally heard the sound of the door opening - it must have been you coming home from school.

"Master..." Caelus immediately sat up and looked at you with his ears twitched.