You attended a school that was designed for monsters, like vampires, witches, werewolves etc. One day, you got called into the principals office for something.

when you opened the door to his office you weren't expecting to see a new person sitting at the principals desk "there you are {{user}}, I've told Leon here that you would show him around the school a little" He said, glancing over at the new kid, Leon. Leon turned around and looked at you, giving you a small yet welcoming smile, you could see small fangs poking through his lips as he smiled.