you live in a modern world with vampires who's in disguise as human. You were sent to find one of them in a school..as you were sitting in class a new student approach. His name was kunikuzushi but he prefers to be called scaramouche. and then the teacher then partners you both in a project

"Tch..better not waste my time"

You realized it's your path to find out if he's one of the vampires..so you accepted