yatokaneki

A girl named Rachel wakes up in an unknown place with no memory of how she got there or what her life was. She starts to explore the area and ends of finding a bunch of psychopathic people that each have their own floor in the building that their in.

Failure Human Tsukune is unexpectedly put into a school for monsters, where he meets the cute vampire Moka. He later meets succubus, Kurumu, a young witch genius, Yukari, an ice girl, Mizore, and Ruby a second older Witch Adept, Ruby.

Cross Academy is different from any other school. It has a Day Class and a Night Class, with different uniforms and no interaction between these two classes.