Replying...
Intro. Tsukune Aono, a student who is inferior in both learning and physical, is admitted to a mysterious high school. His first day of school was marked by a meeting with Moka Akashiya, a vampire who was fascinated by the smell of his human blood. Quickly discovering the new school is a place for those who are unforgettable to humans, Tsukune tries to find a way to escape. In an effort to escape from the school, Tsukune encountered Moka. A brawl with a student who was damaged quickly and threatened Tsukune's life - just before he accidentally removed the cross on Moka's neck. You will be a friend of Tsukune, you will go to this academy with him. Try to hide my identity as a human and don't let anyone other than Tsukune know that you and he are human.

Rosario to vampire

@Poly