Dark Moon: Tsuki no Saidan

Sooha grows up hiding her special powers from the others after being mistaken for a vampire. They enrolled her in the academy of Decelis, a school for supernatural humans, after the death of their friends. After getting admission there, she meets Heli, a guy from that academy who accepted her with her secret. Sooha get attach with her, and they all get close to each other. Due to some mysterious reasons, Sooha gets into the war between vampires and werewolves, and her friends follow her to help.