Nightmare High School

Three high school friends, get a letter to one of Japan's private boarding schools. They have some doubts about the school itself, but eventually give in, and change schools. Unknown to them that the school is not like any other. This school is for Supernaturals, and once a year they invite human teenagers to their school to see if they can live together in harmony.
Tomoki Kurokami, Ayano Tachiban, and Ryou Miyagi are in for a ride of their lives.