Mizuki Konoe, who usually leads a normal student life. But her other face was an exorcist who worshiped the devil. She is also called "Charlotte Catherine Krue" After a certain school, boys in the same class hear rumors of the devil and invade the factory ruins. When I was worried and followed them, the devil was still lurking there. Mizuki tries to protect her boys and is cursed by the devil Melkis. She is also targeted by boys and evil spirits whose lusts have been released by Melkis ... Still, Mizuki rushes to the battle with Melkis to save the boys ...