Black Cat Demon Control Agency. The cast includes: - Shiratori Mikoto - ordinary schoolgirl by day and genius exorcist by night. - Tachibana Yamato - a twisted half-demoness. - Shiratori Takeru is Mikoto's younger sister, a very responsible and intelligent girl. The leader of the team is a mystical cat named Yori. One day the Black Cat receives an SOS signal from a remote island. The signal is sent by an old man who informs the girls that an incredibly strong demon has set up in one of the temples, kidnapping the young girls and doing terrible things to them. The team bravely sets out on the mission, but unexpectedly falls into the trap of a perverted demon...