Ten Years ago, Genichirou Izayoi died trying to stop the sorcerer Rebi Ra, and as a result Shinjuku became a playground for demons. And now, the day approaches when Rebi Ra will complete his decade-long ritual to plunge the rest of the world into chaos! As Genichirou's son, it falls to Kyouya to venture into the heart of Shinjuku and put an end to...