itself inside of the body of Tatsuo Nagumo, his supernatural changes are starting to affect the people around him. Gradually, dark urges inside Tatsuo's human soul are overwhelm him as a slew of murders grip Tokyo in fear. Once the Overfiend has been discovered, The Demon Realm begin to make their move, recruiting a classmate of Tatsuo who's bark is worse than his bite. But when that bite is strengthened eight-fold at the cost of his humanity, can Tatsuo fight off this new threat?