The Dark Tournament has come down to a final grudge match, and Yusuke unleashes his full wrath in a fight to the end. Worn out but victorious, he finds there's no time for rest or recovery, when a new enemy threatens the boundary between worlds. A tunnel is being carved and once it's completed, it will lay waste to the World of the Living. Up against former Spirit Realm Detective Shinobu Sensui, and the scourge of the Demon World, Yusuke must awaken a new, demonic power.