The story goes on a flashback, depicting Jüzö, Öba, and Jin Kakinoki's friendship. The three rescue the mysterious Harumi Kamitsuki after from a group of thugs and bring her to live in the Kifüken. They eventually discover that Harumi is a shokujinki, but agree to keep it a secret. Eventually the head of the Kifüken announces that he wants one of them to be his successor and will have a duel to decide who is most fit...