The Kanto 1-yen coin party has a fierce internal conflict! In the Kochi-gumi, the confrontation between the young head Sakuta and the son-in-law of the group leader, Kunitomo, had surfaced. Meanwhile, at that time, Okiyama, a man armed with a pistol and dynamite, rushed into Kamibayashi Trading. He takes the hostage and demands that he bring Jin. Okiyama's lover was killed by a yakuza a week ago, and the culprit is Jin ?!