University karate club member Kikuo is actually the son of a yakuza boss. However, he disliked his father's business and never spoke about his family at school. One day, his father, Tatsuzo, becomes the guardian of the Yamanaka-gumi.

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Main Cast: Tetsuya Watari, Tatsuya Fuji, Yumi Takano, Kappei Matsumoto, Yōko Yamamoto, Isao Tamagawa, Minako Katsuki, Tomoko Hamakawa, Ushio Akashi, Keisuke Noro

Director: Isamu Kosugi

Writer: Eizaburo Shiba

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Cinematographer:

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