A high school is badly run and in bad shape. In order to restore the school, the Akimotogumi yakuza, including their leader Shigesato Akimoto and their second in command, Seiji Himura, appear at the high school. The Akimotogumi group are old school and they highly value a sense of duty and humanity. While Shigesato Akimoto and Seiji Himura look scary, they try to restore the school as best as possible. Due to them, the school begins to change. One day they are challenged by others.
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