Gokusen

A person's power is not decided by his physical strength, there's a much more important thing within (2x2)

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Odagiri Ryuu used to be friends with the now class leader, Yabuki Hayato. After Odagiri apologized to Ara High before class 3-D fights with them, Odagiri has been deemed a traitor. However, it was all a misunderstanding as the class soon finds out from Takeda, a students who Odagiri helped out.