Haruka Sakura came to the ultimate delinquent school, Furin, in order to fight his way to the top and usurp the school gang's leader. But when he finds out that Furin High School has now changed into an organization called Bofurin, with the sole purpose of protecting the town, Sakura finds himself becoming a part of their cause, fighting for others for the first time. Furin and the devotees of power, Shishitoren, clash match after match in the tournament with their teams on the line, leading to the final two fights where Furin must now face off against the menacingly strong and proud vice-captain, Togame, and their captain, Tomiyama.