Mitsumine High School is infamous for harboring the most unruly delinquents nationwide, instilling fear even in the faculty members. Sunahara, a formidable figure leading the first-year students, reigns as the class's undisputed powerhouse. However, with the arrival of transfer student Asagiri Shinnosuke, a whirlwind of change sweeps through the school as he challenges authority and leaves a trail of chaos in his wake. Asagiri's ambition to claim the title of school champion promises a future even more tumultuous and intense than Mitsumine's current state.