Gang fights and Yakuza dabblings. Sophomores versus seniors. Blood, rape and power. Mayhem rules Kishuu Private High School when the sophomore Nagato transfers into the all-boys school. Being battle-tested and oblivious to the hierarchy, the newcomer soon piques the senior leader's interest. When Nagato is suddenly confronted and defeated by the latter's lap dog, Ai, he vows to get back at his foe. Little does he know that Ai harbours a dark past behind his beautiful poker face...