Having grown up as a target of bullying, senior high school student Hajime "Ichi" Shiroishi is a skilled karateka, yet he becomes completely paralyzed by fear when it comes to fighting. Amidst this, Dai Akakuma, a power junkie and classmate of Ichi who does nothing but fight, sets his sights on Ichi!! When Ichi begins to shed tears, a violent impulse that had been residing within him is suddenly unleashed!!!!