Yamato Gaoka Academy appears on the surface to be an institution for reforming delinquent students, but harbors a national conspiracy beneath. Suddenly, a naked vigilante known as Sexy Mask appears, confronting the corrupt disciplinary committee—only to fall into their trap and be captured against her will. The disciplinary committee plans to publicly humiliate this savior across the entire school in order to tighten their control. Driven like ravenous beasts, they decide to subject Sexy Mask to the most humiliating forced excretion imaginable before destroying her completely, recording every moment of her degradation on video.