Mei Hoshou is a music teacher who transfers to a new school, only to discover it has a terrifying atmosphere. Rumors spread that the school's chairman and his perverted associates prey on female teachers. Mei soon falls victim to their clutches, her body gradually taken over. Bound like a Daruma doll, she has slippery yam smeared into her pussy, where itching and pleasure intertwine, driving her erogenous zones into escalating arousal. Her sensitive body is systematically trained in a hellish torment of pleasure. Eventually, she transforms into a maddened, sobbing beast, her big-titted Daruma form crying out in ecstasy. This goes beyond mere sexual depiction, delivering a shocking, extreme narrative that pulls viewers to the very brink.