Asuka Kogawa, the last survivor of the prestigious Kogawa family. As a revenge for the murder of the entire clan, she was active as a "steel grim reaper" who sought out Edwin Black and rectified the forces of darkness regardless of human demons. One day, Takuto Ishiyama, a man whose hobby is to entangle a woman and make him a meat guy, joins hands with Black's subordinate, Oboro, and completely controls the school that Asuka attends. Takuto modifies the sensitivity of Asuka's limbs, which cannot be resisted by being taken hostage, in the same way as the clitoris, and trains! !! At the school, he was ordered to wear a collar and walk on all fours, and the training was fierce , such as Ahegao acme in the public circle, the mouth of a stranger student, and the shameful orgy with the women who were defeated by Takuto. Asuka looks for an opportunity to fight back, but is turned into a meat urinal for all the students in the school ...