A beautiful girl, Suzune Anka, is brought into an inorganic and dark underground space. - Waiting for her were countless iron restraints and a frightening-looking torture officer. - Without being able to grasp the situation at all, he completely lost the will to resist as the torture officer repeatedly slapped him and strangled him... Before he knew it, his entire body was tied with restraints and he was forced into absolute obedience. - Then, various foreign objects and meat sticks are inserted one after another into the completely exposed asshole. - The beginning of anal torture from which it is impossible to escape and it is inevitable that you will go crazy.