A beautiful girl "Suzune Anka" who was brought into an inorganic and dark underground space.What awaited her were countless iron restraints and a torture officer with a terrifying appearance.Without knowing the situation at all, she completely lost the will to resist with slaps and choking from the torturer one after another... Before she knew it, her body was fixed with restraints and forced into absolute obedience. .And various foreign objects and meat sticks are screwed one after another into her completely exposed butthole.Beginning of anal torture that is impossible to escape and insane.