This film adopts a unique training style using traditional iron restraints originating from medieval Europe to completely immobilize and dominate a female masochist. This time, the sacrificial offering is Yua Nanami. Completely naked and unable to move her body, she is utterly subdued from the start. Her face and breasts are struck with intense slapping, and as she endures the pain, a large cock, various toys, and a torment pear are inserted one after another into her anus. With each insertion, agony and pleasure intertwine, ultimately driving her to climax repeatedly in an extreme state of suffering.