[Rihou Takahashi, Bondage Rope Restrained!] Ordinary days define Rihou's life until one day she discovers a strange club called "Slave● Club." Drawn in by rumors, hidden fantasies and uncontrollable desires begin to stir within her. Tempted by curiosity, she steps into the world of BDSM, where she experiences tight bondage, exposure, humiliation, and her large breasts being exposed and played with. Caught up in a group gangbang●, she awakens to masochism, sinking deeper into pleasure and ecstasy. No longer just an innocent girl, she begins to reveal herself as a volunteer sex slave●, portraying her journey of self-transcendence. This title realistically captures her transformation as she crosses the boundary between shame and pleasure, evolving into a new version of herself.