>Natsuhi is forced to share a secret with a despicable man. The man encroaches on every moment she spends with her husband, who lives apart from her due to work. >Her husband, who doesn't know the circumstances, is fascinated by the sight of Natsuhi being humiliated by being made to participate in the man's hobby. >As she continues to be humiliated by the man, a masochistic sexual desire begins to grow in Natsuhi. As her masochistic sexual desire meshes with the man's one-sided actions, Natsuhi becomes absorbed in her relationship with the man. >In order to somehow escape from the relationship with the man, Natsuhi tries to share her sexual preferences with her husband, but they end up missing each other. Natsuhi is also caught up in the man who collects women as if they were sex toys...