Des:The masochists fetish indulges in pleasure and his interest in being tied up turns into desire! One day, I witnessed SM sex between my mother and stepfather and couldnt help but peep on her. When I saw the ecstatic expression on my mothers face as she was tied up, I felt strangely excited and started masturbating. While my mother was away, my stepfather asked me to... Mai is scolded and punished for looking into her. As a result, her training progresses and Mai becomes a rope slave...