Popular buxom beauty and married woman Mai Hasegawa, active with Fitch, finally reveals her SM and bondage play! Mai, who married into the wealthy Hasegawa family as a second wife, agreed to wed Hiroshi on the condition that he would pay off her family's factory debt. However, envious relatives of the Hasegawa household set a trap for her, exploiting her husband's hobby of bondage. Using photos of Mai tied up as leverage, they bind her tightly with jute rope and force her into humiliating sexual acts. For Mai, who deeply desires her husband's love, this becomes an unforgettable, intense experience.