- My mother's propensity that I knew. And that I have the same masochistic qualities ... - Don't peek into the SM sex of your mother and father-in-law. - Seeing the ecstatic expression of her mother who is tied up, Mai who is interested in bondage masturbates. - She is scolded and punished by her father-in-law for peeking at her while her mother is away. With that, training progresses and Mei falls into a rope slave ● ...