Yuko is a lewd wife whose libido has only increased with age, and sex with her husband is not enough for her. She also loves to tease, and her edging technique is so amazing that it can only be described as brilliant. One day, Yuko is turned on when she smells the smell of her son Kazuya's stinky semen that he masturbates and squirts into a tissue. Yuko loses her senses and comes up with the idea of making her beloved son her sex pet...