Desperate to maintain her affluent lifestyle, Satomi tried her best to be loved by her husband. Occasionally, when playboy nephew Kotarou would visit, she reported to him that he was being flirted with, hoping that his jealousy would make him protect her. Thinking along those lines, Satomi attempted to seduce Kotarou. However, things escalated beyond her control, and before she knew it, she had given in to his advances completely.

裕福な生活を手放したくない正美は夫に愛されようと必死だった。時々遊びに来る義弟の孝太郎から「口説かれている」と夫に報告したら嫉妬して自分を守ってくれるだろうか？そう思った正美は義弟を誘惑しその気にさせようとした。だが本気になってしまった義弟の暴走を止めることができず、肉体を許してしまうことになってしまった。