Several years have passed since Mai remarried... Surrounded by her loving husband and kind-hearted son, Mai was living a happy life. One afternoon, a young salesman came by...the business card he handed me was ``Koji Ito.'' It turned out that he had the same name and last name as her ex-husband's son! Mai is skeptical, but she gently accepts the salesman's wish that he didn't know her mother, thinking that this is compensation for her son, Koji, who survived her. Her desire gradually escalates...The moment the salesman takes off his pants, there is evidence that she is convinced that it is Koji...