Sugimoto, a junior in the company that her husband loved, finished working at a branch and was assigned to the head office and decided to work with her husband. The two of them take care of Sugimoto, who lives alone, by inviting him over to his house. One day, Sugimoto, who couldn't control her obscene impulses, approached her Yuko, and the two had a relationship. Yuko, who was conscious of her lack of sex life when her sister-in-law pointed it out, is attracted to Sugimoto's charm, which is different from her husband, even though she knows that she is wrong. was….