Hino, who has been married for half a year, lives her life as a full-time housewife, supporting her husband. However, one day, she finds a bunch of business cards of prostitutes in her husband's bag. It turns out that her husband has been going to prostitutes, lying that he was working overtime. And betrayed by her husband, whom she trusted, she decided to use an adultery website to look for a man, hoping that it would clear up her feelings of unease.