In the third year of marriage, a picture-perfect couple, such happy days changed completely one day. My husband's best friend, Mr. Yoshida, came to Tokyo for work and decided to stay at our house for a week. When I saw him for the first time in a long time, he was kinder, stronger, and more masculine than my husband. On that day, when Mr. Yoshida accompanied me shopping on behalf of my husband, who was busy with work, we suddenly became close. While tormented by guilt, we could not suppress our desires ...