Mr. Uchiyama has been married for two years. After getting married, he moved from Fukuoka Prefecture to Tokyo and has gotten used to being a full-time housewife. He thought they would enjoy a smooth and fulfilling married life, but in reality, there are days when he sees his exhausted husband coming home from work and has no interaction with neighbors, ending the day without talking to anyone, feeling a sense of loneliness. To distract herself from such loneliness, she started dating strangers on an infidelity website...