Kotone leads a boring married life with her silent husband. A friend recommended a dating site to her, and although she initially despises it, she hesitantly decides to give it a try, as her sex life with her husband has become cold. However, Kotone is intimidated by the idea of meeting a man much older than her, and even though she shows up at the meeting place, she goes home. A few days later, when Kotone's husband is transferred and she has to sell her house, a real estate agent comes to her house. The man is someone Kotone has been communicating with on the dating site...