Reiko, who exudes mature charm, met on a mama-katsu site. She seems to have married her current husband, who was a patient when she was a doctor. At that time, her husband had a wife and children, and it was very difficult for them to get married, but they finally got married after a great love affair. However, recently, there have been suspicions of infidelity with her husband. She, who says she has no interest in me at all, is changing into an unfaithful wife to escape from that loneliness...