Satsuki (32 years old), married for 6 years. The two met at a social dance circle and soon started dating and got married. Because their days off don't match, she spends her days off alone and lonely, and her sex life with her husband, who is indifferent to sex, is only decreasing. The married woman, who has lost her confidence and pride as a woman, learns about the existence of AVs featuring ordinary housewives and decides to do it herself... The married woman who surrendered herself to a sinful act on a trip returned to her husband. "Cheating is the first and last time, I decided it would only be once..." Two weeks later, the act of infidelity was repeated.