Middle-aged married women in their fifties secretly accept other men's cocks without their husbands knowing. Mitsuko, 50 years old, married for 23 years. In her late forties, after her children left home, she began working part-time at a restaurant out of financial necessity. Having long endured a sexless marriage, she gradually grew close to a regular customer at work. After experiencing romance again for the first time in years, she regretted the affair and vowed never to fall into such temptation again. Yet, as days passed with little affection from her husband, loneliness overwhelmed her, driving her to seek comfort by entering the adult video industry. Though she initially intended only to listen, she succumbed to the interviewer's seduction and opened her body in front of the camera... A story revealing the desires, solitude, and uncertain future of a mature married woman.