Kozue, a 31-year-old housewife with a charming and refreshing aura. She has been married for four years to the director of a certain photocopier sales company. However, her husband, who is ten years her senior, apparently has a peculiar fetish: he only demands manual and oral stimulation every night and never inserts anything. Kozue, who longs for a child, has been struggling with this situation... In her anxiety about whether she will be able to have a child as she ages, she saw an advertisement recruiting housewives seeking affairs and decided to apply. Amidst the mix of anxiety, guilt, and anticipation in her extramarital journey, the chaste wife finds herself bewildered by her own hidden promiscuity...！！
