Nanami has been married for a year to her older husband, whom she met at work, and is anxious because her efforts to conceive have not yielded any results. - Perhaps because of the pressure from her, my husband has been having trouble getting an erection lately. - One night, as she was touching her husband, who had returned home before she knew it, she realized that his cock was erect. - Nanami immediately gives a blowjob so as not to miss this good opportunity. - However, it was Kinoshita, one of her husband's subordinates, rather than her husband who shouted, ``I'm leaving!'' - Since then, Kinoshita approaches Nanami while her husband is away... - On the other hand, Nanami can't forget the taste of the cock she gave him that time, and the two become addicted to an affair.