Yuna, a housewife whose marital life had cooled down, had an affair with a student she met at a convenience store at a part-time job, and became crazy about sex to the extent that they sought each other's bodies during work.She hides in the shelf and gives blowjobs so that customers don't find out, and she spends her days in the warehouse and toilets in the store so that the store manager doesn't find out.Yuna, who finally decided to break up with her husband, begs her partner to cum inside her.