Maiko Ayase felt growing dissatisfaction in her marriage due to her husband's declining libido. When her nephew Kenta, whom she hadn't seen in a while, pays her a visit, he quickly notices her inner frustration and unmet desires. Using smooth talk and relentless charm, he gradually breaks down her resistance and takes advantage of her. He continues to visit frequently, persistently seducing her. Though Maiko tries to convince herself that this fling with her irresponsible nephew is nothing more than a temporary escape, her body awakens to the pleasure it has long been deprived of, pulling her deeper and deeper into the affair.