After giving birth soon after marriage, Eriko barely had any time for her husband. She thought they'd have more time once their child became independent, but her husband never saw her as a woman, leaving her increasingly dissatisfied. One day, a renovation salesman arrived. She invited him in, offering him tea, but accidentally spilled it on his crotch. In a panic, she wiped it, but he ended up getting aroused from the friction. Eriko, pleased by his excitement, found herself drawn to his body. Since that day, she's been consumed by the satisfaction of being desired as a woman. Then, one day, her nephew comes to stay...