Unable to endure her pent-up desires, Eriko ended up having a relationship with her own child. By the time she regretted it, it was already too late. With just one mistake, Eriko became a captive to her son. She cannot suppress the impulse to want to be held by her son again. But tonight, her husband is coming home. If there's a chance, it would be while her husband is taking a bath. Eriko resolves to pour all her desires into these 15 minutes.