Eriko, the wife of a local student Toshio who teaches studying. One day, when Toshio found out that she had no immunity to women, her husband and delicate Eriko recently decided to teach a woman by being carried away by curious Toshio. Eriko, who became unable to resist the pleasure of dyeing innocent young children into her own color, gradually fell deeper and deeper. However, her jealous husband Yasunori secretly set up a camera when he noticed her change. Without knowing that, Eriko called herself studying today and brought Toshio home ....