What an erotic body... Koichi accidentally sees his mother Hitomi's naked body in the bathroom. Koichi is instantly captivated by her soft white skin and voluptuous bodyline. He knows it's wrong. But his mother's dripping wet breasts are burned into his mind and won't go away. Driven by passion, Koichi attacks Hitomi. Hitomi is confused but desperately tries to persuade her son to stop his rampage. However, Hitomi's words don't reach Koichi, who is indulging in forbidden pleasure in his excited state.