Iori is a single mother who has captivated men with her huge P-cup breasts, but her only worry is her only son. Although he is of marriageable age, he always hangs out with his male friends, and she begins to suspect that he has no interest in women. "Could it be that my son is into that...?" Thus, the mother's crazy plan, involving her son's friends, is put into motion... This is a forbidden incest drama between a busty mother and her son.