Her husband passed away before her, and raising her son was her joy and pride. Natume Inagawa gave up being a woman to live as a mother. However, one day she saw her son's penis, which was larger and harder than an adult's. Under the pretense of sex education, as she touched it, she began to dream about it, her heart captivated. After experiencing the pleasure of ejaculation, her son could no longer control himself and started to rape his mother with his newly acquired knowledge. Knowing it was wrong but feeling pleasure nonetheless, their incestuous sex was recorded on a digital device.
