Des:One day, Shoheis father brought a young and beautiful woman to him. Her name was Sanae. Eventually, Sanae and Shohei had the same last name, and she became Shoheis mother. Having lost his girlfriends mother at an early age, Shohei never got used to living with a woman in the house. Also, Shohei lives with a beautiful woman who is about the same age as him. The stimulation was too strong for Shohei. And that day will come. Shohei was unable to suppress his sexual desire and raped Sanae.