One day, Shohei's father brought a young and beautiful woman. His name was Sanae. Eventually, Sanae and Shohei shared the surname and became Shohei's mother. For Shohei, who lost his mother early, he never got used to living with women in the house. It is also a joint life with Shohei and a beautiful woman who is not much different in age. The stimulation was too strong for Xiang Ping. And that day will come. Shohei couldn't control his rising libido and Sanae.
