KSBJ-115 Intelligent Mama's Spartan Sex Education Ryo Hitomi

Ryo Mama finds out that her beloved son really likes men, and decides to give sex education to her virgin son to teach her the goodness of a woman. However, the sex education is a Spartan demonstration method using your own body! Sex education that started from the way of kissing escalated steadily, and Ryomama to her son who became strong.