KSBJ-126 Intelligent Mama's Spartan Sex Education Yu Kawakami

Yumama decides to turn her son, who doesn't know a woman and doesn't study, into a full-fledged man, and educates her virgin son about the goodness of a woman. However, the sex education is a Spartan demonstration method using your own body! Sex education that started with how to kiss is escalating steadily! Yumama is a boy who has become stubborn because of his education.