KSBJ-138 Intellectual Mom's Spartan Education Katou Tsubaki

Tsubaki is late to work many times and has a sloppy son who has recently become interested in men. Tsubaki Mama, who decided to become a full-fledged man, decided to give sex education to teach the goodness of women and how to treat them. However, the sex education is a Spartan demonstration method using her own body! Sex education that started with how to kiss escalates steadily! Tsubaki Mama is a son who has become strong because of his education.