Stepmom's Real Sex Ed, Kanna Misaki (2020)

Sinopsis

Kanna, a mother who lives with her husband and a young boy. One day her husband went on a business trip and started living alone with her mother and child. Then her son begins to relentlessly spoil her when her father is gone. She accepts her son, Kanna, and her nature and her mother-child interaction escalate. "Are you worried about mom's body?" Kanna gently asks, and leads her embarrassed her son's hard erection Ji Po to her ejaculation. And she taught me how female genitals work, and finally how to make a girl. Kanna gave her son sex education as a special teacher of sex for several days without her husband.