Honoka is a single mother and works as a teacher. Honoka, who wants her only son to enter a good school, was eagerly teaching at home. However, with such a suppressed study life and the scent of my mother in front of me, my son's sexual desire at his age also breaks through the limit! - A son who hits his beautiful mother's body with all his desires, and Honoka who regains her true nature as a woman like a dam. - Blow in between studying, vaginal shot SEX in lewd underwear at night! - Contraindicated copulation between a mother and child who has been unleashed!