Mom, mom, mom! The pent-up feelings that a boy hungry for love and sexual desire had for his mother, Reiko. In front of her son, who reveals her lust for Reiko, Reiko uses her own body to respond to her son's thoughts with her loving sex education. Reiko shows off her glamorous naked body and explains this mechanism to her son with open legs at M time. However, if she touches her body, she reacts sensitively and drips mama juice from her. And someday sex education goes to forbidden mother-child copulation! Shaking the huge breasts & big butt, Reiko enters pleasure with her son Ji Po's intense piston! Reiko's sexual education is completed by catching the boy's juice that has been spit out in the back of her vagina.