GG-189 Mom's Real Sex Education Nanako Mori
Nanako lives with her son. One day, Nanako is forced to have a relationship with a man, and reluctantly gives in to him. During the act, the son returns home and is surprised to see his mother. The son tells Nanako that he got an erection after watching sex, and asks her to teach him about a woman's body as well. Although she is at a loss, Nanako decides to accept her son as part of her sex education.
