VEC-643 Mother's Best Friend Mary Tachibana

My mother's best friend, Mary, came to take care of me in place of my parents who were going on a trip. Koji can't help but squirm at the beauty and stimulating body that far exceeds his expectations. Even though he wants to get close to women, Koji, who has little contact with women, is not immune to it, and his every move catches Mary's attention. Koji, who really wants to make memories, comes up with the idea of ​​masturbating in his underwear, but unfortunately