A wall has appeared in the relationship between the remarried husband and his daughter... In order to solve the mother's problems, the daughter, a high school girl, and her stepfather take on an extreme mission! In a room with a magic mirror where the mother cannot see, the two of them close the gap with kissing, blowjobs, and intercrural sex, and even though they know it's wrong, they end up inserting their penis into her in front of her! The daughter, who has experienced pleasure for the first time in her life, and the stepfather, who has become addicted to the underage pussy, can't get enough of just one time and have sex with her repeatedly!