He thought he was seducing his virgin brother, but... he unexpectedly turned the game around! A defenseless busty sister gets fucked by her super-strong younger brother

Saori lived alone to work as a gravure job, but she quits her job and returns to the countryside. After returning to his parents' house, his younger brother, Taichi, met for the first time in a while, and although he has grown, he has become a virgin who is pounding in-laws. Saori shows off her cleavage and seduces Taichi, who is trying to tease her, who is initially aroused, but is pushed down by Taichi, who has become more heated than expected. From that day on, Taichi's super-sexual cock transformed into a sexual beast and is fucked by her home with nowhere to escape...