Details

Yu ends up staying at a relative's house for a week during summer training. However, when he sees his aunt Maki's defenseless appearance, he can't study and masturbates in agony... Maki, who was captivated by his young and strong cock, used him to release her daily sexual desires that could not be satisfied by her husband alone. Then, Yu feels sexually awakened by being attacked by her, and he loses himself in the pleasure and starts raping Maki like a monkey. She herself becomes more and more absorbed in the endless sexual intercourse of her nephew...