His parents were away from home and his younger brother had incest with his two adulterous sisters

When I went to Tokyo to take the university entrance exam, I decided to stay in the house where my older son and his other son lived. Two brothers accidentally go on a long business trip and begin a strange association with two sisters. I studied hard for three days until the exam, but I couldn't escape my wife's pan. Amidst my push down with “it's important to breathe while studying for the exam …” until I fall asleep or wake up right before the exam, my beautiful ass squeezes out my nuts.