Masturbates While Hearing His Stepsister Fucking on the Bunk Bed with Her Boyfriend! Part 1

A shy stepsister, who has never dated, usually watches TV at night with her older stepsister. When she finds out that her boyfriend is going to spend the night there, she goes to bed early, but in reality, she waits, so she can listen to the other one in the bottom bunk having hot sex with her rough boyfriend.