My beautiful sister, who does reggae dancing, brought her classmate over. I was helping them film their Titjob, but I couldn't help getting an erection at the sight of their big asses and ended up being attacked. I was trapped between my sister and her friend's big asses and was made to cum over and over again, but they didn't stop moving their hips at all, and they milked my sperm until my balls were completely dry. From that day on, my sister and her friend's intense relationship began...