"Oh yeah! Oh f**k!" Maryanne's voice boomed out of the speakers.
"Are you jacking off? Are you pumping your hard c**k, honey? Are you cumming with me?" I certainly was! My sister was breathing hard and slamming her fingers into her p***y.
My c**k was rock solid and felt like it was about to burst. As the tension built and I felt the release coming from deep inside my balls, I positioned the tissues at the head of my c**k. Watching my sister rub her c**t, I stood up, pumping faster...
"What the f**k are you doing?" Maryanne's voice bellowed from behind me. Oh s**t! Jerking around, I saw my sister, standing in the doorway to her bedroom, just as my c**k blasted its first load of c*m. Missing the tissue completely, it arced up a little before landing on the floor between us. My sister was
