I was grounded by my girlfriend and had an insatiable sex drive, so I often just shoved my erect dick into the exposed ass of whoever was in front of me without even looking at their face, pounding away and cumming inside their vagina. Ahh, it felt so good! But then I realized I had stuck it into my girlfriend's little sister's pussy, and that was absolutely fatal. Or so I thought, but it seemed like I had lit a fire…
