ZMEN-030 Thought she was my girlfriend, but I ended up having raw sex with her sister! I realized it while cumming inside her!!! 3

I was grounded by my girlfriend and had an insatiable sex drive, always wanting to fuck. So I often didn't even look at her face and just thrust my erect dick into the exposed ass without any protection, pounding away, and came inside her vagina. Ahh, it felt so good, but then I realized I had stuck it into my girlfriend's sister's pussy, and now I was absolutely screwed! Or so I thought, but it seemed like I had lit a fire…