Unexpected sexual encounter with stepsister in my bedroom

I was lounging in my room when I received a surprise visit from my friend's girlfriend, who also happens to be my stepsister. She had stopped by for a last-minute massage, but things took an unexpected turn when I caught her in a compromising position with my friend. Feeling embarrassed and betrayed, I confronted them, leading to a heated argument. In the heat of the moment, my friend's girlfriend took off her clothes, revealing her big, juicy pussy. My friend, unable to resist, ripped off his clothes and unleashed his massive black cock. The sight of it sent my stepsister into a frenzy, and she eagerly took him in her mouth. The room filled with the sounds of her struggling to handle his size, but she didn't stop. She begged for more, and soon she was getting pounded by my friend in missionary position, her clothes ripped and her body dripping with sweat and desire.