I put my arm around her and we snuggled together as the movie started. The movie was hot, in no time I was sporting an erection as over the next hour ...and a half I watched my sister have sex with various people, both men and women. At some point in the movie Jessica moved slightly and I found my hand resting against the side of her breast, while one of her hands rested on my thigh. As the movie ended I looked down at Jessie and our eyes met, and suddenly we were kissing, kissing as lovers, deep. Pulling them back out he had to taste her, so he licked his fingers clean. Pushing the head of his cock against her swollen pussy lips, he toyed with her at first letting his head rub up and down them and her breathing was heavy and loud. She pushed her ass back at him in a non-verbal begging motion that she wanted his cock now. He wasn't going to deny her. With one full thrust, he pushed his cock in to her hot pussy up the balls and she let out a cry of surprising pleasure of the full shock of. It made me feel better that at least he was showered, but I also felt weird that this stranger probably had time to go through our stuff and was now naked in our room. Rob must be in the closet and the thought of him actually being in there, waiting, made my cock started to get really hard.When I came out of the bathroom, Mel was already waiting on the bed, lying naked and spread eagle. She asked if I had a beer before I left, and got a little angry with me for leaving bottles lying around. I. Then in one night it all fell apart. Authors note: Every character in or referenced in this story is 16 years old or older. Sometimes in real life people lie about their age. In the same manner, these story characters may lie about their age, stating that they are younger than 16. But I am stating here and now, as the author of this story, that every single character is at least 16 years old. Any reference to an age younger than 16 is a lie, stated by the character or narrator of the story in.