I slipped my hands to my boxers and pulled out my large cock which bobbed before the perfect mounds of her ass. Once again I reached forward and gripp...d Carmen by the hips, she flinched and then turned once again facing me.At first she didn't notice, but as I moved my hips the tip of my cock pressed against her and she looked down."Oh, my God, Ryan. Please don't do this," Carmen pleaded silently."You're mine and I'll do as I please," I said, firmly grabbing the bottom of her nightie and pulled. Even her "keeping in touch" weekends were different. Although she tried to schedule her visits home for weekends when her boyfriend's gymnastic team was in competition out-of-state, she found that doing so wasn't always possible. So, as often as not, my sister found her at-home weekends interrupted by Saturday dates with her boyfriend instead of engaged in trysts with me. I found myself not getting any for extended stretches of time, which was rather hard to take after having become accustomed. She would get me really hard by telling me her SIL loved anal and share dirty stories she heard from her SIL it was so hot wrong and dirty. One night we were fucking and she said her SIL might want to fuck me I figured it was just dirty sex talk but later she told me it was true! I was a little stunned and really turned on "so would you fuck our SIL baby" she asked "you know I do" that answer gave her a huge smile. So she informes me in 2 weekends the three of us are having a night out together. ”Jamie knew she would react that way. He looked her in the eye and pushed his boxers down as well. His flaccid pecker drooped between his legs. Janie's eyes bugged out.Realizing his sister's surprise, he reached between his legs and grabbed his cock. He shook it at her as she grinned. Janie couldn't take her eyes off her brother's cock as he shook it back and forth. ”Wow,” was all she could say as she watched him.Jamie was watching his sister’s face as he shook his dick at her, just a foot or.