When she started moving her ass a little, I was sure I was gonna cum right there and then. I left her breast and rushed my hand right down her panties... Oh man, no hair, she was shaved smooth. "Hum, you always shave like that?" . "No I shaved this morning in your shower, using your razor. I wanted to fuck you tonight and wanted to be nice and clean". 

By that time, the fire had gone down a bit, the night was pitch black and we couldn't see the house from where we were, so my sister couldn't see. Although I had seen him on visits to the house, I had not spoken to him and she never mentioned him at all. She told me that his problem in getting hard related to an operation he had had for a hernia and the fact that he could only now get hard at the sight of another man with a hard on. For that reason, he very rarely had sex and relied on photos and magazines for his stimulation. He had asked her whether it was possible to watch the two of us at one of our sessions to see if that had the. Okay before I continue, I'm gonna name these two uncles. The one opposite my apt is Jim and the bearded hunk is Jack. Anyway, back to the story. As we were just chatting Uncle Jack casually asks "how many times have you seen me sneak around?" I told him about 3-4 times all the during the midnight or later. He opens up about what he did. Seems like they were bi swingers and they were into wife sharing. I know right? what are the odds of meeting such people? I was intrigued by the thought of it.. When I got home the two girls were laying on the bed cuddling. Laura was still wearing her harness and Muriel had anal beads sticking out from her butt cheeks. “Muriel, take out the beads and bend over on all fours.” She knew what was coming. I lubed her rosebud, and rammed straight into her ass. Laura held her head against her breasts, stroking Muriel’s forehead as I mercilessly pumped into her virgin hole. Muriel yelped but I knew she was enjoying herself because she reached back and spread.