We lay there for a while then decide to go to the pool and wait for Dave and Jill to get back. We put on our suits and headed down to the pool it was ...rowded so we found a couple of chairs and kind of just crashed out. Here’s what happen on the trip to town. As Dave and Jill rode along Dave was asking all kinds of things about Jill and me. The longer they drove the more the question got more interesting. Dave asked Jill how many guy’s she had been with and she told him that I was popped her. " He walked around behind her and pulled out a knife. Her vision had adjusted to the darkness and as she saw the knife in the mirror, she started thrashing futilely against her bonds, waiting for him to cut her and hurt her. Instead he grabbed her shirt, and cut it up the back, slicing off her bra, and freeing her of her shorts. He went to his bed he'd prepared while she was away and grabbed everything he needed. He wrapped her hair in rope and tied it to a bar that ran across his ceiling,. This was going to be amazing. I looked up at him, wide eyed, with a little smirk on my face, like the one he knew from our sexual innuendos from the days past. I licked him from the base of his balls to the tip of his gigantic dick, flicking my tongue all around the head. He started to breathe heavier. I let out a moan, and said, “Goddamn, I have wanted this thing in my mouth for weeks, baby.” He grabbed the base of his dick with one hand and the back of my head with the other. I took it inside. I planned to have a handjob thinking about my sister. When I tried to get up from the floor with the help of the door handle. The door opened a little. My mind worked fast and I had a crazy idea. I entered my sister’s room and closed the door. As it was pitch dark, I took my phone and used the screen light to find my sister.They both were sound asleep. I came between her and her husband in the bed slowly and started touching her. I grabbed her boobs. She lay in bed in bra and panty. Slowly I.