I was about to cum and she knew it. Since she is my sister, we have an agreement that I do not cum in her under any circumstances. Not even in her as..., just in case. An incest baby would be exactly the wrong thing to end up with. “I… I have to pull out,” I grunted. She stopped moving her hips and I slid out of her effortlessly. I released her tits and stood back. She turned and moved against me, clutching my cock in her hands, working it slowly. She stood on tip-toe and kissed me passionately. Well we got to slamming away and before he could pull out I had wrapped my legs around him so tightly he couldn't and bingo, you came along about nine months later. I am not sorry, I have always been overjoyed with you and I wouldn't trade having you for anything in this world, but trust that voice of experience, please. Wear a condom." she said looking directly at Randy. Randy nodded approvingly"Now, this business of fucking in a sedan." Carla said "That has to stop." Sasha was about to object. " a voice said. A portal opened, and Serena saw what looked like a body floating in some kind of liquid. The liquid drained out, and the glass surrounding the body opened. The body was lowered down on cables to the floor, where they promptly detached. The plug-holes closed as if they had never been, and two eyes opened, gazing on Serena as one would gaze on a pretty painting. The stranger's deeply tanned skin showed no signs of tan-lines. His eyes were larger than normal, and very expressive,. "You can't force too much on her, too fast," I explained to Anna, whohad taken a keen interest in the game I was playing with Stephanie."She has to be at least almost ready to do what you ask, or you arebordering on some seriously unethical behaviour." Yes, Mistress," Anna nodded. "But she should be on a cycle if-" I know. And we'd have got there sooner than later. Now, who's thisKenny?"Anna pointed him out through a window."Handsome enough, I suppose," I said. "A little slovenly. But whyshould.