Every once in a while, Kevin would creak in the chair, and I would shoot him a dirty look. Not the sultry why-don’t-you-join-me dirty look, the I’... gonna-slit-your-throat-if-you-make-another-noise dirty look. The first wave of contentment had me pushing my hips upward and onward. The robe slid open fully exposing myself and I heard Kevin fall out of his chair. My butt cheeks clenched together as tightly as I could make them, enough to bounce several quarters off of, and I slowly came back to. . please?”“What do you think, Isabel, should I let him take my towel?”All she could do was snicker over this embarrassing situation.“OK Michael, here is my towel. I need a kiss in payment.”I slid out, grabbed the towel, wrapped it around my waist and walked around to the other side of the spa where the girls were.I gave Jenn a steamy kiss, and Isabel got a light peck on the lips. She grabbed at my towel, but I had a firm grip of my own.They giggled as I went inside through the glass door. I. ”“Please, Daddy,” Christy whispered, her hips pushed up to his expert fingers. “Please, fuck me,” she begged softly, never wanting anyone like she wanted him right now.Suddenly he leaned over her and slid his large cock against her wet pussy, getting it slick with her arousal. She moaned as his hard member slid against her clit and then back down. When he was slick with her juice, he placed his cock in front of her wet opening.Christy gasped as he slowly plunged his thick cock deep inside her.. And so did Frank.Now you see, Frank and Janet Stone were a very open bisexual couple. They had their share of orgies. But not like this!Actually, no one there was underage (Ron was away), but they didn't even register that. All they could think (but couldn't say, because it could ruin the moment) was: "incest."And it turned them on. This was incest, true incest. With all their orgies, with all the casual sex, they had never had such an experience. They had fantasized about it, sure, but... This.