My hand slipped on the rounded rock where the crack ended. I knew why that was, it was because I was thinking of her bottom wiggling as she swung her ...body earlier.I had never thought of Melissa in a sexual way before. She was my next-door neighbour after all. Yes, we had had a great six months climbing together, but we were mates, climbing buddies.I had to admit that she did have a gorgeous body and a nice arse to go with it.I continued climbing, finally reaching the ledge that Melissa was sat. Eventually Brad and Susan must have cum too, because there they were, standing up and looking down at me.Still later, I was still lying on the floor, enjoying the afterglow, George and Susan appeared above me, now fully dressed.“Sally,” Susan said. “we've got to go. Thank you so much for a wonderful afternoon. I've never had sex with an audience or sex with a woman, or sex with a man and a woman before or watched people having sex. I've loved all of it and I hope that I'll be doing it all again. Then I felt her slip and start to slide down between me and the car. I quickly grabbed her and carried her around to the other side of the car and deposited her in the passenger’s seat. Trousers returned to normal I drove home in total shock and fearful of what I had done. Mother was sleeping like a baby. The next day not a word was said about the night before or what had happened. There was no way she did not know she had been screwed. At least I thought so. But after three days of nothing but. Some stupid movie or TV show said, ‘Keep your lies easy to remember, ‘ so I did.”“You think Daddy can help Daniel?” she asked, dropping on my lap, snuggling with me.“Dad can help anyone who wants it. He is a very savvy businessman, Sis,” I said giving her a kiss, then kicking her away. “We got done more than I had expected, let’s go home.”“Remember, you’re supposed to call first ... otherwise we may get home to find Mom on top of Dad in front of the TV,” she said.Chuckling, I called home, and.