I had no doubt what this was going to lead to, however,things seldom go to plan.When we got home, Natalie got a call from her office. Saturday be damn...ed,her office server had gone down, and she was needed. I whined my protestto no avail. Among her responsibilities, she was the networkadministrator. She had to go in and get the system working.With profuse apologies, she headed for the door to leave. She promised tobe home by 4, and to make it up to me then. So I was left to my owndevices for the. I just let him play his game knowing all along that we were going to fuck…I did have to wait long. He soon started rubbing my ass cheeks and as I did not stop him, so he rolled me over and started kissing me.He slid his hand down my skirt and rubbed swollen my clit through the thin fabric of my tiny cotton thong.I unzipped my skirt to give him a better access to my pussy lips.The guy got up to take his clothes off. Once naked, he shoved his face between my spread thighs and licked me from clit. "Know what?" Julie asked."The real reason my son is fucking my wife." My dad said."You mean it's not to teach him about sex?" Julie asked."Of course not; that's just a little bonus. The real reason that my son is fucking my wife is because I am infertile so we asked John to help us have a baby. So you see Julie, I could fuck you all day long at the peak of your fertile cycle and you would be perfectly safe." My dad said."John, you're helping your folks have a baby? That's awesome. If you can't. The orgy is a free for all, there is no asking for permission everything is allowed. People begin to find each other and as they fuck hands reach and grab their bodies, straight women are pussy licked by experienced bi women, straight men feel hands and mouths around their cock and balls while they lick pussy without knowing if its a man or a woman, women have 1,2 0r 3 cock in them at a time, double penetration and double vaginal. Cum glows in the blacklight, its running down womens legs and.