Invited me and my BF over one evening for drinks. I think my BF had previously told Bill that we were swingers. So the evening was a set up for some h...t hot 4-some sex. Well it didn't take long for things to get hot. Bill told Sherri to pull up her skirt and show her naked pussy. She wasn't wearing any panties. Bill said that she never wears panties at home, because she's such a slut. She sat on his lap, spread her legs wide and started rubbing her clit. Then Bill asked me, "Are you a nasty. Sex is almost always simmering in the back of my mind, affecting everything I say and do.At this point in time, I was wriggling my ass in my chair every other moment. I do it when I get excited. I do it when my master gives me a look. I do it involuntarily, like a tail.He caught my eye as I was listening to two friends swap related experiences.He patted his lap and said in a low voice, "C'mere."I was out of my chair quickly and smiling. No sooner had I gotten to my feet, I was on my knees at. You are such a clever lover making me wait like that!You know how much more the pleasure if you are forced to waitfor something. You stopped licking sucking and lickingme and moved away lying on your back your manhood rearingup proud and strong.“You remember your promise, little one?” You said. I couldn’tspeak so nodded my assent. You told me you had somethingfor me but first I must mount you from above. I sat astrideyou, I was eager for the penetration that would bring myrelease. I lowered. Just relax and do what your told to do. It is always difficult the first time”, your mother says. “But mommy, he’s has me so exposed! To all those people...and to you!” Your mother starts to gentle rub your bottom while I continue to move my fingers up and around the lips of your cunt.“It will all be okay. Although the waiting room is pretty full and they are all watching your examination. You can’t say you don’t like it honey. The stream of juices from you is forming a puddle on the floor.”.