Savannah was sure that if any of their neighbours were outside they would hear the 'slap, slap, slap' caused by the impact of their bodies with each o... Mason's powerful thrusts, but she didn't care in the least. The loud moaning and groaning coming from the bedroom would probably also be a dead giveaway; it was impossible to stay quiet, to not give voice to the immense pleasure she was feeling. Mason tightened the grip he had on her hips and she cried out when he began hitting harder, and. In broken English he asked 'you like to touch?' I was just rooted to the spot, as he sort of offered me his thickening cock. I just stared at it then at his face then his cock. My hand, with a will of its own reached over and touched the first cock, other than my own, I'd ever touched. It was warm and seemed to throb to my touch as it grew in my palm. He put his hand over mine and closed my fist around it. For a few seconds I moved the foreskin back and forward over the growing bulbous head. We encourage you tomasturbate as many times as you like. As part of our experiment though youare also to rub this," he pulled out a vial from his pocket, "against yourvagina. It intensifies your orgasms."He went toward a monitor at the corner of the room. He picked upelectrodes. "These are to be near your vagina. It will help us taking areading of how intense your orgasms become. And then after today we willbegin injecting you with a serum that we hope will make the transformationoccur."Jackie. So I stick a finger in and she is soaked next thing I know she has my cock hard as a rock and is putting it in her mouth. It's one of the best blow jobs I have ever had next thing I know I coming down her throat she takes it all no problem. She says hey we have to stop this before we go too far I say I know and about then she just floods my hand. We stop get dressed and I tell her I will talk to her later.The next weekend she comes over and asks me if I can help her with her sink. So off we go.