I looked down at her lovingly. 'Now that both of them knew, and they had come so far, there was nothing stopping them.'I reached over and massaged one...of Angela's wonderful titties. 'What happened next?' I asked, anxiously. Angie grinned. 'Oh, the big brother's very big cock was still very hard; it wanted to be deep inside the little sister's pussy very badly.' Angie grabbed my stiff dick and started softly stroking. 'But now that they had decided they were going to fuck, the little sister. It was not long before my excitement overcame me and I shot a whole load of semen into his gorgeous mouth. I do not think that up until then even with women that I had ever had such a fulfilling orgasm and I fell to my knees.I knew I needed to return the favour and I began by kissing his balls and sucking on them one by one whilst a moan of pleasure escaped his throat. Unable to resist any longer I then took his shaft in my hand and guided it into my waiting mouth, licking up his salty pre cum. . Jason," I acquiesced."Very well," he smiled, revealing two rows of strong white teeth. "We are a research organization dedicated to finding out the facts about the human sexual function so we can wake up the American public with the truth. Our official name is the Sexual Experience Exchange, however we use the acronym S E X for short." "I see. "Our work in this community," he continued, "is to conduct a comprehensive survey on the sexual habits of both males and females. Our computer has. . stretching out my tight little hole.Suddenly, he pulled his fingers out and stuck them in my mouth. "Suck them, slut" he said, squeezing my ass to further enforce his dominance over me. I obeyed, sucking on his fingers that he had just used to stretch out my ass, moaning as I tasted my own anal juices. Without warning, he pulled them out of my mouth and, using his other arm, grabbed the back of my neck, turned me around and pushed my body forward, bending my naked body over the seat in the.