The 'formula', they called it now... was working splendidly. They would have to return periodically to observe the guinea pigs, but so far it seemed a... though the formula would work over a twenty-four period, going on and off approximately every two hours. In a few days it would be ready for testing on a human being.When Tim and Bennie left the lab, carefully cleaning up and turning out the lights before hand, they were elated by their own brilliance. Flushed and excited they walked briskly. Drool ran down my chin as I sucked and slurped. I made such wicked and wanton sounds as I pleased him. It was so naughty. I couldn't hold back. There was no stopping the pleasure about to burst inside of me as the three men in my family fucked me.My incestuous orgasm exploded through me.I squealed around Daddy's cock plunging down my throat over and over. His heavy balls smacked against my chin while my tight cunny and velvety asshole writhed and spasmed about my brothers' dicks. My flesh. Tom lay back, and let her have her way.'Tsk, tsk!' she muttered, 'fancy you trying to put this away.' She leaned forward, and, holding Tom's instrument of pleasure in both hands, she allowed the flexible tip of her pretty little tongue to explore it from base to tip. Gratifyingly, it plunged and throbbed several times while she was doing this, threatening to tear itself from her grip. But Miss Buchanan had not lived most of her young life in the land where they toss cabers without learning how. With you. This is all verystrange to me." But enjoyable?" I nodded. "How about this..." and started to pull metowards him and then guided me into sitting on his lap. He didn't haveto drag me, I made it easy for him. Held me with one arm and put hishand on my legs with the other. He whispered in my ear "is this fun?" Ismiled and nodded. And shivered. I wanted his hand to go further up mylegs.He sat up straight and looked serious for a minute. I was confusedagain. But then he shot a reassuring.