The black thong came into view and I felt my own dick aching in my pants.Ana yelled at me; she felt it was beginning to get out of control and she def...nitely did not like it at all.I told her she deserved a spanking; since she had behaved like a bad girl.So I spanked her bare butt and loved the sound it made.Anita gasped in both pain and surprise; she then attempted to wriggle over. I released her arm and instead gripped her just above her waist, with my leg still over hers. I spanked her. Limits.The procedure was only successful on those who were still in the latter half of puberty. Adding on the legal ramifications of experimenting on minors, the Project was only available to those in their late teens; legal adults, but still technically developing.Everyone participating had to accept a "99% chance of complete success." This was, rather than a promotional claim, an accurate estimate of the Project's success rate. Approximately 1% of the participants reported an "imperfect". I slid my hands down her body and pulled her underwear down just below her small but round bouncy ass. I pulled down my pj bottoms revealing my hard on. I pressed it against her back pulling her into me and wiping the few drops of pre cum on her ass cheek. With my hand I pushed her forward and lent her over the Bannister. Lubing up my member with her juices I slide my cock deep into her pussy. She immediately let out a way to loud moan and immediately covered her own mouth. I went slowly so as. She opened the door to the bathroom only to be shocked to full alertness. There was the man that had fucked Kat almost all night. He was black. He was 6 foot 5 in, 300 lbs, he had strong arms, chest and defined abs. He was completely naked, and Alyssa could see his tight ass clearly. This was very different from Alan who was a computer geek and was a little chubby.He flushed the toilet and turned around. Toward the sink and Alyssa, Then she saw it...his cock was at least 9 inches, and as think.