I was sitting in the chair on my naked ass, the porn pulled up, and I was ready.I had a video on of a guy/girl fucking. It was a hot one, straight on ...sex, him on top, just going at it, a lot of making out, kissing, and really getting into it before he came inside her. And all I could think about was Caitlin. Fantasizing that it was her, bikini bottoms and bra off, staring at that sexy fucking 16-year-old body. My dick hard as a rock, penetrating her, going inside her. And exploding when I. As far as influential goes, Whit Diffie and the other mathematicians who developed public key cryptography techniques are like gods; they quite literally changed the world."Thank you, Josh," I said genuinely, looking up into his eyes and smiling. "This will give me something interesting to read; it looks like I might have a free period." He visibly preened at my gratitude. "Tell me how you selected Whit Diffie. You didn't look up my Master's thesis on the internet did you? I used to love this. Those same hands Crysta had on her hips also pull Rin’s ass cheeks to each side, once again exposing her asshole. Denise straddles them both, and carefully inserts her cock into the girl’s ass. It is slightly painful at first, but the pain quickly fades into awe as the two cock begin moving within her. They rub against one another through the thin membranes separate each part of her.“Oh fuck!” Rin is gasping for air, the sensations are so intense. “This is so fucking great!” She sucks in more. I told her that I missed her this week and she gave me this loving smile back as she pulled her top off. I kissed her soft sweet lips again and then made my way down to her neck which caused her to moan and hold my head as I kissed down her neck to her shoulders and to her firm breasts. My hands caressed her ass and back as I sucked on each nipple and lightly bit them. Her nipples were perfect to me. Her areolas were a little larger than a quarter and the actual nipple was thick like the.