In appearance though, we're not that much alike. Mack has about30 pounds on me with brown eyes and dark brown hair, a muscular build andfootball is hi... sport. I'm about the same height as Mack but with aslimmer build at 120# and with dirty blond hair and blue-eyes - and trackand cross country are my sports. But there's just something about ourpersonalities that draws us together. That's not to say that we neverargue - I ended up with a black eye and Mack got a split lip during oneof our. "Anyway, this is my oldest, Shannon." Sean motioned to a fiery red-head in her early twenties. Shannon was taller than Mary, and had her father's lean face. Other than the red-hair, I wouldn't have thought Shannon was Mary's sister at all. She was dressed in tight blue jeans that showed off her firm ass and a lilac, peasant blouse embroidered with small, dark purple flowers down the V neckline."I'm so happy to meet you," Shannon exclaimed and threw her arms around my neck and hugged me. I could. We had learned things about each other that the other didn't even know. For example, I knew that her a-sis was very sensitive and that she wanted it to be touched.She'd only idly wondered about anal s-ex before, until that first time I teased her a-sis while I was going down on her. She pulled away at first, but then relaxed and didn't withdraw the second time. I had waited until she was close to o-rgasm before touching her a-sis, so any additional stimulation was bound to feel good. I had been. He'd studied his colleagues and done everything he needed to do to ensure the success of this venture. He had a pristine reputation with the Dean, no one would believe one lone girl with a failing grade if she actually tried to turn him in. She needed this grade, and she'd already said she'd do anything to get it.Roxanne slowly walked up to his desk and plopped down on the edge, a sly look on her face. Her demeanor had completely changed. She was no longer the shy girl of a moment ago. Instead,.