I placed one knee on the bed as she was still on her side with her ass facing me. I thought I would rub my cock between her ass cheeks. If I did this ...ithout entering it would not disturb her. (hey, what real experience did I have at 15!)So there I was, hovering over her body on one knee. I placed my cock between her heavenly ass slit and slid between her ass crack with the aid of the cum slime at the end of my cock. I was now rather firmly sliding in and out of Lilly's ass cheeks with a little. "Buck! Are you ready?" said Brenda. "Just a second Brenda." I said. I stood up and walked over to the far corner of my basement. I opened the door to my garage. I had built a small wooden stage in the middle. About 4ft by 4ft. With a big brass pole in the middle. Some lights and a small sound system inside. "Grab your chair fellas. Right this way." I said.I watched as the guys all walked out to the garage. I had them put there metal chairs around the small stage. They all smiled as. I was very aroused, my own little nipples hard, my pussy wet, and I realized I was aching to touch herm my own hot fucking sister. I put the heel of my right hand against my clit over my tight jean shorts and began grinding down on it,Kristy continued on, oblivious to my frustration in the closet, running her hands down her soft belly, caressing her lovely skin, tracing circles around her bellybutton with her fingertips. I kept my face pressed to the wooden slats of the door, watching intently. I still had another fifteen minutes to wait before I left.Michael and his girlfriend, Gayle, were in the family room with my dad, trying to watch TV. I kept on walking in front of them.Finally, Michael growled, "Sean! Sit down, for Chrissakes."I glanced at them, startled to find them in the room with me. "Can't," I said.Gayle was lounging with her back against my brother's arm. She was a tall brunette, leggy with what my dad called "good, childbearing hips," which I loosely translated as having.