My little sister’s breathing was coming in gasps as she rubbed herself and I thrust in and out of her. I knew I wouldn’t last much longer and afte... a couple of strokes, I pushed as deeply into her as I could, groaned and began firing spurt after spurt of cum into her butt. She rubbed herself furiously and a few seconds later, her body shook and she moaned as her orgasm washed over her. I carefully leaned forward, and we touched our lips gently together as I pulled my dick from her butt.“That. If so we would then need to make plans about what the future holds for us. That would be up to you.”After a Pause, Julie said she would opt for the month’s trial and then decide if she wanted to go any further. She then asked me if I was going to fuck her now.“I am a virgin,” she told me, “But if you promise to be gentle with me, I would like that?”“Including accepting me as your master for the next month?” I asked.She lowered her head and I could not see her eyes. Then she said, “Yes! I will. You knew what you were about to witness, would stick with you for the rest of your life, but you keep on watching. Kelly, a woman two years older than me, was sitting on her desk, playing tonsil tennis with a girl almost young enough to be her daughter. I opened my mouth but nothing came out, I didn’t even breathe, I was that stunned. In fact they had gone past the stage of tonsil tennis and were busily trying to suck out each other’s brains through the mouth. Anna had hardly been here a day.. You must be my trainer. Please come in. said Claire. Thank you. I love your house. I said. Thank you. Please follow me to my home gym. Right this way. said Claire. I smiled as we walked into my office. Any great workout. Always starts with stretching. Put your feet apart. About shoulder length. Now lean down to each side, and touch your toes. That is perfect. Your doing a great job. I said. I stood there watching as Claire bent over touching her toes. Her huge breast almost fell out each time.