But it's my first time. You have to tell me what feels good and what doesn't." It feels good, ... oh it feels so good," she squealed. "Please don't st...p." Your wish is my command," I said as I leaned back down to resume my oral ministrations. I concentrated on giving her clit a lip and tongue massage while I tried to insert a finger into her pussy. Her twat was so tight that I could barely get my index finger in without hurting her. As she relaxed a little it became easier to move my finger in. Her short grey skirt was cut well above her knee showing a nice spread of long teenage leg. ‘I am sure you would like some coffee, uncle.’ She said smiling with the tray in her hands. ‘Well thanks baby. That’s very nice of you. Put it down here.’ I said pointing to the night stand. She bent down to lower the tray showing more of her silky soft boobs. I tried not to look, but not too hard and she sat on the bed beside me. She has been growing being an exceptionally great looking woman.You were. Are you sexually active, Mandy?” His heart fluttered as he asked, wondering at his motive for the question. Knowing, all the while, that he might in some way be betraying the implicit trust in him as a doctor. She blinked and flushed slightly. “N-No,” she said. “Well, I mean, I have…but…” “That’s okay,” he said, making an effort to sound neutral. “I have to ask. Do you have a boyfriend?” “Not at the moment, no.” She tilted her head at him, a gesture that virtually brought her mother to. ” she gasped, as she felt his cock slam deep into her cunt, harder than she imagined possible. He pulled halfway out, paused, then fucked into a few times gentler, then he resumed his brutally hard thrusts.“UUUuuunnggaaahh… Yeah, Fuck Me!” Sandra groaned, as she arched her back and rammed her ass back toward John, allowing him to fuck her tight little cunt even deeper with his hard prick. Firmly grasping his stepdaughter by the hips, he fucked in and out in a steady pounding thrust, sinking.