Inch by inch. I can almost feel the outline of his cock sliding through my fuck tunnel. I'm on my knees and he is riding me now like dog fucking his b...tch. I feel dirty and it makes my cock hard as a rock. I feel a drop of pre-cum forming on the tip of my hard cock. As if he can feel it too, he reaches and strokes my cock, smearing the pre-cum on the head, then rubbing my balls gently. I'm in heaven now. His cock is almost fully buried in me. I can feel his head almost rubbing against the end. So now I had to plan for todays night and I wanted it to be special, because today night I wanted to fuck my sister. I quickly took bath, eat breakfast and sat in front of computer and started researching about Viagra, anti pregnancy pills,virgins etc. Around 2.00pm I went out and buyed 1 packet of Viagra, 1 packet of anti pregnancy pills and was ready.As usually after having dinner around 10.30pm my parents went up to sleep. I quickly ate 1 Viagra and asked my sister to close doors and. Marie quickly realized if she were to kneel on the ‘legs’ they would support her from her knees to her ankles while lifting her pumps slightly off the floor.Attached vertically to the legs was a padded board, a ‘chest plate’ she thought, with a wide leather chin rest. The breastplate had two cut outs that sprouted, on the side towards the bed, two half cups that Marie knew would exactly fit her breasts. Extending from the breastplate were two armrests that ended in padded velvet covered grips.. The small triangle did not cover her love mound. Kimberly was shaved bald from what I could tell.I invited her out to dinner that evening. At quitting time she went into a patient’s room that was not occupied and used the bathroom. Moments later she came out displaying the bright orange G-string panties. She smiled and handed them to me. Then Kimberly lifted her top a little and dropped her pants just enough to show me that she had a small patch of dark brown pubic hair on her love mound. I.