"What are you doing?" shouted Sharon, "get off him." Please I need it," wailed Jilly moving her hips rapidly on me.I tried to push her off but she clu...ng on to me with a vice like grip."I'm nearly there," she said her hips moving even faster then she fell sidewise off me with a groan."What the fuck do you think you are doing?" snapped Sharon sharply."I was only borrowing his cock for a few moments," she giggled, "there's still plenty left for you, so don't be nasty." He's my boyfriend," she. Thedildo was vibrating and she was getting more excited. Another vibrator was place so itwas resting against her clit and she soon found herself cum again. She did not know howmany time she had cum or how long and time became a blur. After a while the vibratorwas removed from her clit and something else place there. It had sharp pins on it andwhen she moved forward it would prick her causing a sharp pain, that almost was a cum.The next thing she felt was a cock or dildo at first she could not. “Fuck that’s good” I moaned and leaned my chair back, looking down as my sister sucked my cock like a slut. I ran my fingered through her hair and held her as her head bounced up and down in my lap. “All the way. Take it deep.” She managed to wink at me before pushing down, opening her throat to allow my cock to slide in effortlessly. She bobbed up and down, in quick shallow strokes, masturbating me with her throat. “Oh fuck… you’ve gotten good at that”. I groaned loudly as she deepthroated. Boys don't tell their mothers much of what's going on, I guess. I bit my lip, then sighed resignedly. Well,... maybe we really NEED a cabin weekend to get David and Mark ready for that one. What does Mark say?" I haven't asked him yet."Hot TubPhyllis' invitation to a weekend at the cabin was something to anticipate with relish. Each had been unique. These had become sensuous, wonderfully relaxing departures from the ordinary tensions of life. A pleasure, in other words.The heavy door banged.