"It's a possibility," she answered as she reached her head back to kissand lightly nibble the back of my neck. I whimpered with the intensepleasure a...d absent mindedly pushed my hips up slightly, making my nowfully erect organ stand out lewdly."But until things do turn in your favor, you had better behave youeager, needy boy," she said as she lightly slapped at the tent in myshorts. I whimpered slightly before trying to adjust my emotions whichwere running away with me."Um, yes Ma'am," I said. Your sister starts talking about how her girlfriend has been gone for so long and how badly she just needs to get fucked. She admits to you that her girlfriend is ok with her fucking other people when she can’t be around to fuck her. You haven't heard your sister talk like this since your bachelorette party when you saw her fucking a guy she brought home from the bar. You also notice that she is really flirty and touching you a lot. She smacks your ass and compliments you on how firm and big. His own hard cock was just inches in front of me, so once again lowered my mouth onto it, taking it deep. We both moaned in ecstasy, as our 69 position allowed much mutual pleasure from each others cocks. My hands stroked and wanked Dave's cock, pausing to squeeze and stretch his balls.After twenty minutes or so, I could feel the pressure build, my cock aching to explode, and going by the sweet salty taste of Dave's pre-cum, he wasn't far off either.'I'm going to cum soon Dave', I said.'So am. Now it was her turn and i felt her hand on my dick and she pressed and so this happened couple of times and when my own sis use to take the call i use to ensure that either my hand is under her cloth either her shalwar or her kameez pressing the breast over her bra and over her panty, this way things get better acquinted between us.After an hour we took rest and my sis went to make tea and i gab her and kissed her and she did not resist and we did for couple of minutes and now i have understood.