Our juices squeezed out of me yet again. Thatswollen piston now seemed to be jammed in me airtight, immoveable, so Iclenched down on its base and ros... and fell on it, and found it wasn'tslipping in and out of me any more. Instead, my pussy was jerking himoff! That was a first! I quickened the pace and felt another mini-orgasm, a distant fanfare announcing a triumphant crescendo I knew wascoming! So I kept jerking him off with my cunt as if it were my hand,and continued my explanation. . It was like stepping out of a goddamned sauna, the ever-present rotting vegetation smell dispelled by the shuttle’s air purifiers. She heard Sousa laugh, and turned her head to watch the swarthy biologist chuckle.“I just realized how bad we smell,” he said, “like we ran a marathon and used compost for deodorant.”There were a few sympathetic chuckles, but it was more of an observation than a joke, and then Dubois’ voice rang out over the intercom with a hiss of static.“Ok people, I think you’re. “Do you want to go?” I asked, my own breathing heavy. Her hand still on my cock came alive and she stroked me in answer before shuffling around, onto her knees and shrugging off her jacket. Turning away from the window, she bent at the waist and swiftly engulfed my cock into her mouth. She took half of shaft immediately.I threw my head back and groaned as I felt her tongue bather the underside of me. Her hand snaked under me and grasped my balls, squeezing me and she tried to take more of. "Oh god yes!" Molly moaned as he pushed a finger inside her, pulling his tongue out and brushing it along her outer lips as he started to drive the finger in and out of her. Molly closed her eyes and surrendered to her brother completely, letting his sexual touches wash over her as she moaned. "Fu…!" she started yelling before she put her hand over her mouth as Zach brought the tip of his tongue over to her clit. She reopened her eyes and looked at her brother as he started tormenting her clit.