"Mmm, nice. Feel good to you, Bren?" "Really good, like I'm about to cum in a minute." "I'm close, too, it's just so calm but I can tell that I'm real...ly close." Then, I felt my sister begin to tremble as her moans became almost continuous. "Oh, oh, it's so good, so good, my pussy feels so good, just nice and slow, Bren, oh, yes, mmm, mmm," then she began jerking and thrusting back at me as I arched forward and my body drained into hers. I kept slowly fucking her even as I felt my cock soften a. It was always her call to get the train going.“It’s up to you, darling. You’re in charge” I said.The linesman got to work. She softly clutched my taut balls with one hand and then dragged the nails of her other hand across my inner thigh up into the super sensitive space between my scrotum and anus. I writhed a little as the tingling pleasure enveloped me. “Might need to plug in a power source”, she said as she pushed her finger into my anus, turning her digit round and making my sphincter. She catches my eye, smiling with enough sex to make me get harder still. As her gaze moves I slip away from my conversation and duck out though the kitchen onto the verandah. There are a few people but they are absorbed in their own conversations and I wander casually observing the people and interactions. Kerrie is in the window still alone for now. I can see her starting to glance around quietly seeking. I grin to myself and move to lean against the window sill from the outside.No one about. Another wake ... and another. Andrea, she who braved the seas under the Bridge ... the one who had no problems with motion all her life ... dashed for the side and made a purple offering to the gods of the sea.Purple?Cranberry juice and stomach acid ... purple.It is almost impossible to write the sounds of the violently ill ... she produced every single one of them.Just then, as she was in the mortal fear of leaving her 'intestinal fortitude' in the wake, the engine room vents SLAM open and the.