She scratched at my back and chest, but the lust for my sister kept me on top of her. "No, no, don't," she screamed even though an increasingly large ...part of her wanted to feel the size of my cock inside of her. Suddenly I thrusted the entirety of my stiff cock inside of her. She instinctively moaned as she took all of her brother's cock for the first time. Her scratches on my back turned into grasps as I thrust in and out of her. It hurt with pleasure as her pussy took the biggest cock she. Her juices coating it became white and creamy form the treatment. Her whole body tensed and I felt her shudder as another orgasm ripped through her. She bucked and twisted about, and gave a long cry as she came, then went limp and seemed to sink into the bed as she relaxed. Before she could recover I removed the vibrator, took my cock and roughly stuck in her arse. She gasped at the roughness as I fucked her tight, puckered orifice. As she made a noise without my permission, I squeezed her tits. She had shared her most hidden self with him, had told him all the things she was ashamed of and afraid of. He had always told her that none of it mattered anymore, that none of it changed the way he felt about her. That is, until she told him that Hurst was her father. She kept telling herself not to be angry with Aidan, that everyone had their limits. Apparently, she had heaped one too many of her imperfections on him and he had been unwilling to bear the burden. But try as she might to keep. "It was indisputable logic. "Okay then, that's what we'll do. Our first model will be capped at five thousand gallons per day."I saw a smile on Kevin's face indicating he was happy with my agreement. Georgette gave me a squeeze with her good arm and a kiss on the cheek. It was unanimous.Four of us were tucked into Kevin's crew cab pickup as we hauled the first prototypes up I-80 toward Sacramento. I had finished my last exam the day before and I was champing at the bit to see how our units.