In diving we picked up speed, cold drafts of air smothered my face. I turned the plane slightly and lined up on the monster, as it began to flap its l...ng wings to gain altitude. Seeing us, it glided a moment to turn and face us."They're all swooping," Alfred exclaimed in a rising tenor tone as we flew over the town's red-stone buildings."Steady now, this is going to happen fast," I thought.Like a game of chicken, our speed built and the distance between the low flying wyvern and us contracted. "Now say sorry to Samantha." He looked at me very sheepishly "sorry sis." That's ok bro," I replied, trying not to giggle. After all, how often do you think you can see a mum telling her son off for not shagging his sister?So, this week hadn't been too bad, everyday, apart from Tuesday, when Henry took me and his mother to dinner, I had managed with just my rampant brother. Sitting in his car to the restaurant had caused my usual problem. Henry, very thoughtfully had picked his mum up first and. I felt a build up inside of me, and my prick began to throb lightly, sperm building up. Soon I would explode into his hand. I could feel his wonderful manhood begin to vibrate slowly, and I could only imagine what it would be like, a cock of that size, and his huge sac, erupting in orgasm, his warm cum flowing around inside of my hot ass.His pumping of manhood and stroking of my cock became more and more rapid, more fierce, more pleasurable. In and out, over and over, he stroked and pumped,. .. "That's a good whore, Cathy. Take all of my big black dick, you dirty cunt. Yeah, slut...you're loving having a real cock ain't you?" He was laughing as he said it. "Oh my God yes! I love your big black cocks! Use my married pussy!" Good slut." Then he spoke to me."Hey boy, lick your slut wife's ass while she's riding my big cock. Get that ass ready for Robert. Get it all wet and slippery 'cuz my boy's hung like a fucking mule. Ha ha ha."I crawled onto the bed and they slowed to a grind. I.