I can’t let go and enjoy the sensations. But I am a good girl, so I obey. I run my hands down her back, trace the curve of her ass with my fingernai...s (that gets a sharp moan out of her), caress her hips and the smooth length of her thigh. She loves it, I can tell, the air is thick with the scent of her arousal. But I’m not doing this to please her. I’m doing this to please Master. I keep glancing at him out of the corner of my eye, hoping he’s still turned on, hoping he’s proud of me. He is.. This fantasy first manifested when I was very young. Nearing eighteen years old it had become an all-consuming need. Despite my dominant attitude with other women I was very nervous about asking my girlfriends to submit to this level. It’s hard to share fantasies when your relationships never last very long. The other problem was I didn’t think I could find a woman who’d agree to my fantasy who was just a random hookup.There were quite a few women I often pictured myself with when this fantasy. The knob of his cock prodded her shitter, testing the tightness. He gritted his teeth and held her waist as he pushed his niece down into the bed.Uncle Cliff jerked into. her, with long, hip-thrusting stabs which made him bite his lips at the sensation. He could feel her ass-hole clasping the tip of his prick now, pressing against it and he could feel her legs flailing out, on either side; trying to avoid his entry.A long moan of pain burst from her lips and her body thrashed wildly under his,. "That was fantastic baby." I whispered to him. "Now it's your turn to cum." Not that I wanted our hot fuck to end, but I wanted to turn him on more than he's ever been turned on before and make his cock, plunging in and out of my cunt, harder than it's ever been. So, I began to whisper in his ear:"You like being a mother fucker baby? Hmm?" I said."Oh, I fucking love it!" he said."Mmmm, I know you do, 'cause that's what you are. You're a mother fucker. And your mother's your personal whore.