"Beg for it bitch," he demanded. "I know you want it." Please fuck me," I pleaded between licks of his partner cock. "I need your big cock inside me."...Oh god," Alicia moaned as her body shuddered from another climax.I held the uncircumcised cock in my hand and sucked the foreskin into my mouth as the other cock slowly penetrated my ass. The sensation was incredible. I groaned loudly from the delicious combination of pleasure and pain as six inches of hot flesh filled my ass.He pulled back. Still in a bit of a daze, I helped Margot get undressed and I put her to bed, nude but still wearing her butt plug. It looked good in her and since it was only barely smaller in circumference than my cock, I thought it would be an excellent part of her training.Sadly, I was already beginning to resent that I only had a few more days to spend with her. I was beginning to think of her as 'my' slave and not just an object to be used and humiliated.I didn't sleep all that well that night. I was. But I've got the money now. And I can wear it for work . . ." She said winking."Okay. Enough on that; which movie shall we watch?"Natalia put on a determined face suddenly. "Daddy, I've picked the movie. It's on here." She patted her computer and sat down next to me. "We're going to watch one of my movies, from my site." What?! Darling, no; absolutely not." I strongly objected."Will you trust me, Dad?" She implored. "I want to show you what I do. I like doing it and I want to share this part of. It won't be much longer now. In, out, in, out, her master zealously plunging deep, deep inside her. Then, as if the gates of haven opened, she releases into a maelstrom of pure, unadulterated, pleasure. She grabs her master and pulls him tightly to her body, holding him close. The effects of her climax continuing to dominate her body. Once she’s able, she thanks her master, managing only to whisper an exuberant "incredible" into his ear. Then, feeling her master begin to withdraw, she becomes.