We had just gotten in the door and he was behind me, thrusted his hard against my ass and laughed. We began to wrestle a bit and him being the bigger,...more dominant one, he got me to the floor and got me on my stomach w my ass up, which I then felt him straddle me, hard on poking at my ass in sweat pants. J saying I'm the master, getting me in a headlock, hard cock pressing against my ass, asking who's the master? I tell him you are, you are! Now we had wrestled many times before and had. “I assume you all want to come?”There were six crisp answers of, “Yes Sir!”, with beautiful smiles on their faces.By now, fourteen years into the Sa’arm Era, everyone knew what becoming a concubine meant. You were your sponsor’s sex toy. You were a baby factory. The sponsor had life or death power over you. A concubine did what she or he was told to do, no matter what it was.On Earth though, things were not all that cut and dry. I decided to lay down some guide lines: 1) No Sex during your. The sounds of splashing water on the concrete floor made me look under the sink, to where the rusted plumbing was allowing the water to run out into my cell. I watched as the trickle of water went across the floor of the cell and down into a drain in the corner. Great!I had to pee, so I unzipped my jumpsuit and pissed directly into the drain. I was going to reserve the toilet for Number Two. After relieving myself, I went to the sink and looked at myself in the polished steel mirror, now rusted. The sensation coupled with the idea of me touching your ass drives you wild. With each thrust you push back harder forcing my cock deeper and deeper until I feel the head touch your cervix. I can feel you orgasm build and your anus clenches and relaxes as I thrust. You moan loudly and squeeze my cock with your pussy, gripping it like a milkmaid intent on extracting my cum. Then I push my finger just into your anus and you cry out and buck wildly in pleasure. Your legs give out as you fall to.