My Mistress turned round and said to me that she would punish me later for not keeping the plug in. She came up behind me and I could feel the tip of ...her strap-on cock pushing against my arse until she slipped it in and started fucking me. I was being completely and utterly used. She fucked me hard and fast like the slut that I am. Throughout the fucking she told me what a dirty slut I was. How I must be a sissy whore to like it up the arse so much. She told me next time she would fist my arse. The reason for that was that Darla, was the best cock- sucker of the bunch. Watching her had been a real turn on. She really got into it and the boys seemed to favor her from what we had overheard during the week. Once it was good and dark, Sam and I snuck over to the empty barracks and taped cardboard over the little windows, so nobody could look in and observe us. The doors were locked, so anyone looking over or trying to get in would think that it was locked and dark because it was. Do you remember the club?" Oh my god yes! I was there a few weeks back and even sat in the same booth. I didn't recognize anyone and I'm pretty sure they didn't recognize me." How could they, you look so very different. I would have walked right past you."She grinned, "Maybe past me, but I bet you would look at my ass! You might be married, but I doubt you've changed that much."I think I reddened slightly. We sat there for well over an hour reminiscing. She said she had to hit the loo to. We were all in the gym and she was giving the girls training on how to do the high jump, I watched as she would bend and flex showing them how to land after the jump, my cock was starting to twitch and we were just about to start running which I knew was not a good idea so I asked the teacher if I could go to the toilet, he said ok and to hurry back, I headed off and went into the girls locker room and saw the teachers bag, I looked through it and found a pair off her panties I almost shot my.