"You're a natural." She told me I loved it. She told me I was a cock-slut now. She told me she was my mistress. And she began to fuck my ass.In and ou..., fast and hard. My cock was hard against the sheet below me and the thrusting movements of her hips as she pumped the big plastic cock into my bum, over and over, were causing me to rub myself off against the bed. She lifted herself off me and pulled me to my knees by my hips.I was on all-fours now, getting fucked by this woman. She grunted with. She was a beautiful girl in her own right, but she seemed pale and bland next to Kelly. “Huh?”“I asked who that was! Well?” she demanded.I turned to face her. “That was Kelly O’Connor. She used to live down the street from me. She moved away years ago. I guess they moved back.” I glanced back down the hallway, but Kelly had turned the corner and was gone.Tilly slugged me in the arm. “Well, you can tell her you’re taken!”I gave my girlfriend an exasperated look. “Tilly, get real. I haven’t seen. We chose a saturday night to it. I had to be the first one to leave the house, so she just waited for me to start leaving. Until that time we texted. When my parents and sisters and brother finally slept, I slowly and silently started to leave my bed. Putting on more than my pyjama and my socks would have been too loud cuz my room is underneath the roof and my parents sleep under me. Once I was in the hall, there was the first challenge. The stairs to the first floor are wooden and some of the. My arms held behind me, I simply opened my mouth so hecould start fucking it as hard as Mike was fucking my pussy.My body was completely at their mercy now and I submitted gratefully,thrilled at this new experience of two cocks at once. I had seen thisand fantasized about it before my transition but the fantasy and theanticipation hardly did justice to the reality.A third orgasm vibrated through the core of my being, and Mike suddenlydropped my arms as he slid out of me. My face landed on the.