I simply could not speak. I put my left hand around the top of my c**k and began slowly stroking. Audrey smiled and chuckled playfully. She ran her hands through her long brown hair, then went back to work on her p***y. The thong didn't quite cover her asshole and cunt, which I could see was not completely shaven but very neatly trimmed. Her legs, wearing the black stockings and heels, were exquisite; long, lean and smooth. Her t**s bounced a bit as she massaged her cunt, and she looked back at me and watched my fist pumping my pecker. She was getting hot. 'Yeah, baby...You like to watch me rub my p***y? Hmm?' I hoped she wasn't waiting for a response to her questions because I had lost the power of speech. I sat mesmerized as my sister sat up, smiled at me, and slid a hand under the top o

