They sat directly on my balls.'Missy, what are you doing? Are you...Jesus!' I blurted, but she looked up at me with the sexiest of looks. As she spoke... she moved her tits up and down over my cock. The soft flesh felt exquisite.'Tony, please. Let me make you feel good. Don't stop me. You know you want it. You didn't just want to look at me forever, did you? Hmmm...See how good that feels? Yeah...Just close your eyes and let Missy take care of you. Let your big sister show you how good she can. With a glint in her eye, she headed to the next office to gloat.Gwen looked up at the knock and grimaced. “I don’t have time for this, Sue. It’s ten minutes after 9 o’clock and I’m already an hour behind.”“Oh, I’ll be quick,” replied Sue as she settled into the visitor’s seat. “I couldn’t help but notice that your team lost this weekend. Sucks to be you, doesn’t it?”“They’ll bounce back from the loss higher and better.”“Yeah, they’ve had a lot of practice bouncing, haven’t they?”“Don’t be a. ." I held my hand up to halt her and she did. She had followed my hand with her eyes, and was smiling wickedly and biting her lip. "Don't speak. If I ask you a question, only nod your head if the answer is yes, shake it if it is no." She nodded her head, and continued to smile. I walked around and up one side of her bed. Her eyes followed me but she kept her head and body facing the foot of the bed. I reached out and under her chin, turning her face up and toward me. I looked into her eyes. The. “You’re not an escort, are you? Do mom and dad know? When the hell did you start doing this?”She sat on my couch and looked at me thoughtfully. Then seemed to shrug.“I actually started when I was seventeen. There is a lot of call for young, tight girls. I could also ask you what you are doing calling an escort.”I blushed, trying my hardest to hide my hard-on. I knew she was my sister, and I never thought of her this way, but knowing she was an escort and that she came over to have sex with me,.