I paused but agreed as it was bad enough trying to hide my hard on under my coat but if I had of said no getting home on the bus would be really awkwa...d.We met up and she drove us to a lake about a half hour away.On the way I nervously explained it was my first time. She calmly put me at ease which helped but it didn't nothing to ease my trouser pressure.We walked to a somewhat secluded spot beside the lake bank and next I know my cock is in her mouth. I'm looking around and I can see passers. Bending over the bench again I watched as the Mistress smeared the dildo in lubricant. “Are you ready slut” she said. “Yes Mistress. So ready. Please fuck me Mistress”. The dildo aimed at her pussy it was pushed forward, Cathy squealed as she felt it open her up. Working back and forth she had taken about half. “Give me more Mistress. I want it all” Cathy cried. With that the strap-on was thrust all the way into her. Cathy screamed and wailed “yes, oh God yes” she yelled and I watched as my. We had all done our naked runs around the apartment block and the girls had flashed guys walking on the street below. Frank decided to up the ante a bit. He dared the girls to full on kiss. Jen looked at me and I said it is a dare, you have to do it. She smiled and said remember you said that. As they began kissing the sight was more than Frank and I could handle and we both got instant erections. The girls noticed this too, smiled and whispered something to each other. It was Janes dare next,. Your mascara is running now from your eyes watering, a result of my cock repeatedly banging into the back of your throat. I continue to pound-fuck your throat, my cock seeming to reach new depths into your throat with each thrust. I know you are having trouble keeping your breath now, and to make it even more difficult for you, I pinch your nostrils closed, cutting off your easiest access to oxygen.I fuck your face a few more thrusts, then, pressing my hand against the back of your head, I bury.