I drove to a local industrial estate that, as it was weekend would be deserted. I drove around for a short while, before parking up at the end of a qu...et street. This was where they park the lorry trailers when not in use. What I didn’t know, was that not all of them were, ‘not in use’I set my camera rolling and started walking up and down in front of my car, stopping every now and then to adjust my stockings and pout at the camera when, to my sheer horror, I saw a man standing, looking. “Swallow it all, bitch!” he ordered and let loose a victorious roar. And I swallowed. I felt like a true slut, gulping down every drop of cum and cleaning his cock. “Well, well, I can see you enjoyed that.”I nodded again.“I want to hear you say it.”“I... enjoyed sucking your cock.”He slapped me again and I almost fell down.“That's 'sir' for you, slut. You should be grateful for being allowed to suck it. Show some respect!”“I enjoyed sucking your cock, sir,” I repeated.“And what else did you. I was down there got one of my fav's and had pulled the cock out jerking, I was going thru the pages and jerking harder and harder. Listening to hear if anyone is coming down the stairs. But must of been going at it pretty hard when I looked up and dad was standing in front of me smiling and grabbing his crotch hard. I was like shit, sorry, he said dont worry, I wont tell your mom, but just make sure she isnt home when you are going at it like this. I tried to cover up and put it away, he said. She did not hesitate and spread her legs and pointed to her pussy. I quized her some more and she explained it in more detail, then she opened her pussy lips showing me her hole. Again I played stupid and she explained how how a man squirts sperm up inside and the whole process. I got down and looked at her pussy up close. I could smell her and it made my boner even harder. I asked mom if I could touch her and she paused for a moment then said yes. I touched mom's soft, wet pussy. I ran my.