Although I tried to remain still to help him keep doing what he was doing, my body betrayed me by thrashing about as though I was trying to get away f...rom him. He valiantly held on as he rode my violent movements like a veteran who had done this before.My body was suddenly in overload. What I can only describe as an electric shock ran up and down my spine. My head buzzed and I was screaming for him to stop. He did stop and it was a few moments before I regained enough control of myself to. Steve knew there were a pair of pileated woodpeckers in these woods and thought they’d make an excellent subject for his assignment. He’d just gotten a particularly good picture of one when he noticed a young girl walking down the path toward him. She looked to be about 13 or 14 and had long blonde hair. She was dressed in white shorts and a pink top. She looked scrumptious, a wet dream with long legs and cute little tits that poked out of her top. Steve started taking pictures of this vision. I felt more than a few tingles in my groin given the proximity of these two spectacular rear ends only inches from my nose. The girls were giggling and a bit drunk still when they went into the extra room to change into something more comfortable. I did the same in my bedroom looking for comfortable clothes to relax in. I could hear shopping bags opening and a lot of animated conversation as the two girls retreated. I put on a pair of casual black sports pants with lots of room in the front for. I reach in, grab them, and began stroking my cock with them. My sister was chubby but not real fat and had nice panties of the time and had a nice set of tits. I was thirteen then and she was nineteen. I then decided to take the panties and head off to my bedroom so I could masturbate in privacy. Our bedrooms were upstairs except for dads, which was downstairs, but we only had one bathroom downstairs and to share.I got into my room, closed the door, strip out of my clothes, laid down on the.