Even though I have mostly grown out of it, through my teens and even into my twenties I was a tomboy. I loved sports (still do), dressed like a boy most days and acted like a tough kid around others.
When I was about 14 or 15, my family moved into a brand new subdivision and we were one of the first houses to be built. It was kind of lonely, only being able to see my friends at school or talk on the phone that summer, but I got used to it after a few weeks. One good thing about it though, houses were being built all over the subdivision, and when no one was around I would sneak in and just walk and look around. Climbing the ladders and sitting in the equipment outside was fun to me. That summer was also when I really got into masturbating, and I would explore all the different ways and places around the house I could do it. It didn't take too long before I got the idea of masturbating in one of those houses.
One morning I woke up with the sun, dressed light and snuck out of the house, walked to one of the sites towards the back and went in when I knew the coast was clear. I climbed up onto the second floor and after a couple of minutes I peeled off my shirt. I stood there playing with my hard nipples and rubbing my belly, then kicked off my slides and pulled off my shorts and panties. For the first time in my life I was naked outside of my house or someone's bathroom, and it was incredible. I had goosebumps all over, walking around the soon-to-be bedrooms, feeling the warm air covering my body and getting my feet dusty and dirty.
I sat down in front of one of the windows and spread my legs apart, exposing my pussy to a whole new world. I barely even had to rub my lips before I felt my orgasm starting to build, and when I moved to my clit, it hit me like a bolt of lightning. I yelped and rolled around on the wood floor, kicking and gasping for air. I had been giving myself orgasms for over a year by then, but that one was my best to date. I laid there for a minute but I knew I had to get out of there because the crews could start working at any moment. I threw my clothes on and hurried out, but when I jumped down I misstepped, and when I got back to my house my feet and sandals were covered in mud. Just my luck my mom was already outside working on her flowers, and when she saw me she knew exactly where I was. She told me she didn't like me around those houses, but if I was going to go to be extra careful. I then rinsed everything off with the hose, and when I was dry went on with my day in my own home.
For the rest of the summer I still explored the houses being built and masturbated many, many times outside when I could, but after that day I was much more careful.