Sally is slim with auburn long hair long legs and nicely shaped breasts - we enjoyed plenty of sex often when warm enough going into fields and gettin... daring with the possibility of being seen, often behind stone walls next to busy roads and in woods where there could be walkers, we were (as far as we know) never seen.Sally admitted that she is a bit of an exhibitionist and on holidays would always go topless and smile at men giving her admiring glances, I didn't mind and got quite turned on. I am currently in the house, playing some video games in the living room. Although, my younger sixteen-year-old brother, Alex, is up in the treehouse. He's been up there for hours, doing who knows what.When mom is halfway through hanging what is in the laundry basket, she looks up at the treehouse.'I wonder what he's been up to,' she thinks to herself innocently.She leaves the basket and decides to go to the bottom of the ladder."Hey, Alex, honey...?" she calls out while looking up at the. The curtain started to open and in my panic I tried to take a couple steps back so she wouldn't catch me staring at her gorgeous figure through the thin piece of plastic. My plan didn't quite work out as well as I had planned though because my pants had fallen lower than I had thought because I had forgotten to zip them up. I fell straight back and hit my head hard on the tile. WHAM! As soon as the stars cleared from my vision a few things became apparent. My erection was still full blown. My hard meat had been rubbing against the sheets held tight by her legs and feet that were holding my arms and body in place. She shuffled around and pulled the sheets down with abandon and propped herself up to fondle me.As she regained her strength she stood up on the bed and bending over at the waist began sucking my dick all the way down to the root. Her nose and chin resting against me. I could feel her tongue thrusting and twisting my sensitive rod that was all the way in her mouth and.