He liked the way she moved her ass, and he watched her ass wiggle in her tight jeans. Bobby, a year younger than his sister, had been going out to the...shed on the average of twice a day and jacking off while thinking about his mother. So far, his sister had not interested him that way but his mother was the most beautiful woman in the world, and when he discovered he could jack off and come like crazy, it was always her body he had in his mind.When he entered the living room, he found his. They came in, we got majorly hugged, and began the process of getting me on with life. And Derek.Derek’s twelve. What in the world ever prepared me to be the big sister/parent to a twelve year old boy? The answer is NOTHING. They don’t come with instructions.Worse, I have the smart version. Dad and mom used to tell me that they had the brightest kids they knew. For a while, I chalked that up to a proud set of parents, but the further I got into school, the more often I noticed that I caught on. Her mouth was open and I could hear her as she moaned. Her other hand was rubbing something against her pussy. It seemed to be making the sounds I heard. It was touching her and then going in and out of her slit. She was fucking herself with what I later learned was a vibrator. I could see her body shaking. I unzipped my jeans. My cock was getting hard very quickly. I fished it out and started to jack off. My strokes were strong but slow at first. God, you have no idea how good it made me feel.. I open my car door, step out and lock it up behind me, a bit concerned to have locked my purse in it in a park where I am basically alone and defenceless, and move towards his car. " Do you wanna get in?" he asks. I say "no, not a good idea, how about we take a walk" He didn’t hesitate to get out of his car and lock it up. I started walking, only looking back once to be sure he hasn’t bolted. I wander near a group of trees while this strange young man followed close behind. I find a spot where.