Step Sis

When I was 5 years old my parents divorced and I went to live with my father. A few years later he meet a divorced women with a girl my age. My dad and step mom married when I was 12 and I now had a step sister living in my house. Lynn was always coming into my room and bothering me and giving me crap. One day we started to argue and she ended up kicking me in the groin. I went right down and Lynn ran out of the room. It took me ten minutes to walk and I went to the fridge and took out a bag of peas and put them on my nuts. My step mom asked what happen and when I told her she yelled for Lynn and told her to get down here. Lynn said she was sorry and went to her room. I went to mine and after icing my balls I needed to check my plumbing worked. I locked the door and stripped naked and took out a few porno mags and started to look at the pictures. I was soon hard and jerked off a nice load and cleaned up and went to dinner. A few years later we went on vacation to a ski lodge and Lynn and I had to share a room. Lynn now was a good looking teenager, but still got on my nerves. We arrived in our room and saw we had a jacuzzi. Lynn said she wished she had a suit and I told her well go naked. She started to say she didn't want to and I was a pervert trying to see her naked. I looked at her and asked if she was chicken. Lynn smiled and said no but I was. I told her after we ski and eat dinner we will go in the jacuzzi. After dinner our parents went into the lounge and we went to our room. I was very excited to see Lynn naked and had been the last two years jerking off to fantasies about her. We arrived in the room and started the water. As it filled up Lynn and I were staring at each other. Once the water was filled high enough we turned on the jets and watched the water. I took off my sneakers, socks and shirt. I then saw Lynn do the same thing. I then took off my jeans and was close to being naked with a girl. Lynn took off her jeans and then unhooked her bra. I let out a breath and thought what great breasts she had. Her nipples were hard and they looked so soft. I then gripped my underwear and pulled them down. When I came up my dick was at full mast. Lynn looked at my bouncing dick and pulled down her underwear. She then spread her legs and I saw her vagina and when she turned, her ass. I looked at Lynn and told her hot she looked and Lynn said the same. She also said my dick looked a nice size. I told her she breasts were amazing and her ass was hot. We climbed into the jacuzzi and after getting settled I felt her foot on my dick and balls. I looked over and Lynn was smiling and said she was really sorry she kicked me. I told her I deserved it. I then said for the last two years I have thought about her while masturbating. Lynn smiled and said she has watched me a few times when the door was still open. I laughed and asked if she enjoyed the show. Lynn moved over next to me and I felt her hand close around my dick. She then pumped me for a few minutes and when I was close told me to stand up. I did and she closed her mouth around my dick and I came in her mouth. After she was done draining me I told her that was amazing. I sat down and moved my hand under the water and was returning the favor. I rubbed her pussy and started to rub her clit when she started to ohh and bucked a few times and then relaxed. I asked if she had a orgasm and she smiled and said yes. We got out of the tub and dried each other off. Lynn asked if I was a virgin and I said yes. When I asked her she said yes also. We then snuggled and fell asleep until morning. We continued this until we left for college.