My stepsister Lisa: home alone

I was quite you young when my parents divorced and like most kids, I didn’t really care about what happened around me. At least not until my mother decided to move in with her boyfriend a year later. Suddenly I had to live together with people I had only seen a handful of times, strangers basically.



One of these strangers was a girl named Lisa, who was a few years younger than me. I never really paid attention to my new step sister, not until we went on a holiday to Italy some years later. Now being a horny adolescent, my interest in girls had certainly grown over the years.



I’m not sure why it happened then exactly, but the first time at the beach I couldn’t help but notice how much Lisa’s body had changed over the years. She had grown up to be a beautiful young woman, about 1m65 tall, with long brown hair and vibrant green eyes. Her bikini made no effort to hide her perky boobs or firm, round ass. I couldn’t believe what I had just discovered. The girl I had been living with all these years was actually kind of hot? During the remainder of our trip I took every chance to stare at her developing body, noticing new details each time. Her lips looked soft and red like cherries, while her legs were long and smooth, as if made from silk.



From then on out, I put a lot more effort into getting closer to Lisa, both literally and figuratively speaking. We would spend time at my room sitting on the couch, talking about school, friends and anything else that came to mind. When we watched movies, sometimes with my brother and stepbrother present as well, I always tried to sit next to her. Every time I did, she seemed to move closer to me until our bodies were touching. The feeling of her warmth drove me crazy, to the point where I can’t recall the plot of most of these movies. Sometimes, she would start rubbing my leg with her foot. I had no idea why she would do this, but when I looked at her, trying to get an explanation, I would only get a cheeky smile back.



This continued on for about a year. I took every opportunity to check her out. Her practicing yoga in small shorts or coming back from dance classes in tight leggings were golden moments for me. To get to my room, I had to walk past her door. When I was lucky, I could catch a glimpse of her hanging out in just a loose shirt and panties. She caught me looking numerous times, but didn’t seem to mind as she just started a conversation or just smiled back at me. I also grabbed every chance to feel her body. When we had to cross each other in tight spaces like the stairs or a hallway, I would let my hand brush against her ass “accidentally”. When she was teasing me, I would poke or tickle her as revenge. This went both ways, there were at least a few times where her hand brushed up against my crotch and seemed to linger for longer than it would have, had it been accidental.



One afternoon I was minding my own business watching videos on my phone, when Lisa entered. She explained to me that she was bored, so I asked her what I could do to solve her problem. She told me that she needed somebody to compete against on her new Nintendo Switch and that I was the only one home. I wasn’t going to pass up this opportunity to spend some quality time with her, so naturally I agreed.

On the way to her room I got a nice view of her perfect butt. It was the height of summer, so she was wearing shorts. These ones were borderline big enough, they sat tight around her ass and part of her cheeks popped out the bottom. She had her room set up in such way that you had to sit on her small, twin-sized bed in order to see the TV. I sat down while she crawled across her bed to turn the console on. As she was sitting on her hand and knees, setting everything up, the Switch wasn’t the only thing getting turned on.



“I’m sure you’ll win like this, great tactic”, I joked.



“Huh?”



“I can’t see the screen, your fat ass is in the way”.



She gave it a teasing shake to respond to my comment.



“I’ll slap it out of my way if I have to, better watch out”, I said.



“Oh noooo”, she exclaimed while she sat back down against me.



She handed me one of the controllers and started the game. A few rounds of mario kart later, we arrived at the final lap of the tournament. I was just about to win, when she sprung back into her earlier position, blocking my view. Not being one to break a promise, I put down the controller and hit her firm on the ass. The sound she made was somewhere in between a scream and a moan, but definitely leaning towards the latter. She seemed to have surprised herself with that outcry, because she immediately covered her mouth with her hand.



“I can’t believe you slapped my ass”, she squealed.



“Well you were clearly asking for it, waving your butt in my face after I warned you”.



“That’s not true at all!”, she said while she launched an attack.