My mom and dad have an unusually large sofa, which is how my sister Liz and I ended up making out on it.
We were making out with the Lees from next door. I was making out with Jenny, and Liz was making out with Dan. Our parents were down at the shore for the summer and we had jobs and money and a car and that great big sofa. Seriously, that thing was wide enough to sixty-nine side-by-side on it without fear of falling off. And it was long enough that both Liz and I could lay with our feet at the ends, heads in towards each other, and still have room between us for a tray of beers and popcorn.
We had grown up with the Lees. They had always lived there, and we moved there when Liz was five and I was three. Dan was Liz’s best friend when they were little and Jenny was mine, until we switched some time around middle school. We weren’t quite as tight through high school, and had more or less dropped out of each other’s lives through our first years of college. But this summer, it turned out we were all in town. We had boring jobs, Liz and Jenny at the mall, Dan at a housing development mowing lawns, and me scooping ice cream at an outdoor shack by the lake. Dan was 21 and could buy liquor, and Liz had a good connection to get cannabis edibles. And we were four pretty good-looking kids. If any of us had boyfriends or girlfriends at college, and we all did, they were a long way away.
So that summer night, we all were on the couch, and in the dark while we watched the movie, with no real discussion or plan, I started making out with Jenny, and Liz made out with Dan. Just kissing. Hugging. Stayed sitting up. Just a fun, low-key make-out session. When the movie ended, the Lees went home. Liz said, “Did you like making out on the couch with your sister?”
I gave her a look of total confusion before I figured out how she’d meant it. When the penny dropped, it must have shown right on my face, because Liz cracked up hard.
Another night, a week or so later, it was just Jenny and I alone. We were watching a movie, and Jenny said, “Why don’t you sit a little closer, Art?” When Liz came in from her job about an hour later we were both buck naked and fucking on that big sofa. Jenny had her legs up on my shoulders and I was pounding her, deep as I could get. I didn’t have a condom that night so I pulled out and shot cum all over her stomach and up on her tits. I looked over and there was Liz, leaning on the door frame and watching…
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Source: reddit.com/r/eroticliterature/comments/n7nzk4/brothersister_double_date