the car was full, she sat on my lap [MF]

I used to live in a small town in my early 20s where everyone knew each other. I mean, it's nice to have known my friends since childhood and stay close to them as adults. We're a group of five: Guilherme and Letícia (whom I dated during high school) are siblings, and there are Erica, Eduardo, and me. We usually plan group short trips to the neighboring towns (where all the fun actually happened) to split the gas money, and this time was no different. There was a small rock festival going on, and we planned to go there together, but a small problem came up at the last minute: Guilherme has now found a girlfriend, and, of course, she's going with us.

I don't blame him for wanting her to sit in the front seat; anything goes at the beginning of a relationship. The only problem now was sharing the remaining three seats between the four of us. Since it was a quick trip, someone would sit on someone else's lap, and that was it. Since Letícia and I are the smallest couple, we agreed on this together. It wouldn't be a problem, as we've known each other our whole lives. The jokes started early in the group chat about the "triple date" and I just went along with it, little knowing that Letícia wasn't just joking with me.

I was the last one to be picked up. The car was already packed. I opened the door and greeted the driver and my fellow passengers as Letícia got out so I could get in. That's when I saw how well- and slutty-dressed she was and smelled her perfume for the first time. A black dress that defined her curves, fishnet tights, and a thin choker perfectly contrasted with the sweet scent of her skin. I even hesitated to hug her, overwhelmed. I hadn't looked at her like that since we were teens. We got in as best we could for the hour-long trip that would feel five minutes.

Between gossip, cross-talk, and a little karaoke on the Bluetooth, the first bit of the trip is a dirt road. The rocking of Guilherme's car was violent enough to make us hold on wherever we could. Letícia was grabbing the passenger seat and I, in my turn, grabbed Letícia. The first time, I apologized, and she brushed it off. The second time, I grabbed her waist, and she quickly closed her arms and said "There, now you're securely fastened here" with a mischievous smile. I confess that was when my body heated up, and I began to notice more and more how our bodies were touching, especially from the waist down.

Our legs were already brushing against each other quite a bit, and my knee sometimes slipped through the slit in her dress. During the calmer stretches of the road, we'd relax, she'd press her back against my chest and breathe slowly, in a position where her neck fit perfectly against mine. As I was getting more aroused, I worried about not letting her feel my hard-on, but it was inevitable, and I figured she might be doing it on purpose. Confirmation only came when she took out her phone, opened our chat, and typed, "Someone seems to be enjoying the trip, huh?" but didn't send it and blocked her phone again. I laughed and said, "Yeah, awesome," to avoid any attention.

From that moment forward, I felt so much more. Not only because we were already on the highway, but also because she was doing more. I could feel her ass contract and relax repeatedly against me, and I saved like that too, adjusting myself so that my shaft was perfectly nestled between her legs. It was the first time I heard Letícia sigh. It was my turn to pick up my phone and type, "Is everything okay?" waiting for her response, and she responded with a laugh and "Of course, idiot." I took that as a green light and moved my hand up her thigh and slightly raised the fabric, giving me more space and more skin to feel. And the more I explored, the more she grinded on top of me.

I was breathless, so I opened the window a bit. The wind noise helped to muffle the moans we let out. We continued like this for over half an hour. A hand slid into my thigh, my ass slowly swaying, and a hand grabbed my waist or even my chest for a more pronounced curve. During one of those, I found other fingers pressing the fabric over her pussy, and I discovered that besides teasing me, she was also touching herself in the most undercover way possible. We couldn't do anything else, but I tugged at the fabric of her stockings and released them, gripped her hips tightly and adjusted them, and watched her bite her lip. The sluttyness perfectly suits her saintly demeanor.

Ironically, we were almost there when we got there. We didn't cum. Anticlimactic, I'm very aware, but it wasn't enough. Maybe on a longer trip I would have erupted right there and, if our clothes allowed it, inside her. But at the festival, yes, we did a lot of dirty stuff, but I'll leave that for another time so as not to make this story too long. And sorry if I made any grammar mistakes :)