When Saya ran, she could let the world around her fall out of focus. One step after another, she focused on her breathing. Every step was a greater strain on her lungs. The build-up of lactic acid in her legs was beginning to weigh her down and make her legs feel a bit shakier, but she kept pushing. Cool morning air pinched at the exposed gooseflesh of her thighs, pussy, and legs, but her diaphanous polyester windbreaker clung uncomfortably warm and sticky to her chest, torso, and arms. Despite her breaths getting shakier, she knew she could keep pushing for another mile or so before slowing down.
If she ran fast enough, she wouldn't have to think about her dad rotting on the sofa in front of the TV or how she couldn't pay for the next semester of college bills. Just one more step, just one foot in front of the other. Her ratty sneakers split at the seams with every step, but she kept pushing.
A man, about her age, started to run beside her on the narrow sidewalk. He was lean, fit, and totally naked, even eschewing shoes. Around his bicep, she could see his phone in a clear plastic case. Full nudity was unusual for the weather, but the thin sheen of sweat on his muscles implied that the cold was likely a non-issue for him. He caught her eye as she was staring at his taut muscles.
"Hey," he said. His voice was only slightly winded from the run, and Saya felt a bit jealous.
"Hey yourself," she replied.
"Run this way often, sweetie?"
She gave him a quick look of annoyance. He wasn't bad to look at, but he was far too chipper for her tastes. "Once in a while, what about you?"
"On occasion, I like to mix it up," he said. He was keeping pace with her now, his footfalls nearly matching hers. Thinking back, she couldn't remember the last time she had a conversation this long with a stranger.
"I'm Cass. What's your name?"
She had to do a double take when she looked back at him. His previously soft cock had hardened and nearly tripled in size. What had once been an unremarkable cock had transformed into a tasty erection bounding with every step. For a moment, she felt a rare bit of appreciation for her appearance. Internally cringing at her momentary pause, she rushed to say, "Saya."
"Wanna make a turn and stop?" He said, clearly picking up on her cue.
Saya blushed a little, running a hand through her hair and unzipping her windbreaker down a little further. She liked the versatility of having a jacket she could open and close, even if it showed off her nipples either way. The sidewalk split, and she ran towards the wooded park trail instead of the road. Running a bit further in, she felt that they were enough off the beaten path that they didn't have to worry about any children finding them.
Looking down at Cass's feet, she could tell they were nicely calloused, unlikely to be injured as they ran through the muddy forest path. She wondered what he thought about her beaten-to-shit sneakers, but she didn't like talking about sensitive topics with strangers. Seeing how his cock was hardening and pulsing as they caught their breaths, it probably wasn't a big deal to him.
"Adventurous aren't you?" He asked with a smirk.
Saya shook her head. While it was technically illegal to have sex in non-designated "public" spaces because children might get exposed, it was rarely enforced unless the participants kept at it after they noticed the minor. Besides, she liked the risk, and given the way her partner was looking at her, he did too.