My writing, also posted elsewhere.
Disclaimers: NSFW. This has F/M fart fetish content, so if you're not into that don't read. All characters are 18+, readers should be too. Sections are marked by dotted lines, so for the plot heavy sections feel free to skip to the next set of dotted lines, if you'd like.
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The first thing Red noticed when he woke up was the soreness. His chest was sore from when he had been knocked off of the ship he was on during a battle with pirates, and his back was sore from when he hit the water before being saved by his captor, Isabelle, and his arms and shoulders were sore from sleeping with his hands bound behind him. It had been a hot and humid night, and it had taken him a while to doze off after Isabelle had let him lie down on a blanket by the fire.
The second thing he noticed was the smell. It was like rotten food and stale milk, but given what his captor had done to him last night, he had an idea of where it was coming from.
He rolled over and opened his eyes just in time to see the curves of Isabelle's ass descending to block his vision again. Her baggy pants were damp with sweat again, but by now they were starting to smell unwashed as well as the sweat went stale over time.
Her ass sounded off, and another fart bubbled out on his face.
Prrrrrrrrrrrt
She stood up to look down on him, her black hair hanging loose around her face. "Good morning, boy," his captor said in her French accent. "I thought I should blow my butt trumpet to wake you."
She nudged his face with her dirty bare foot, and he groaned as he tried to sit up.
"Lie back down," she said. "I need to sit and have my coffee."
Red noticed she had rekindled the fire while he slept and, with a pouch of luxury coffee almost certainly looted from some unfortunate cargo ship at some point in her travels, had made herself a cup. Hell, it could've been stolen from his ship, he knew that his captain always kept little luxuries in his cabin. He looked enviously at the coffee while he lied back on his blanket.
She straddled his chest, then gracefully lowered herself to sit on his face. Her weight pressed down on him, her pants almost sticky with the humidity and sweat. He held his breath as her ass cheeks smothered his mouth and nose.
He heard her sip her coffee, then felt the heat of a quiet fart slipping out on his face. She shifted her weight so his head turned and he could breathe to the side of her ass, but the smell of the fart was intense despite it's silence. She shifted back straight so his nose was again lodged in her ass crack.
"So, my little captive, today we will be traveling. My captain is to meet us at the other side of the island tomorrow, now that your English friends have left."
She punctuated the news by lifting up an inch and farting on him again. It popped out with a quiet pfft. When he breathed it in, the smell seemed to be getting worse.
She settled back down. "The plan is for me to bring her any loot in my rowboat, and you, my little prize, will be ransomed off to the nearest English colony."
She shifted forwards so his nose and eyes could peak out while she looked over his shoulder at him. She scrunched her face some, and another fart blew up his nose. This one came out louder and longer, like a rancid wind. Now he was sure the smell was getting worse every time she farted, because this one made his stomach start to turn.
She sat back to sip her coffee. "It will be bit of a walk, but if you can handle my farts I'm sure you can handle a little walk. Yes?"
He knew what she was gonna do, so he waited a moment to speak. But she just squatted with her butt hanging over his face, so he opened his mouth to speak. As soon as his mouth was open though, she sat down again, then let out a long, bubbling fart.
Pfffffft Pfrrt Prrt
The taste and smell was almost toxic, and he started having a coughing fit, but her ass kept his head pinned in place. He realized that every time she passed gas, it smelled more and more like her shit. The thought disgusted him and he almost gagged.
She chuckled at his struggling underneath of her. "Perhaps you in fact can not handle my farts so well, can you, boy. Don't make me spill my coffee. Keep your mouth open for me."
She dropped another long bubbling fart in his mouth, then sighed. Just the smell of it almost made him tear up, and he struggled to stop from coughing. She lifted up to let him breathe better, but that just made him inhale the smell deeper, burning his lungs.
"You know what they say about coffee," she said, sitting down again. She lifted her cheek to fart nonchalantly, but it came out loud and wet.
Brrurt
"It wakes you up, and then it wakes up your digestive system."
She didn't bother to move while Red struggled to get fresh air. He ended up with his face to the side, with one of Isabelle's ass cheeks hanging over his mouth. He sucked in air, but as he did, she farted again.
Prrraaap
He could hardly stand it, and he gagged on the smell before breaking into a coughing fit. His eyes watered.
Isabelle looked down at him. "Aw, did I make my poor fart boy start crying? Couldn't take my ass? Let me dry your tears."
She spun around so that now she sat cross legged, with his nose in her crotch and his eyes peaking out. She crinkled her nose at the smell clouding the air. "Wow, that is awful. I couldn't imagine having to take that in my mouth."
She looked at him pointedly. "You won't have to imagine though. Open up, boy." He stubbornly kept his mouth shut.
"Open up, or if I shit on you from this coffee, it will not be an accident." Red's face burned with humiliation as she looked into his eyes and he opened his mouth around her asshole.
She scrunched her face up again, and a long, low, wet fart bubbled out like some toxic syrup into his waiting mouth. It was so thick he swore he felt it on his tongue.
Brrrrrrurt
Isabelle sighed in relief. She smiled as his eyes teared up at the smell of her shit again.
She finished the last of her coffee and set the tin cup to the side.
"Let's see if I have one more good fart before I have to dig my latrine." She paused, and looked at him with a mischievous twinkle in her dark eyes.
She stood over him, and lowered her pants and pantalettes so that her bare ass and pussy stood over him. Her ass cheeks shone with sweat in the morning sunlight. "I wouldn't want to soil my pants if this goes poorly, would I?"
Red buzzed with anxiety at the thought. "Open up, my little latrine," she ordered, and he opened his mouth fearfully.
She squatted down slowly, her ass cheeks spreading and her rosebud tightening as she lowered. "Are you ready?"