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That fucking half-fish

Summary:

Pixie Park Jimin hates merman Jeon Jungkook. Jeon Jungkook seems hellbent on hanging around him as much as possible. Cue shameless enemies to lovers smut.

Notes:

This is basically a random one-shot smut that is loosely based on one of my fav childhood stories (shamless ik). Jungkook in this is like a bratty merman who's obsessed with pixie Jimin bcs I mean, who wouldn't be? Also even though Jimin is a pixie, he's still normal height if that makes sense. Anyways, happy reading and hopefully there aren't any mistakes bcs this shit hasn't been beta read.

Work Text:

“You know, you'd have thought you'd be shorter, being a pixie and all.” Shit. He'd forgotten that Jungkook had been blatantly watching him.

“I'm a seashore pixie,” Jimin said flatly, not giving the merman the satisfaction of seeing how riled up that comment had made him, “Or are you so stupid that you can't tell us apart from woodland pixies?” All he got in response was a smug smirk as he finally glanced away from the rock-pool he was currently scouring for treasures. The merman, Jungkook, was currently sprawled out on the limpet-covered rocks that separated the little sun-scorched cove that Jimin called home from the wide crystal-coloured waters of the open sea. His raven hair curled against his ears where it had dried in the sun, tanned skin on full display for the pixie.

“Stupid? If anyone is stupid, Jimin-ssi, it'd be you with the way you always purposely avoid me even though I know very well that you want me.” Jimin couldn't help but blatantly scoff at that accusation.

“Want you? As if I'd want some bratty, little fish,” He glowered, “And besides, aren't you the one who wants me? Always hiding your tail away, and stalking me.” If Jungkook felt ashamed at being caught out, he didn't show it, even going as far to spread his thick thighs wider, making the pixie avert his gaze at the sight of the younger's cock.

“What are you looking for anyway?” The merman muttered, after a few moments of silence, “More junk to decorate your little cave with?” Jimin swallowed down a snappy retort, wading further into the pool as he spotted something shimmering beneath the surface.

“It's not Junk, Jungkook-ssi. But I don't suppose you'd know that since all your family treasures are pirate skeletons and-” He doesn't get to finish his words because the next second the rock beneath him is suddenly giving way and then he's underwater. The look he receives from the merman when he finally manages to drag himself out from beneath the lapping waves is downright mocking.

“You alright there, Jimin-ssi?” The elder ignores him in favour of taking heaving breaths, patting the pockets of his shorts to check that his precious stones were still secure, “I thought seashore pixies were better swimmers.” That's it. He was going to murder Jeon Jungkook.

“And I thought you'd have at least tried to help me. I know you don't have your tail right now, and we hate each other, but fucking hell. A murder wouldn't look good on your record, Jungkook-ssi.” The merman actually had the decency to look mildly embarrassed.

“Ah, well, you see, I haven't exactly mastered swimming with legs, yet…” Oh? 

“Oh, so you'd have drowned as well?” Jimin couldn't help the smirk that found its way onto his face, “Isn't that like, really embarrassing for a merman?”

“Fuck off.” Was the response that he got back, the younger's usually round eyes half-closed in an angry glare.

“You fuck off.” The pixie retorted back with a half-assed scoff, “You're the one that chose to sit here while I treasure hunt. It's not my fault that you can't take my constructive criticism.” Well, technically what he'd been saying had been just plain insulting, but he wasn't about to admit that.

“I just like annoying you, Jimin-ssi. It's fun seeing how riled up you get when I haven't even done anything.” Jimin took a deep breath. Just ignore him. Ignore that stupid, cocky smirk. Ignore- “Wait, look, a pearl!” Jimin's neck almost snapped with how forcefully he spun round to look where Jungkook was pointing. It took barely a second for him to realise that the merman had been bluffing, and even less than that to stalk over to his grinning figure.

“That's not funny, fish.” He snapped, blond hair still plastered against his forehead from his earlier predicament in the water, “If you're going to sit and watch me, sit and watch in silence, you understand?” He was about to add that he hadn't meant to sound so harsh when his gaze caught onto the little nod Jungkook had given, his large, round eyes seeming even rounder at how close Jimin now stood. Being this close to the merman, Jimin noticed things, little things that he hadn't before. How the younger's hair was dotted with white sand like stars riding the waves of his raven locks, how he had a little scar brushing his right cheek, how his shoulders were much wider than Jimin's, honey-coloured arms almost twice the size of- Fuck. What the hell was that?

“Pixie…?” The elder was pulled out of his thoughts at the sound of Jungkook's hesitant voice.

“Whatever- just, piss off.” Stalking away from the perplexed merman was something that in hindsight, Jimin wasn't very proud of, but it was better than staying and getting caught up in exactly what those thoughts he'd just had entailed.

 

🐚🐚🐚

 

It had been almost three days since he'd last seen Jungkook, and the pixie was not missing him, not at all. Usually, by the time he'd dragged himself out of his cave each morning, the younger would already be somewhere by the cove, stretched out under the sun, stark naked for the whole world to see. That hadn't been the case since Jimin had stupidly gotten too close. Had he scared the merman off? He shook that thought away almost immediately. Whatever. Good riddance to that annoying half-fish.

It was past evening by the time the pixie was satisfied with his haul. Clutching the new-found treasures that couldn't fit in his pockets, he began to carefully pick his way back across the rocks towards the beach, treading over small rock pools and through the shallow waters. Jimin had barely made it onto the sand before he was being grabbed by strong hands, a warm body pressing up against him from behind. 

“What the fuck-? Let go-” He grit his teeth at the familiar sound of Jungkook's laugh, slightly high-pitched.

“Did you miss me while I was gone?” Jimin could have wrestled with the merman at that moment. 

“Did you seriously just fucking ambush me to ask if I missed you? Of course I didn't. I was having a peaceful fucking time without you always breathing down my neck.” 

“Breathing down your- am I not allowed to just watch you in my free time?” Came the response. The blond twisted himself around so he could glare up at Jungkook, jaw clenched at how cocky and proud the younger looked in that moment, damp hair pushed back off his forehead and wide eyes seeming so sure of himself.

“Of course, I just, why? What is your fucking obsession with watching me, you creep? You're a merman. Aren't you supposed to prefer frolicking around underwater or something?” 

“Yeah, but you're not there underwater with me when I frolic.” Oh? “Wait- that's not what I-” Jimin watches as Jungkook takes a step back, the sand silencing his footsteps and he puts some distance between the two of them.

“Then what did you mean?” The elder scoffed. “Gosh, you're so infuriating.”

“Yeah but you love it.” Shit. He watches as Jungkook bites his bottom lip between his teeth, hair whipping in the sea breeze as he waits for Jimin's response. This was new territory, especially for them.

“Oh, I do, do I?” The pixie had no idea what possessed him to set down his treasures and step closer, but the shaky breath he receives makes it just about worth it.

“Well, I mean, ugh, just kiss me.” And who was Jimin to deny him? The pixie threw all notions of hating Jungkook out the window as he coaxed the younger into a deep kiss, making a pleased hum as the merman lowered his head, warm arms looping around Jimin's waist almost instantaneously. It was only when he felt something hard nudging his stomach that Jimin pulled back, a lewd string of spit connecting their lips that he hurriedly brushes away.

“You're sure..?” Even his voice betrayed how pent up he felt from just that kiss. The pixie watched as Jungkook stared back, eyes wide, chest heaving, slick cock still pressed against Jimin's abs.

“Mhm… please, I know we hate each other, I just- I need-”

“Shit, yeah, c'mere.” He draws the merman back in for another kiss, this time slipping his hand down between their bodies to wrap around the younger's cock, eliciting a sharp moan. 

“Fuck- Jimin-ssi-”

“Hyung.”

“What?” Jungkook's voice was breathless as he tugged the elder onto his lap, strong palms splayed out on the pixie's ass as they both crowded down to the floor.

“You can call me hyung.” Jimin knew he was blushing as he nosed into the merman's warm neck, trailing sloppy kisses down the expanse of his throat in an attempt to hide.

“Fuck, hyung, please.” Jungkook's cock was getting slicker and slicker between their bodies as Jimin sped up his hand, drawing the younger closer and closer to release.

“Yeah? This feel good, Jungkook-ah? Shit- so good for hyung.” He barely had any time to react before the merman was spilling onto Jimin's hand and his own lower belly, painting his skin while choking back a whiny moan.

“Shit.” Jungkook's head fell back against the sand with a thud, his chest heaving as he gazed up at Jimin with a dazed look in his eyes. There were a few moments of silence, broken only by their soft pants.

“You think you can go again, hmm?” The elder watched as the raven head's brows furrowed, as if he was trying to pull himself out of his fuzzy headspace.

“Again? What? Oh…” The younger almost keened at the subtle rock of Jimin's hips against his own, hands flying out from where they'd settled in the sand to grip onto the pixie's waist, “You want to..?”

“Mhm…” Jimin furrowed his brows as he rocked his hips again, back arching at the sudden brush of their cocks through the material of his shorts, Jungkook's giving a weak twitch as he panted softly. The fabric was tugged off moments later, the merman pushing himself up onto his elbows to watch as the blond fisted himself, the curve of his neck highlighted in the moonlight, thighs tensing as he worked himself up. There was something so taboo about how they stayed there, Jungkook's body sprawled beneath the pixie's, spent, watching with round, dazed eyes as the other touched himself so delicately, hips twitching from his position on his knees, golden skin warm in the night air.

“Hyung…” Jungkook's voice was bordering on whiny as he spoke up, pulling Jimin from his thoughts. “You need to-”

“Yeah, fuck, I know-” Jimin shifted back, tucking a strand of hair behind one of his pointed ears heavy breathing as he spat onto his hand and went to move it behind him. It was only when he fixed his gaze on the merman that he realised that the younger had spread his legs further, back arching as he pushed himself closer to the elder, hair strewn out around his face like a halo as he settled back against the sand. Shit. Was he serious? “You-?” It was only then that Jungkook seemed to have realised what had happened as well.

“Well, I mean, I thought that's what you meant, hyung…” The pixie watched as the raven head bit his bottom lip, vulnerable, waiting.

“It can be. Shit, Jungkook. You want hyung to fuck you?” He was met by an almost desperate nod, the younger's abs tensing as Jimin pushed his thighs back to meet his chest, exposing his hole to the other.

“Please stop teasing, hyung.” At the first brush of a thumb against his rim, Jungkook keened, back arching further, a choked sob leaving his lips as his cock jerked to half hardness. The thumb was switched with the two spit-slick fingers from earlier and then he was being stretched open, head falling to the side at the gentle rocks of the pixie's digits.

“There you go. Being so good for me. Just like that. Think you can take another?” Even if he'd been about to protest, a third finger pressed incessantly against the merman's rim until it gave way. Only the gentle lapping of waves and the quiet squelch of Jimin's fingers broke the quiet night on the beach. It was only when the pixie changed the angle, pressing up higher that Jungkook almost screamed, babbling as fingers crooned over that spot inside until he was a squirming mess.

“Right there- fuck- Hyung- please, please, ‘m gonna, please-” The younger's words were a mess of strangled begging and panting as he writhed beneath the other's touch, hips stuttering as he tossed his head back, hair matting against his forehead, brows drawn together in a desperate plea. And just as he'd been about to finish, Jimin was pulling away. Jungkook panted, large eyes a little dazed as if he couldn't comprehend quite what had happened, “Hyung, why-?” There was the tell-tale sheen of building tears in his eyes, frustration and confusion evident as he went to sit up.

“Quit it.” The pixie snapped, delivering a less than gentle nudge to the merman's thigh, “Go on, roll over.” It took barely a moment for him to realise what he'd asked before he was turning around, hips pushing back as Jimin spat onto his palm before reaching down and slicking up his length, free hand palming Jungkook's cheek in such a way that the younger almost trembled. If Park Jimin had known that one day he'd be fucking into the bratty merman who'd become the bane of his existence, he would've scorned. But right now, he pushed forward, relishing in the way that the raven head seemed to melt beneath him, large hands curling into the golden sand.

“Hyung. C'mon, move-” The blond sucked in a sharp breath as Jungkook's hips rolled back, trying to take him in further.

“Shit. Okay, alright. Fuck-” And that's when he pulled back before sinking back in to the hilt. The result was instant, the merman's toes curling and uncurling in frantic spasms as the pace drove his knees further into the sand, skin smacking, eyes unfocused.

“Right there, shit- Hyung-”

“Yeah, yeah, I got you.” Jimin adjusted the angle, pulling the sprawling merman back onto his lap, sweat running in little rivulets down the lines of his abs as he resumed fucking, driving up into the moaning raven head until the younger was almost delirious. Their lips connected in a messy kiss, teeth gnashing, the pixie's fingers curling into Jungkook's damp locks and tugging, other hand settling in the crease where thigh met hip to hold him in place.

“Close, ‘m so close, hyung.” Normally, Jimin would've made fun of the younger for sounding so desperate but right now he couldn't bring himself to care, keeping his pace steady, the angle meaning he pressed right up against that spot with each calculated thrust.

“Come on then. Come for me, come for hyung.” He was well aware of Jungkook's hand moving down to touch himself, delicious moans punched from his lips as he drove himself over the edge while seated on the cock of the pixie he claimed to hate, “There you go. Shit-” The merman was barely finished when Jimin was coming too, biting down onto the younger's shoulder harder than he meant to as he slowed his hips to a gentle rock before stopping completely. There were a few moments of heavy breathing before Jungkook's voice broke the silence.

“I can't believe I just let a pixie fuck me.” What?

“So you practically begged me to dick you down and now you worry about my species?” The pixie was well aware that he was still seated inside the younger, even as they speak.

“It's not that, hyung. It's just- I always thought you'd be smaller.”

“You know full well that I'm only slightly shorter than yo-” Oh. He just realised what the merman had meant, “Seriously? Did you really just make a size joke when I'm still inside you?” All he got was a stifled giggle. That fucking half-fish-

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