mine, only mine [ jeong jaehyun ]
jaehyun gets jealous, and he makes sure you know you’re only his.
❛ content 1.8k words, husband! jaehyun, jealousy, a lots of physical touch, possessive behaviour, lots of kisses, light biting, slightly suggestive at the end (?), hubby jaehyun just wants reader only for himself.
your laughter filled the air again, spilling through the rows of desks like sunlight. a few coworkers glanced up with faint smiles before turning back to their screens, but you didn’t notice — you were too caught up in your coworker’s ridiculous story about the time he accidentally spilled coffee all over a client’s laptop.
you leaned forward against the edge of your desk, eyes bright, hand covering your mouth as you tried to muffle another laugh.
that’s the exact sight jaehyun walked in on.
his chest tightened immediately at the view. the office smelled faintly of ink and warm coffee, and somewhere, someone’s phone was buzzing on a desk. but all jaehyun saw (all he cared to see) was you. you, grinning ear-to-ear at another man.
he should have known better. you loved him, you were completely his, you had stood in front of dozens of people and promised it. still, that irrational burn in his stomach rose fast, curling into his throat until it threatened to spill. his lips pressed into a firm line as he shoved his hands into his pockets, broad shoulders squared in a stance that screamed 'don’t test me'.
your coworker said something else, and you laughed again, head tilted back slightly. jaehyun’s eyes tracked the way your throat moved when you did, the way your cheeks flushed from genuine amusement.
the click of his polished shoes against the office tiles made you turn your head, and the moment you spotted him — your whole expression shifted. your smile widened, your eyes softened, like every part of you was suddenly tuned to him and him alone.
“hyunie!” you called warmly, voice carrying across the small office. “you’re here already.”
the coworker blinked, turning to look at jaehyun.
“ah, this must be the famous husband. i heard a lot about you.”
jaehyun moved closer, each step steady but heavy. his gaze flicked briefly to your coworker’s face, then dropped — too close. his arm brushed against yours when he reached your desk, and only then did his lips twitch into something resembling a smile.
“yeah,” he said evenly, his voice low but unmistakably firm. “i’m the husband.”
your coworker’s brows rose at his tone, then he chuckled lightly, raising his hands as though to surrender. “got it. loud and clear. well—enjoy your lunch, you two.”
he retreated quickly, muttering something about an email he had to finish.
you then fully turned to jaehyun, brows lifting. his face was unreadable, though his eyes were fixed on you, scanning every detail like he needed proof you were really his. his hand slid to your lower back, warm and solid, guiding you toward the door with a touch that was a little firmer than necessary.
as you walked together, you could feel the heat radiating off him, his tall frame crowding your space like he refused to let even the hallway air touch you.
“hyunie,” you teased softly, tilting your head up at him slightly. “that was… a little intense.”
jaehyun didn’t answer right away. his jaw was tight, and his thumb moved in slow, unconscious circles against your hip, holding you closer than usual. his brown dark eyes flicked down to meet yours finally, and the storm in them made your chest tighten.
“he made you laugh,” he murmured, his voice almost a growl but with a thread of vulnerability woven in. “like… like the way you laugh with me. i don’t like that.”
your lips parted in surprise. “baby… he’s married. you know that, right?”
jaehyun leaned down, closing the distance until his forehead brushed yours. his voice dropped, a little husky, almost a whisper only you could hear.
“i don’t care,” he said, his pout barely restrained. “that laugh is mine. that smile—” his fingers pressed firmer into your hip, “—is mine. you are mine.”
you felt your breath catch as his warm lips brushed yours in the middle of the hallway — not rushed, not sloppy, but slow and deliberate. he tilted his head, deepening it just enough to make his point very, very clear. his hand came up to cup your jaw, thumb stroking your cheek as he kissed you like the entire office could disappear and he wouldn’t even care to notice.
when he finally pulled back, his brown eyes were still locked on yours, chest heaving slightly.
“tell me i’m right,” he whispered.
you were still catching your breath, lips tingling, heat rising in your neck. god, he was ridiculous. ridiculous and so hot you could barely think.
you chuckled softly, brushing your thumb against his lower lip. “you’re right, hyunie. i’m yours. only yours.”
his lips curved then, the first real smile since he walked in, but his grip on your waist didn’t ease — if anything, it tightened, as though he never intended to let you go.
and, in all honestly, you didn’t want him to.
jaehyun kept you tucked firmly against his side as he led you out of the building. it wasn’t like he was dragging you — jaehyun would never be rough with you — but the weight of his palm on your waist was unmistakable. it was claiming and protective. he held you in a way that left no room for doubt about who you belonged to, his fingers spread wide and pressing warm through the thin fabric of your shirt.
the moment the office door clicked shut behind you both, you immediately felt his chest expand with a deep inhale, like he could finally breathe again now that you were out of sight.
still, his silence spoke louder than anything else.
“hyunie,” you murmured, tilting your head as you walked across the parking lot together. “you’re awfully quiet.”
he didn’t look down this time, his jaw set as he guided you to his car. “mmh.”
just that. a clipped sound, tight in his throat. his hand squeezed your side briefly, thumb digging in for a second before easing. you recognized that tic — it was the physical version of his pout.
by the time you reached the car, you were already suppressing a smile.
he opened the passenger door for you, steady and courteous as always, but his eyes lingered, scanning your expression like he was making sure you hadn’t given away something important to someone else. only once you were settled in did he round to the driver’s side, sliding in with a tension that made the air feel heavier.
the car was warm, faintly scented with the cologne you’d picked out for him weeks ago. the engine didn’t start. instead, jaehyun turned in his seat immediately, his large hand reaching for your thigh without hesitation.
the heat of his palm sank through your slacks, grounding and possessive all at once. he didn’t move it right away — he just held you there, thumb resting against the curve of your leg, his dark eyes locked on yours.
you raised a brow. “you’re not going to drive?”
“no,” his voice was really soft, but there was still an edge underneath, an unmistaken stubbornness. “not until you tell me again.”
your lips quirked. “tell you what?”
his fingers flexed on your thigh, the muscles in his forearm tensing. he leaned closer, every inch of him radiating heat, until the scent of his cologne and the faint warmth of his breath wrapped around you.
“that no one else gets your smile. or your laugh. or…”
his hand slid a fraction higher, squeezing, enough to make your pulse jump.
the jealousy in his tone was sharp, but his eyes — dear lord, his beautiful eyes — were way more than that. dark brown and glossy with something rawer. not anger. but fear. that tender, ridiculous fear of losing you, even though he had no reason to.
your chest softened immediately. married or not, he was still your puppy, desperate for reassurance.
so, you chuckled softly, brushing your knuckles against jaehyun’s jaw.
“you’re so dramatic. we literally have matching rings,” you lifted your hand slightly, wiggling your left ring finger, the gold band catching the light. “pretty sure that’s proof enough.”
“not enough,” he said instantly. his eyes dropped to your ring, then back to your eyes, intense and unyielding. “say it again. please.”
the word cracked his voice ever so slightly. that single crack undid you.
you reached up, sliding your fingers into his hair. the strands were soft, silky between your fingertips, and the second you tugged lightly, he leaned in like a man starved. his nose brushed yours, and you whispered, slow and steady, letting every word sink into him :
“i’m yours, jaehyun. only yours. always.”
his breath hitched. his lips parted, eyes fluttering shut like he was savoring each syllable. then he kissed you.
it wasn’t a tentative kiss — hell, there was no hesitation in it. his mouth was on yours with a hunger he hadn’t been able to show in the office, lips moving firmly against yours as though he could press the words into your skin and bone. his hand on your thigh tightened, dragging slightly higher, thumb pressing into the heat of your muscle through the fabric.
you gasped softly into the kiss, and that was all he needed. he tilted his head, deepening it, sliding his other hand up to cup your jaw. his thumb stroked along your cheekbone as if to ground you, but the kiss itself was anything but calm — it was consuming.
every breath was his, every sound muffled against the press of his lips. he kissed you like he was trying to drown out the memory of you smiling at someone else, like he needed to overwrite it with something stronger, louder, and undeniable.
when jaehyun finally pulled back, your lips were swollen, your chest heaving. his forehead pressed to yours, his breath ragged, but his hand still clamped on your thigh, thumb now drawing restless circles as though he couldn’t stop touching you.
“i swear,” he murmured, voice low and rough, vibrating against your lips, “if anyone ever tries to take your attention again, i’ll—”
his words broke off, the frustration spilling into a whine as he buried his face in the crook of your neck. his lips brushed your skin, hot and damp, moving slowly toward the spot just beneath your jaw.
“i can’t stand it. you’re mine. mine, mine, mine…”
the repetition was muffled against your throat, more a plea than a threat. his teeth grazed you, just barely, and you felt the shiver race down your spine.
you closed your eyes, fingers sliding under his collar to stroke the warm skin at the nape of his neck. his muscles were taut, strung tight under your touch, and you couldn’t help but laugh softly, even as your pulse raced.
“god, hyunie,” you breathed, lips curling. “you’re so hot when you’re like this. you know that?”
a low groan rumbled from him, muffled against your skin. he nipped lightly at your neck, then pulled back just enough to look at you again. his eyes were darker now, his lips parted and swollen from the kiss, his cheeks faintly flushed.
he was every shade of hot and cute at once, and you felt your stomach twist with warmth.
“say it again,” he whispered, voice hoarse.
and you knew he wouldn’t stop asking — not until every last inch of him was sure you belonged to him alone.
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