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kbwrites · 1 month

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Devotion

synopsis: Sukuna discovers Uraume’s hidden desire for his wife. Amused and intrigued, he twists their devotion into a dangerous game of seduction and control, where loyalty, lust, and power collide..

⚝content: trueform!Sukuna x f!reader, nsfw, slight Uraume x reader, power play, sukuna being sadistic, voyeurism

⚝wc: 3.2k

⚝a/n: guys am I slowly turning into a Sukuna glazer? Is that what’s happening?

“Uraume.”

“Yes, master?”

“Have you had…lovers before?”

Ryomen leaned forward over the dining table, his crimson eyes sharp with mischief, resting his chin lazily on his hand. One of his upper arms reached for the delicate porcelain cup, lifting it to his lips as he took a sip, all while gauging Uraume’s reaction with predatory precision. Uraume, ever composed, took a deep breath—perhaps steadier than expected, but not beyond Sukuna’s notice.

“No, my lord. I am only loyal to you.”

Sukuna could only chuckle darkly at his most trusted advisor’s iron resolve.

“Surely you’ve been attracted to someone before.”

It’s subtle, but Sukuna noticed how Uraume’s body tensed at the question.

“Thats…”

His eyebrow quirks in amusement, the thought of them finding interest in anything other than servitude absolutely intriguing.

“Oh?” He purrs “Tell me Uraume, who’s captured your interest?”

Uraume pauses, their mouth slightly agape about to answer until the doors to the dining hall swing open.

“Good morning~” You yawn strutting into the grand hall. Ryomen’s ears perk up at the sound of your voice. You were draped in a black silk robe, loosely fitting to reveal your cleavage. He didn’t miss the way Uraume suddenly went rigid, their spine straightening as though an unseen force had pulled them taut.

“My lady..” Uraume says quietly, bowing deeply, far lower than usual. There was a slight tremor in their voice, one that would be imperceptible to anyone else, but to Sukuna, it was as clear as day.

Something flickered in Sukuna’s eyes—something dark, cunning, and hungry. He was beginning to connect the threads. Uraume’s abnormal stillness, their faltering words, their body language—how had he not seen it before?

As a light bulb switched off in his mind. Sukuna’s eyes darken as his mind swirls with ideas.

“Good morning, peach.” he purred, his voice a rich, velvety drawl as he pushed his chair back slightly, creating space between his thick thighs. You settle between him, his lower arm wrapping securely around your waist. Your fingers plucked a few of the fruits, and with a mischievous smile, you lifted them to his lips. Sukuna’s eyes gleamed as he accepted your offering, his lips brushing your fingertips as he took the grapes from your hand, savoring the taste.

“Did you sleep well?” he hummed, his voice a rumble that reverberated through your body, his grip on your waist tightening.

Uraume was trying so hard to maintain their composure, but Sukuna was a master at unraveling even the most tightly wound strings. He didn’t miss the lingering gaze, the subtle admiration—the longing in Uraume’s eyes as they glanced at you.

You smiled softly, nodding as you fed him another grape. “I did.”

The room felt charged with an unspoken tension. Sukuna’s gaze flitted between you and Uraume.

“Uraume was just about to tell us something…” Sukuna chuckled, his voice a deep, velvet purr dripping with dark amusement.

“Weren’t you, Uraume?”

The words rolled off his tongue like a challenge, low and sultry, and Uraume flinched ever so slightly. Their mouth opened, but no sound emerged, their composure threatening to crack under the weight of Sukuna’s relentless gaze.

Uraume’s adams apple bobbed as they swallowed hard, their hands clenching at their sides. They looked as though they were standing on the edge of a precipice, unsure whether to jump or retreat. Their gaze flicked to yours—full of something raw and unspoken—before they quickly averted their eyes again, their face flushing.

“Yes…” Uraume managed, voice tight. “The preparations for the festival next week are complete. I thought it would be a good outing for you, my lady.”

You perked up, Ryomen knew how much you loved going outside the castle. And even though he despised being among the general public he never chastised you for it.

He shifted in his chair, his arm still wrapped firmly around your waist, pulling you just a little closer against him.

“An outing…” Sukuna mused, his voice low and thoughtful, malicious intent danced in his eyes. “How delightful.”

“Would you come this time Ryo?” You asked, eyes turning up to him with that innocent, pleading look he could never refuse.

His gaze flicks up to Uraume. He saw the way Uraume’s shoulders tensed, the way they remained painfully still. Sukuna could feel Uraume’s silent plea—don’t come. Don’t make this harder than it already is. But Sukuna, ever the sadist, felt the opposite.

His lips curled into a slow, wicked smile as he looked down at you. “How could I say no when you ask so sweetly, peach?” he murmured, his voice a deep rumble.

༺═────────────═༻

As the days slipped by, Sukuna’s amusement only deepened. What had once seemed like gestures of loyalty and respect from Uraume now held a different meaning altogether. The signs were there—delicate and unspoken, but there nonetheless.

He watched closely, sharper now, how Uraume’s hands lingered just a moment longer than necessary when adjusting your robes, or the way their fingers brushed your skin with a softness that would have seemed impossible for a being so devoted to carrying out the King of Curses’ bidding. Uraume, so effortlessly deadly, became something else entirely when in your presence—gentle, careful. As though you were made of glass. And Sukuna saw it all.

Of course, Ryomen Sukuna knew how captivating his wife was. You were beauty incarnate—graceful, magnetic, and utterly enchanting. He had always reveled in the way your presence could command a room, how your smile could make the world feel warmer. It wasn’t lost on him how others admired you, but he had never paid it much attention. You were his. That had never been up for debate.

The thought of his most trusted advisor being captivated by you was both amusing and intriguing. To think that Uraume, who had stood by his side through countless battles, who had remained steadfast and loyal through the bloodiest of wars, was not immune to your charm—it was almost laughable. But it was more than that. It was a game, a deliciously cruel game that Sukuna couldn’t resist playing.

༺═────────────═༻

It was bath time, the air thick with steam, curling up in soft tendrils around the marble walls of the grand bathhouse. You and Sukuna sat on opposite ends, your legs grazing one another beneath the surface. Uraume carefully washed your hair, applying the perfect amount of pressure when scratching your scalp.

Sukuna watched from his end of the tub, his crimson eyes half-lidded as he observed the way Uraume tended to you—so gentle, so precise. It was the kind of attention a lover would give, not merely an attendant.

You, of course, were oblivious. Your eyes were closed, soft hum of contentment escaping your lips as Uraume’s deft fingers massaged your scalp. The warmth of the bath relaxing you, Sukuna could see the soft smile tugging at your lips, unaware of the turmoil that brewed just beneath the surface.

“Uraume?” You question softly “Did those oils you ordered from Kuroshiki arrive yet? I think Ryo would like them today.”

“Yes…” Uraume says snapping out of their daze “I will fetch them right away my lady.”

“Bathing with fragrance oil? You really do spoil me” Sukuna says smirking.

You leaned closer to him, your fingers lightly trailing along the edge of the tub as you spoke, voice soft and inviting. “You seem… distracted as of late, my king,” you murmured, “I wish you would tell me what was occupying your mind.

A dark chuckle rumbled from his broad chest as he shifted slightly, adjusting his position as his crimson eyes traveled over your face, lingering on the way your wet hair clung to your skin and how the water caressed your naked form beneath the surface.

“My dear,” he purred, his voice low and smooth, “If I’m distracted, it’s only because of you.” He let the words hang in the air, his gaze darkening as he watched your reaction, the tension between you palpable.

Your lips curled into a slow, teasing smile, and you raised a brow, tilting your head as you reached out, your fingers brushing lightly against his chest.

Ryomen’s hand shot out, snaking around your waist and pulling you flush against him, your breath catching in your throat as you found yourself pressed up against his chest. His other hand trailed lazily through the water, his fingers skimming along your thigh just beneath the surface. Your heart raced, the warmth of the bath and the heat of his touch intertwining, making it difficult to think clearly.

“And you, my queen…” Sukuna’s voice rumbled with a dark edge, his lips brushing against the curve of your neck as he spoke. “What has been occupying your mind?”

Your breath hitched as you felt his lips graze your skin, the sensation sending a wave of heat through you. You tilted your head slightly, allowing him better access to your neck, your lips parting as you replied, your voice soft and laced with desire. “Only you, my king. Always you.”

“Good,” he murmured, his voice a low, seductive growl. “I like to know where your thoughts are.”

Just as the moment seemed to deepen, the door to the bathhouse creaked open. Uraume entered with their usual calm, carrying a small, ornate jar of oils. The soft clink of the jar being set down on the table was like a loud intrusion into your private world. Uraume cleared their throat, the sound sharp in the silence.

“My lady, my lord,” Uraume announced quietly, their eyes briefly meeting yours before darting away, their cheeks flushing slightly with the strain of maintaining composure.

You pull yourself away from your husband back to your side of the tub, smiling politely.

“Thank you Uraume.”

Sukuna’s expression darkened, a flicker of irritation crossing his features as he observed Uraume. His earlier pleasure was replaced by a simmering frustration, and his eyes narrowed slightly as he considered the timing of the intrusion.

They bowed respectfully, eyes fixed on the floor as they took their leave. The door clicked shut behind them, and the room fell into an uneasy silence.

As the two of you settled back, Sukuna’s thoughts were already racing ahead. He decided he would push Uraume’s resolve to the breaking point, manipulate their emotions, and watch with dark satisfaction as their carefully constructed façade crumbled. Sukuna was eager to see how far he could push his most loyal servant before they fell apart.

The morning light seeped through the dark curtains of your shared bedroom. Sukuna sat up, his muscular back pressed against the dark mahogany headboard as he watched you.

His eyes, sharp and intent, traced the curve of your body as you slept. The way your body stirred against the black silk sheets, the fabric of your sleep robe slipped off your shoulders—revealing more and more of your skin with every rise and fall of your chest. His own arousal growing at the mere sight of you.

He leaned down to you, pressing soft kisses to your collarbone. One arm snaked up to your chest, slipping under your robe to caress your breast. You whimpered in your sleep, squirming under his large hands.

“Ryo?” You question, eyes still closed as you feel the warmth of his palms set fire to your cool skin. Your body responding to him almost instinctively, heat pooling in your core as his touch deepened, awakening a familiar hunger within you.

“Awake already, peach?” he murmured against your skin. The sound of his voice alone—low, gravelly, and undeniably seductive—vibrated through you, making your breath hitch.

You hum as your back instinctively arches into his touch.

“Don’t you have… ahhh. Meetings in the morning?”

“Mmm.” he purred in acknowledgment, peeling the robe off of your body. “It can wait. There’s something far more… compelling… that’s caught my attention.”

Your body shivers slightly as Ryomen removes the covers, he drinks in the sight before him. Removing his mouth from your neck, before dipping his head between your legs.

He inhaled deeply, savoring the scent of your dripping cunt. Ryomen flattens his tongue, the wet muscle circling your bundle of nerves. His two upper arms hold your thighs in place, nails digging into the plush flesh. The room fills with your sleepy moans and whimpers as The king of curses slurps up your essence. He latches onto your clit, sucking while his tongue swirls.

You grab tufts of his fluffy pink hair between your manicured fingers, tugging gently. He looked up at you through half lidded eyes, smirking against your cunt as you grind against his face.

You felt the pressure building in your core, Sukuna felt your heart quicken—continuing his ministrations. Just as you felt the dam about to break.

Knock knock

Ryomen let out a low growl, the vibration rumbling through your cunt. He reluctantly tore his face away from between your legs.

“What is it?” His voice laced with venom.

“It’s me, my lord.”

He pauses, gaze flicking between the door and your panting form. An idea pops into his mind.

“Come in.” Sukuna muses, his voice smooth and deliberate.

Your eyes shot open, widening in shock as the doorknob slowly began to turn. Panic flooded your veins, your breath catching in your throat as you realized what he intended. You tried to push against him, but Sukuna’s grip was ironclad, his body pinning yours down against the silken sheets.

“Ryo, please!” you whispered urgently, your heart racing as you felt the weight of the moment closing in on you, the tension in the air thick enough to cut. But your pleas only seemed to excite him further. Sukuna’s smirk deepened, a cruel chuckle escaping his lips.

Uraume stepped into the room, eyes respectfully downcast, holding a scroll of parchment.

“My lord, I—”

But the words died on their lips the moment they finally looked up. Uraume stopped in their tracks, their eyes widening in disbelief as they took in the scene before them.

“Ah, Uraume!” Sukuna drawled, his voice full of amusement. “You may speak.”

“I-if this is not a good time—“

Ryomen chuckles, his hand snaking up to give your tit a gentle squeeze. Rolling your nipple between his thumb and index finger. You bite back a whimper.

“Nonsense! Continue.” He says, gaze never leaving you.

Uraume glances at you, their eyes raking over your form. They had dressed and bathed you countless times. However nothing could quite compare to the way your skin glistened with sweat, chest heaving as you tried to regain a steady heartbeat. They way your eyes were nearly black, glazed over with pleasure. They shouldn’t feel this way… they couldn’t and yet it was impossible to ignore the growing heat, the tightening coil as Uraume saw you in your most vulnerable state.

“Speak, Uraume,” Sukuna commanded again, his voice a low, dangerous rumble. He relished in the discomfort radiating from his loyal servant, the way their breath quickened and their hands trembled ever so slightly at their sides.

“U-Uraume… you don’t have to listen to him.” You manage to mumble, trying to separate your rational mind from the pleasure your husbands fingers were giving you.

“Oh? But darling Uraume wants to see this.” He purrs. “Don’t you Uraume?”

They want to go, to turn on their heels and walk—no run quickly, and far away from the both of you. But every movement—every verbal protest failed to ever come to fruition. All Uraume could do in that moment. Was watch.

Watch as you writhed under their master, as your supple skin they so tirelessly cared for was marked. As your aching cunt was toyed with, as the saccharine moans fell from your plump lips.

Heat rises to your cheeks as you glance at Uraume, who watched intently as Ryomen gathered the wetness from your folds and his index finger was slowly swallowed by your walls. The lewd noises your sloppy cunt uttered as he pumped slowly into you—like sweet music. He grinned maliciously as he felt you clench around his finger. Despite your earlier protest—he knew you were enjoying this as much as him.

You bit down on your lip, stifling your moans as he curled his finger up to your sweet spot.

“Don’t hold back, peach…” He hums as he inserts another finger. “Let them hear how good it feels.”

Uraume’s breath hitches again, body tensing even more as they watch your every move from the sidelines. Sukuna’s gaze falls on your hand, gripping the silk sheets for support. His eyebrow quirks as another idea pops into his head.

“Hold her hand, Uraume.” He commands softly. Their eyes widen briefly before following his command. Uraume’s hand wraps gently around yours, intertwining fingers. Their breath is heavier now, cheeks flushed with color.

You finally make eye contact with Uraume, looking up at them through half-lidded eyes. You had never seen them like this, such hunger in their dark pink gaze. Looking upon you with pure lust. It made your cunt clench even more around your husband’s fingers.

Ryomen continues his assault on your sopping hole, pumping in and out relentlessly. Every time his curled digits brushed against your g-spot you feel the all too familiar pressure building in your lower abdomen.

“Ryo! m’close…” You whine softly looking down at him. He only grins in response glancing at his advisor.

“Don’t tell me.” He growls “Tell Uraume how you feel.”

Tears now pricked your eyes, the overwhelming sensation proving too much for you. You look up at Uraume through wet lashes.

“U-Uraume… I’m fuckkk gonna cum!” You whimper, they don’t respond—instead squeezing your hand tighter as they struggle to breathe.

Sukuna smirks as his wife and most trusted attendant share the intimate eye contact. His own cock twitching in excitement.

“Uraume…” he hums in mockery “She’s right on the edge, should we give her what she wants?”

Their eyes flit between you and Sukuna, feeling dizzy with pleasure. You looked so needy, so desperate for release. They couldn’t deny you any longer. They needed to see you come undone.

“P-please Uraume.” You choke out—hiccuping as fat tears rolled down your face. “Can’t take much more!”

Uraume lets out a shaky breath, their gaze never leaving yours.

“Y-yes! Please my lord!” Their voice almost matching your own desperation.

And with one more thrust of his thick fingers your body shakes. You cry out in pleasure. Writhing as Uraume’s nails dig into the flesh of your hand, holding your hand in a vice grip. A gasp escaping their lips.

Sukuna slowly removes his fingers from you, bringing them up to Uraume’s face teasingly before sucking them clean of your slick. A silent reminder that you would always be his.

Sukuna and Uraume fix their gaze on you, sprawled out on the sheets, chest heaving as you tried to catch your breath. He glances over at them, noticing how their lips were parted. How their eyes were glued to you. As if they dared to blink you would disappear.

“She’s beautiful… isn’t she Uraume?” He purrs, lightly tracing the curves of your body.

“Yes master… she is… perfect.”

#kbwrites #jujutsu kaisen #jjk #jjk fanfic #jjk smut #ryomen sukuna #sukuna smut #sukuna x reader #jjk x reader #uraume #uraume x reader

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