✧˖°.⚰️ 𝐂𝐇𝐀𝐏𝐓𝐄𝐑 𝟏𝟎 — 𝐘𝐨𝐮𝐫 𝐒𝐚𝐟𝐞𝐭𝐲 𝐈𝐬 𝐌𝐲 𝐒𝐢𝐧°.˖✧
𝐒𝐀𝐍𝐂𝐓𝐈𝐅𝐈𝐄𝐃 — yandere! geto x reader
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Her next morning started strong.
Good coffee. Fresh bagel. Still sore from the best sex of her life.
She’d walked into the precinct with a glow and a skip in her step — the kind only achieved by letting a six-foot-tall walking red flag fold you in half like laundry.
But as she sat down at her desk and opened her phone, that high started to fade.
Still no message from Geto.
No text. No dumb emoji. No smug little “sweet dreams” or “round two?” She told herself it didn’t matter — he didn’t owe her anything — but the tiniest pinch of disappointment pressed behind her ribs anyway.
Whatever. One night stand. No regrets.
Did you sleep well, detective?
Calm. Personal. A shadow whispering in her ear from behind the door. And more than anything, it reminded her of something she had spent too long trying to forget.
The roses.. the same man.. this was not gojo texting her.. it was the hitman cleaning up his messes.. her serial killer.
She’d received them right after she said Gojo’s name out loud.
She’d stared down an entire task force and called him what he was — the ghost behind the curtain. The king of the Satoru Cartel.
And someone had heard her.
Now, she stood in her office, staring at two photos pinned side by side.
The first: a charred ballroom, beams split open like ribs, a body dangling from the rafters, neck snapped. Scene lost to fire. A white rose had been found near the victim. Most of the petals burned away.
The second: a clean, luxurious pool. Still water. A man floating face-up with a red rose in his mouth.
One was a scream.
The other? A performance.
The door creaked open behind her.
Nanami stepped in, file in hand.
“There’s something about the fire that’s bothering me,” he said.
She didn’t look away from the board. “Just one thing?”
He handed her the autopsy report. “The rope burns are consistent with the others. But there was no defensive trauma. No signs of a fight.”
“So he was already dead before he was strung up.”
She took the folder and frowned. “Staged.”
“Like the man in the pool,” Nanami said, joining her at the board. “But this one—” he tapped the pool photo, “was left intact. Eyes open. A red rose in his mouth. Almost… reverent.”
“And the fire victim?” she murmured. “Burned. Hung like a warning. White rose by the door. No note, just the flower.”
Nanami stepped back, arms folded.
“You think the fire was meant to erase something.”
“No,” Y/N said, fingers tracing the red string connecting the scenes. “It was meant to control the narrative.”
He nodded slowly. “There’s a message here. But we’re missing half the language.”
She turned back to the wall. “Both scenes are symbolic. The fire was destruction. The pool was preservation. Fire purges. Water displays.”
She moved to the map pinned with markers.
“The first murder was hidden. Quiet. The building burned down before evidence could be collected. The second one? Intentionally public. A gated property, but high-profile. He wanted to be seen.”
Nanami leaned in. “So what changed?”
“The white rose was for me.”
She hesitated, but said it anyway. “They showed up at my apartment three nights ago. No note, just a card that said ‘soon.’”
Nanami’s brow twitched. “You reported it?”
“Yeah. No hits. No prints. It’s not a bluff. It’s a countdown.”
She stared at the roses again.
White meant waiting. Red meant execution.
Gojo had a cleaner. A shadow. Someone staging these murders for him — not just to cover up business, but to send a message to anyone who looked too close.
The white rose was a warning.
Nanami circled the pool victim’s address on the map. “If this is an escalation... and the goal is exposure... where’s the next spectacle?”
Y/N’s eyes flicked to the west side of the map.
Fundraisers. Political donors. Art galleries Gojo helped sponsor. Shell companies tied to his “philanthropy.”
“Whatever it is,” she said, her voice tightening, “he’s not done.”
Her fingers landed on the pin for an upcoming charity gala at the Metropolitan History Center — publicly funded, black-tie, heavy press, rumored Gojo appearance.
“I think I know where he’ll strike next.”
Tonight, they were playing generous donors.
A married couple. Obsessed with history. Enthusiastic supporters of architectural preservation. And completely above suspicion.
As they entered the grand marble foyer of the Metropolitan History Center, dozens of heads turned.
Eyes swept over her body — the slit of her black gown, the curve of her hips, the way her shoulders sat tall and back like she owned the floor. Her heels echoed across the polished stone like a challenge.
She didn’t flinch. But her skin crawled.
Too many guards. Too many men with glasses and empty stares. Too many smiles that didn’t reach the eyes.
She scanned the room for exits, for cameras, for patterns in foot traffic.
And yet she still felt watched.
Nanami leaned in slightly. “You good?”
“Eyes on me like I’m the main exhibit,” she muttered.
They shared a glance before peeling off in opposite directions, just as planned. He moved toward the silent auction, all cold charm and practiced disinterest.
She headed toward the bar.
The lighting dimmed as she approached. Amber glass, soft gold fixtures. Wealth, polished and ancient. She slid onto a stool and crossed her legs, trying not to look like she was calculating every movement in the room.
She was prettier than he remembered.
Not just pretty—radiant. Confident. Dangerous in black.
The way she walked into that gala… shoulders back, lips soft but unreadable, eyes scanning exits like she was already planning her escape. Her body did one thing, but her brain did another.
No wonder Geto was obsessed.
He watched her approach the bar in the mirrored reflection behind the shelves. The tilt of her chin. The calculation in her gaze. She didn’t trust the room—but she trusted him enough to sit down.
“I remember you,” he said, letting the words roll off his tongue like smoke. “Didn’t you tell me to get the hell out of your face last time?”
She raised a brow, but not in offense. No, she was playing now.
Let her think she had the power.
“Let me buy you a drink?”
“Oh, I won’t. But I’ll look good doing it.”
He ordered her favorite without asking—Old Fashioned, slightly sweeter, with an extra orange peel. Just to watch her eyes flicker in surprise. Just to remind her:
He’d been watching long before tonight.
As she took a sip, he leaned in slightly.
“You pull off undercover well,” he said softly.
Her smile twitched. “Undercover?”
He tilted his head, watching her skin tighten, her posture shift.
“The generous donation. The well-timed gala. The tailored gown. You and your partner pretending to be rich history buffs when I know your apartment has a broken heater and your student loan account just defaulted last month.”
He leaned closer, voice low.
“Intern detective. Top of your criminology cohort. The agency’s little prodigy girl, sent to fish for shadows. Cute.”
But to her credit, she didn’t run.
“You do your research,” she murmured.
A beat of silence stretched between them.
She reached for her drink again, slower this time. “So what do you do, exactly?”
He shrugged, feigning modesty.
“Let’s just say I keep things running smoothly.”
“Oh,” he purred, “you’ll find out.”
He raised his glass, toasting her in the soft gold light.
To secrets. To lies. To games.
And to the delicious fact that she had no idea whose company she was keeping.
Right there. At the bar. Silver tray. Stemmed flute. Knife under the napkin.
One slice to the jugular and Gojo’s laughter would gurgle out in pink foam.
That was the level of rage crawling beneath Geto’s skin as he stood on the mezzanine balcony, jaw clenched, gloved fingers twitching at his sides.
In black silk, slit high enough for his mind to wander, neckline low enough to remind him exactly what he’d tasted just two nights ago.
He could still see the bruises he’d left beneath her dress.
He could still feel her thighs trembling against his jaw.
And yet… she smiled for him?
Gojo’s voice floated up through the chandeliers, smooth and smug.
He watched her mouth curl around her straw like a tease, watched her lean in to listen, unaware that every casual glance Gojo offered was a scalpel — slicing away her layers, peeling back her cover.
The bastard was toying with her.
Of course he knew who she was. Of course he connected the dots the moment she walked in. Gojo wasn’t stupid — psychotic, yes — but never stupid.
And now he was playing her like a song.
Probably whispering things about her internship. Her apartment. Her broken heater. Her fucking student loans.
Things only Geto should know.
Things he learned the real way — by watching, obsessing, memorizing.
Geto’s hands itched to rip Gojo apart.
To drag Y/N out of that room and remind her who she belonged to.
Not when she still looked at him like he was just some tattooed fling.
He’d let Gojo play his little game. Let her sip the drink. Let her be impressed.
Because when she fell — when she finally figured out how deep she was — she wouldn’t be running to Gojo.
He stepped back into the shadows, disappearing into the dark. But his gaze never left her. Not once.
Because lions didn’t interfere with the first act.
They just waited for the curtains to drop…
And the blood to spill.
The gala was full of voices.
She drifted away from the bar, from Gojo’s velvet smirk and cryptic charm, toward the rear of the exhibit. The lights were dimmer here. The chatter was quieter. But her instincts buzzed all the same.
Like the blood had been scrubbed off the marble floors before the donors arrived.
She passed a man near the display cases — sleek hair, sleek suit, a name tag that read Donovan Arata, Logistics Director. He looked like someone who knew something. She gave him her softest smile.
“I loved your auction setup,” she said. “You’re Donovan, right?”
His smile didn’t touch his eyes. “That’s right. And you are?”
“Elaine Nakamura. My fiancé and I are major collectors,” she lied smoothly. “I couldn’t help but notice how smooth everything’s run tonight. You must have a stellar team.”
His chin dipped. “We do. Everything here is by design.”
She inched closer. “I imagine planning something like this takes months of coordination. Vendors, transport, security—”
“Our contracts are private.” His tone was polite, but firm.
Another server passed her by, and she caught a glimpse of an earpiece. Discreet, but military-grade. She narrowed her eyes.
What kind of museum gala needed security detail like that?
She approached three more people: a florist, a tech assistant, and a delivery vendor near the back hall.
Smiles. Shrugs. Redirections.
All of them tight-lipped. All of them trained.
Her heels clicked against polished stone as she retreated to the edge of the ballroom, heart thudding.
Gojo had this place locked down.
Every contact scrubbed. Every route sterilized. Every detail monitored.
She should’ve felt intimidated.
Instead, she felt… cornered.
Who the hell had this kind of reach?
She leaned against the wall, hands curling into fists.
Who are you really, Satoru Gojo?
Who’s doing your dirty work?
Because no man this clean stayed that way without bloody hands working behind the curtain.
And she was going to find them.
Even if it meant clawing through silk and smoke to get there.
The alley behind the gala smelled like oil and cigarette ash.
Geto leaned against his matte black bike, helmet tucked under one arm, while Gojo stood a few feet away, white suit lit like a ghost under the security floodlights. He never touched the walls. Never let the grime cling to him. Just hovered there — gleaming, cruel, and far too calm.
“You know Donovan Arata?” Gojo asked, voice low.
Geto didn’t respond. He just raised a brow.
Gojo slipped his hand into his coat, pulling out a velvet-black box. Inside: a perfectly sealed envelope and a single red playing card. The card was scorched at the corner.
“He’s been running a side operation through the exhibit imports. Shipping product inside hollowed-out artifacts. Not ours,” Gojo said coolly. “Street junk. Cutting into my margins.”
He looked up, eyes sharp beneath his lashes. “I want his hand. Left one. Make sure it’s not clean.”
Geto’s smile didn’t reach his eyes.
“Should’ve known the art guy was dirty,” he murmured, slipping the envelope into his jacket.
Gojo lit a cigarette, the flame flickering between them. “Make it quick. Then come find me inside. Our girl’s playing detective again.”
Gojo exhaled smoke through a grin. “Only if you keep her breathing.”
“Where the hell did he go?” Y/N whispered, eyes scanning the ballroom.
Donovan Arata’s nameplate still sat perfectly aligned on the display table.
She’d been watching him. Ever since their awkward exchange. Something in the way he looked past her. Too rehearsed. Too restrained. A man guarding secrets.
No goodbye. No coat. No trace.
“Check the staff hallway,” Nanami murmured beside her, already adjusting the cufflink on his sleeve. “I’ll take the east wing.”
They moved in tandem — quiet, practiced.
But the hallway she turned into was empty. Not just empty — cleared.
Storage doors locked. Security guards stiff at every corner. A clipboard on a folding table listed all deliveries and staff sign-ins.
Donovan’s name wasn’t signed out.
She returned to the ballroom just as Nanami circled back. He shook his head once.
The same kind of vanishing act that happened right before another body turned up.
She didn’t know how, but she was certain:
Donovan Arata wasn’t leaving this gala alive.
The service hallway was colder than expected.
Concrete floors. Dim lighting. A thin hum from the vents above. Geto walked without sound, dressed not in his gala clothes but in what he wore beneath — black turtleneck, black gloves, tactical pants with a shoulder holster concealed under his jacket.
He passed an unlocked cleaning closet.
There — on the bottom shelf — a maintenance badge and access card, left carelessly next to a case of bottled water.
He clipped the badge onto his jacket and kept moving.
Donovan’s private office sat at the end of the hall, marked with a small brass placard: L. Archives – Authorized Staff Only.
The card beeped once, the lock clicked, and he slipped inside like smoke.
The room was as pretentious as he expected. Mahogany desk. LED-lit display cabinets. A half-empty glass of wine still sweating on the coaster. A locked briefcase on the table.
And Donovan — sleeves rolled, phone pressed to his ear, pacing like a man mid-cover-up.
Geto didn’t announce himself.
Geto’s gloved hand was already covering his mouth.
The struggle didn’t last long.
He slammed Donovan against the glass case, shattering ancient replicas and toppling ceramic vases. The man gasped for breath, clawing at Geto’s wrist, until a swift punch to the gut crumpled him onto the floor.
“Should’ve stayed in logistics,” Geto muttered, dragging him toward the desk.
He unsheathed a knife — long, curved, surgical steel. The kind of blade that hummed when it sliced air.
“You moved product through a channel you didn’t own,” he said, tone almost casual. “That’s theft, Donovan. And theft has fingers.”
He pinned the man’s left hand against the desk. Donovan screamed behind the gag, eyes wild.
“Gojo said one hand,” Geto whispered. “I’m adding the red rose. Personal touch.”
The cut was clean. Precise. Blood soaked the papers beneath.
Geto wrapped the hand in velvet cloth — no fingerprints, no hesitation — then picked up a single red rose from the desk display and shoved it between Donovan’s lips.
By the time he left the room, Donovan’s body was draped across the desk, mouth bloody and petals curling.
One petal drifted to the floor.
The message had been sent.
He exited the building through a maintenance door.
Hand in a sealed box on the back of his bike.
Y/N didn’t need Nanami to say it — she felt it in her spine, her gut, the way the back of her neck prickled as they rushed down the service hallway. She had to see for herself.
The sign for Logistics / Archives was slightly ajar. Just enough to whisper tampered.
“Jesus Christ…” she breathed.
Nanami stepped in beside her, expression hardening.
Donovan was draped over the desk like a ragdoll. His shirt soaked crimson, a single red rose jammed into his mouth like a grotesque centerpiece. The air was thick with copper and silence.
“Call this in,” Nanami snapped. “Now.”
But she was already moving. Her phone out, the dispatch tone ringing in her ear as she tore out of the room and made a beeline for the Security Office.
Someone had to have seen something.
Someone had to have recorded this.
The marble under her heels became tile. The walls narrowed. She burst into the back corridor of the gala’s surveillance wing, slamming her palm against the access panel.
“Security!” she barked. “Open up — we need the tapes now!”
He nodded once. Drew his concealed weapon.
And kicked the door open.
Both guards lay slumped over the main console, bullet wounds clean through their temples. One still clutched a half-empty coffee cup, the liquid soaked into the front of his uniform.
“No… no, no, no,” Y/N whispered, moving toward the panels, pressing keys that didn’t respond. The hard drives had been wiped. Clean. Professional.
Nanami crouched beside one of the bodies. “Execution-style. Close range. They never even stood a chance.”
And a body without a hand.
Someone was sending a message.
And doing everything to keep her from reading it.
She turned toward the hallway, her heart in her throat.
Whoever was behind this had access. Power. A plan.
And now they were watching her...
The door to her apartment clicked shut behind her.
Y/N let out a slow, sharp breath through her nose and leaned her forehead against the cool wood. Her jaw ached from how hard she’d been clenching it. Her calves burned from the heels. And her brain — her brain — refused to turn off.
No leads.
No footage.
No suspects.
Just a body with a rose in its mouth.
She hadn't expected much. Really, she hadn’t. A one-night stand, a damn good one, and a flirty exchange before the gala — that’s all it had been.
Still… she'd checked her phone more than she cared to admit.
She sighed. Kicked off her shoes. Shrugged out of her coat. Her hand was halfway to the kitchen light switch when—
She froze. Tensed. Then crossed the room carefully, peering through the peephole—
Standing outside her apartment, dressed in loose black sweats and a worn t-shirt that clung to the tattoos on his chest. His hair was tied back. One hand in his pocket. The other holding a paper coffee cup.
He didn’t smile at first.
Y/N opened the door slowly, blinking up at him in surprise. “You didn’t text.”
“I know,” he said, quiet. “Wasn’t sure if I should.”
That voice. Deep. Rasped around the edges like sanded velvet. She hated how much it soothed her.
“Then why are you here?” she asked, not harsh — just tired.
“You looked like you needed this.”
She stared at the cup. Then at him.
It was unfair — how calm he looked. Like he hadn’t vanished. Like he hadn’t left her hanging. Like he hadn’t missed all her silent signals and then just showed up, all casual and quiet and perfect.
She took the coffee anyway.
Because she was tired. And because despite everything, the second she looked at him, something in her chest relaxed.
He wasn’t a suspect.
He wasn’t a killer.
He was just Geto. Tattooed. Charming. A little mysterious. A private artist with a quiet streak.
“You coming in?” she asked softly.
His eyes never left hers. “If you want me to.”
He entered like a shadow — slow, warm, undemanding. The door clicked shut behind him, and for a moment, all the noise in her head dulled.
He didn’t say a word as she curled into the corner of the couch. He just sat beside her, not too close, and let the silence stretch.
She took a sip of the coffee. It was exactly how she liked it.
She smiled despite herself.
And not once did it cross her mind that the same hands resting gently on his knees had cut off a man’s hand hours ago. That he'd watched the light leave three different sets of eyes today and still had the nerve to bring her a fucking latte like he hadn’t just left blood drying on the inside of his gloves.
Because Geto could play both roles perfectly.
And tonight, he chose to be hers.
Y/N sat stiff on the couch, hands wrapped around the coffee cup like it could anchor her. Her mouth opened twice, like she wanted to say something — but couldn’t.
Geto watched her quietly.
Then she set the cup down.
“I can’t keep doing this.”
Her voice cracked at the edges — barely audible, like the words were trying to hide from her own mouth. Her fingers trembled. She dug her nails into her thighs, as if pain could hold her together.
Geto turned to her, his posture still and calm.
“I thought I could handle it,” she whispered. “Be the tough one. Close the case. Prove myself. But every time I get close to something—” she inhaled sharply, “—they’re already gone. Another body. Another dead end. Like they’re always five steps ahead.”
She finally looked at him — and something cracked in her gaze.
“They’re toying with me.”
Her hand darted to the side table. She pulled out the card — the one with the neat, elegant script scrawled across the black paper. Just one word, soon, beneath a blood-red rose, long since dried.
She shoved it into his hand like it burned her.
“They left this on my door. No note. No prints. Just this.”
Her voice broke, breath trembling.
“One minute I feel safe, like maybe I’m actually close to something — and the next, I’m… looking over my shoulder in my own apartment. I don't know who's real anymore.”
She dragged her knees to her chest, curling up like it might make her small enough to hide.
“It’s getting too hard to hold onto. I don’t sleep. I don’t eat. I pretend I’m fine in front of Nanami, in front of the department, but—” her throat clenched, “—but I’m not. I don’t feel safe, not even in my own skin.”
Geto stared down at the card. His thumb traced the handwriting — his handwriting.
He remembered writing it.
He remembered the way he placed the rose. Delicate. Precise. Like an offering to a god.
And now here she was — crying in front of him, her voice thin and vulnerable and wrecked with doubt — and still, somehow, trusting him with the truth.
He set the card down gently and shifted closer, placing a hand on her knee. His voice was soft.
She looked at him, eyes glossed, lower lip trembling.
He touched her jaw, brushing a tear away with his thumb.
“I’d never let anything happen to you.”
And for a moment — a dangerous, devastating moment — she believed him.
Because the man who left a rose on her doorstep was also the one holding her now.
And she had no idea they were the same.
The silence stretched between them, soft and thick, like the dusk light filtering through her windows.
She sat curled against him on the couch, his arms wrapped around her as she caught her breath — as if crying to him hadn’t just opened her veins.
Then she tilted her head.
Eyes glassy. Lips parted.
And whispered, “Don’t leave.”
It started like a whisper against her mouth — slow, exploring. A question without sound. He tasted her pain, her heat, the panic still ebbing under her skin. His hand cradled the back of her head, holding her like she might vanish.
And then… she kissed him back.
He groaned against her mouth as she pushed up into him, legs climbing into his lap again. The dress shifted, slipping higher, thighs straddling his hips with tentative ease.
“Y/N…” he breathed, his voice hoarse. “You sure?”
She nodded, burying her nose into his neck.
The couch cushions barely groaned as he laid her down gently, his body following hers like a tide. He worshipped every inch of skin he uncovered — every breath she gave him, every sound she couldn’t keep quiet. His mouth trailed down her chest, pulling her dress away as if it was sacred cloth. He kissed between the valley of her breasts. Bit lightly. Licked gently.
When his fingers slipped into her panties, her hips jolted.
“So fuckin’ perfect,” he murmured, dragging his fingers along her folds. “Already soaked for me.”
That one word — that one beg — nearly shattered his composure.
He stripped her slowly, watching every inch of skin reveal like it was his first time seeing her. Then he undressed himself with measured ease — tattoos rippling along his arms, chest, thighs — until he stood bare before her, every scar exposed, every part of him heavy with want.
He reached into his wallet.
But her hand gently touched his wrist.
“No,” she said quietly. “I want to feel all of you.”
If only she knew how much that meant to him.
He kissed her again, slow and dizzying, and slid inside her with the kind of control only obsession could grant. The stretch pulled a gasp from her lips, but he stilled — letting her adjust, holding her tightly, forehead pressed to hers.
His hands never stopped moving — tracing her jaw, cupping her breast, gripping her thigh. Her name left his lips in broken whispers between kisses: like prayer, like promise, like penance.
She clung to him like it was true — like she wanted to believe it.
As her body began to tremble beneath him, her legs tightening around his waist, he reached between them, fingers pressing gentle circles into her clit.
She gasped, eyes fluttering.
“That’s it,” he whispered. “Let me feel it. Let go.”
She unraveled with a sob, fingers digging into his back as her orgasm tore through her — wet, warm, helpless. He groaned low in his throat, fucking her slowly through it, cherishing every pulse of her body against his.
He chased his own release only once she was breathless and limp beneath him. His movements grew rougher — still buried in her, still whispering her name — until he came with a deep groan, spilling into her, grinding against her with final, trembling thrusts.
Just their breathing. Their bodies pressed close. His face in her neck.
She didn’t move. Neither did he.
And as she drifted, boneless and warm and kissed into sleep, Geto stared at the ceiling above her bed.
She just let the devil inside her body… and called him safe.
She was never getting away.
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