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Man in a Black Suit Create a secret organization

FemboyNova
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Synopsis
Story of a man in a black business suit creating an organization to clean up the kingdom's corruption, Sci-Fi fantasy romance
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Chapter 1 - chapter 1

The central market of Argent City buzzed with color and sound—elven merchants arguing over crystal rates, dwarven engineers haggling for enchant cores, and demi-humans weaving through the crowd with silent grace. The futuristic skyline shimmered above the old cobblestone roads, magitek towers humming beside centuries-old statues.

And among it all…

Two loud, arrogant voices cut through the chatter.

"Come on, sweetheart! Smile for us!"

"We'll show you a real good time. Don't be so cold."

The men were tall, armored in flashy street-guard vests, their badges clearly fake. One had a magi-blade; the other spun a glowing baton. Their prey—a young girl, barely sixteen, human, trembling.

Beside her stood an elven woman with short silver hair, sleek black pants, and a long coat half-open at the hip to reveal dual pistols holstered against each thigh. She leaned on a post, looking bored, as though debating whether this situation was worth a bullet.

"Not your type, elf?" one thug sneered. "Fine by me. The little one's scared already."

That's when a shadow fell between them.

A man.

Black dress shoes. Crisp slacks. Matching suit. No sword. No weapon.

But something in his stillness made time crawl.

He didn't look at the girl.

He didn't acknowledge the elf.

He simply spoke, voice calm and cold, like ice brushing steel.

"Move. Or I move you."

The thugs blinked. Then laughed.

"Who the hell are you—?"

In the next second, both men were on the ground.

One clutching a shattered baton arm. The other gagging on blood from a perfectly placed palm strike.

Neither saw him move.

The man dusted his gloves—untouched by dirt—and looked down at them like insects beneath his shoe.

"Lesson one," he said, kneeling without expression, "Never touch someone who's clearly uncomfortable. It means you're weak. Undisciplined. Animals."

He stood.

"Lesson two: If you want to act tough, do it in private. The public has standards."

He turned.

"Lesson three…"

He didn't finish. He didn't need to.

The unconscious thugs wouldn't remember it anyway.

The elf tilted her head, finally intrigued.

"...Nice suit," she said.

"Custom-made," he replied, walking past her.

"Those moves weren't military. Assassin?" she pressed.

"Something like that."

The young girl gasped, bowing quickly. "T-thank you, sir!"

He gave her a single nod, then turned to the elf. "You let them talk for a long time."

"I wanted to see what you'd do."

She smirked. "Didn't expect ice man with a death aura."

"Fear is a choice. I turned mine off years ago."

That made her pause.

"…You're not from around here, are you?"

He looked up at the sky—twin moons gleaming through the cloudline of Argent.

"No," he said. "I'm from far away. And I didn't come here to be a hero. I came here to fix things."

The elf's smile faded. Her eyes narrowed in sudden seriousness.

"…Name?"

"Shin Kurozaki."

She offered her hand.

"I'm Aerin Velka. Vanguard agent. Dual rank: field and firearms. And I think I want to know what you're fixing."

Aerin Velka extended her hand, one brow raised. "The Vanguard could use someone like you. We're short on people who don't ask questions before breaking bones."

Shin stared at the handshake. His eyes—silver-gray, unreadable—remained fixed for only a second.

Then, to her surprise, he gave a polite bow.

"I appreciate the offer. But… no thanks."

Aerin blinked. "Wait, seriously?"

He took one step back.

"I'm not looking for orders. Not from anyone."

"And if I follow you?" she asked, cocking her hip, hand ready to draw.

"You'll lose me."

Then, without another word, he stepped backward into the alley—

and vanished into the shadow.

Gone. No sound. No ripple of mana. Not even a breeze.

Like he'd never been there at all.

"…Okay," Aerin muttered, holstering her pistols. "That was kinda hot."

— SYSTEM NOTIFICATION —

[ You have declined a major faction invitation. ]

[ Alignment: Independent – Chaotic Neutral. ]

[ Hidden Path Activated: Shadow Sovereign Route ]

— LEVEL UP! —

LV: 02 → 04

Strength: +3

Agility: +6

Intelligence: +2

Charisma: +5

Passive Skill Unlocked:

[Disengage Protocol] – You automatically vanish from combat and detection when not being directly observed. Cooldown: 10 sec.

— NEW SKILL ACQUIRED! —

[Authority Suppression Aura]

Your presence suppresses violent intent and agitates fear responses in hostile targets below your level.

Passive, always active.

Can be toggled for stealth use.

In a distant alley on a high spire platform, Shin reappeared, one leg perched on a railing overlooking the city.

The twin moons bathed him in pale blue light. His black suit shimmered faintly, adjusting to the new aura pressure, tightening along his arms like living armor.

He looked down at the glowing interface only he could see, floating in crisp hexagonal panels.

"So this is how it works… Reject the system, and it gives you a better one."

He smirked.

Cool. Efficient. No theatrics.

Just results.

In the distance, airships hummed above castle towers.

Gunfire popped somewhere in the south slums.

And deep below the city… something old stirred.

The southern edge of Argent City pulsed with grime and quiet cruelty. Neon signs buzzed above rusted brickwork, and the magitek rail hummed overhead, casting flickers of light on an alley soaked with yesterday's storm.

Three men moved like wolves.

Heavy boots. Bounty guild insignias—real ones this time. One had a pulse rifle. Another had a flame rune tattooed across his neck. The third… was a Tracker, eyes glowing faint green, sniffing the air.

"Corner her. She's tagged as a Level-1 rogue. No backstory. No registry. High bounty from the Temple Order."

Crouched between dumpsters, a small figure whimpered.

A child—ten at most—ears long and fuzzy, tail curled in fear.

A demi-human girl with ash-blonde hair and tiny claws trembling around a cracked toy.

"I didn't steal anything," she whispered to herself. "I didn't…"

The Tracker pointed. "There. She's done."

The bounty hunter raised his pulse rifle—

"That's enough."

A voice.

Cold. Smooth. Without urgency.

The hunters turned as a man stepped out of the mist, hands in his pockets.

Black suit. No armor. No emblem. Just poise, power—and the weight of total composure.

He stepped calmly between the child and her hunters, giving the girl a sideways glance that seemed to say: You're safe now.

Then he spoke again.

"What kind of civilized city allows children to be hunted in the street?"

The Tracker snorted. "Mind your damn business, citizen—"

He didn't get to finish.

With a blur, the man in the suit closed the distance, snatched the pulse rifle in one hand—and snapped it over his knee without blinking.

The flame-tattooed man drew a dagger.

Shin tilted his head. "Incorrect response."

One smooth sidestep. A single palm strike.

The bounty hunter flew into the dumpster like a ragdoll, crashing unconscious.

Tracker man backed up, eyes wide.

"W-wait! We were authorized! We have the writ—"

Shin's hand moved. The writ caught fire midair, burned to ash before it touched the ground.

"A city that chases orphans for money," he said, "is already diseased. I don't answer to its filth."

The Tracker turned and ran.

Shin didn't stop him.

Instead, he turned to the little girl, who stared at him with huge, watery eyes and flattened ears.

"…Are you hurt?"

She shook her head. Then nodded. Then shook again.

"I'm Shin," he said, kneeling slowly, careful not to tower over her. "What's your name?"

"...Yuzu."

"Yuzu," he repeated softly. "I'll walk you somewhere safe. But first—"

He reached into his jacket and pulled out a sleek handkerchief. With the elegance of a noble, he wiped dirt from her cheek and fixed the toy in her arms.

"There. Presentable again."

The child sniffled. "Are you… a prince?"

He smirked faintly. "No. Just a man with no fear and too many principles."

— SYSTEM NOTIFICATION —

[ Alignment Update: Defender of the Innocent (Hidden Title Unlocked) ]

Title: The Gentle Blade

Passive Buff: Increased charisma with demi-human races.

Future questlines opened: Demi-Sovereign Alliance, Temple Opposition, Shadow Network Favor.

In the shadows above, unseen eyes watched.

A silver-haired elf with dual pistols sighed, leaning against a rooftop rail.

"You really don't know how to stay low, do you, Shin?"

The sun dipped low over Argent City, casting gold light across rain-slick metal and stone. Shin stood beside a silent Yuzu at a small noodle stand tucked between forgotten alleys. The cook—a mechanical golem with a mustache riveted to its face—served steaming bowls with clunky care.

Yuzu slurped quietly, still shaking. Her ears twitched, alert to every passing footstep. Her cracked toy sat beside her, wrapped in a napkin Shin had folded like a gift box.

Finally, she whispered, "...Can you help me?"

Shin didn't respond at first. He lifted his bowl and drank the broth. Calm. Methodical.

"...My brother," she continued. "His name is Lio. He told me to run two nights ago. Said a mage was watching us. When I came back to our hideout…"

Her voice cracked. "The walls were melted. His jacket was still there."

Shin set his bowl down, then turned to her.

"You want me to find him?"

She nodded, trembling.

"Then join me," he said, voice low but resolute.

Yuzu blinked. "...Join you?"

"I'm building something. Not a guild. Not a company. An order. A machine that doesn't follow rotten kings or corrupt nobles. Just one purpose—

To fix what's broken."

He reached into his coat, pulling out a single black coin etched with glowing white letters: S.I.N.

S.I.N – Sovereign Initiative Neutralizer

A covert organization acting outside all kingdoms and councils. Rooted in logic. Ruled by results.

"You'll be my first official member," Shin said. "If I save your brother, you owe me your loyalty. Not obedience. Just loyalty. Understand?"

Yuzu hesitated.

"…What would I do?"

"Grow. Learn. Help others like you. Make sure this city doesn't chew up anyone else."

She stared at the coin. The glow reflected in her eyes.

"Okay," she said. "I'll join."

Shin handed her the coin, then placed a hand on her head. "You're safe now. From everything."

— SYSTEM NOTIFICATION —

[ Organization Created: S.I.N – Sovereign Initiative Neutralizer ]

Founder: Shin Kurozaki

Member Count: 2

Alignment: Rogue Justice

Unlock: Mobile Base Permissions, Classified Mission Network

New Title Earned: Founder of Sin

Perk: Loyalty Bond – Members gain passive aura resistance and communication link

In the shadows across the street, a nobleman in a white mask stepped back into the dark. His golden eyes narrowed beneath the porcelain.

"S.I.N… That wasn't in the prediction logs. And that girl's bloodline... interesting."

Back at the noodle stand, Shin stood and cracked his knuckles.

"Let's find your brother."

He turned, black suit fluttering as he walked into the alley's dark mouth.

Yuzu followed, gripping the glowing coin with both hands.

The wind howled through Argent's southern ruins, just beyond the city's glowing skyline. Shin stood beside Yuzu atop a half-collapsed rail bridge, the broken remains of magitek pylons flickering behind them like dying stars.

Yuzu clutched the S.I.N coin tightly in her tiny hands, still unsure what becoming "a member" truly meant.

Shin turned to her, expression unreadable.

"We don't wear armor. We wear symbols."

He raised his right hand. Dark ether crackled at his fingertips, swirling like a vortex of ink and shadow.

"S.I.N agents carry no banners, no crests. Only purpose and presence."

With a whisper of cold wind and shimmering lines of code-like runes, a small black suit materialized out of thin air, folding together mid-air as if tailored by invisible hands. It floated before Yuzu—a sleek, fitted outfit sized perfectly for her frame, flexible like combatwear but styled like Shin's own: efficient, elegant, and silent.

A black tie snapped into place on top.

Then came the mask—an obsidian half-mask with a white-glowing S.I.N rune carved across the jawline.

Shin knelt and offered the ensemble with one hand, and in the other…

"Your sidearm," he said, presenting a mid-length dagger.

The blade shimmered with anti-magical properties, forged from a compound unknown to this world. Light bent slightly around its edge.

Yuzu's ears twitched.

"...It's beautiful."

Shin nodded once.

"Every agent gets one. Lightweight. Balanced. Yours is coded to your mana now. It will never dull."

She hesitated only a second longer, then reached forward.

The moment she touched the suit and mask, black runes surged softly around her arms—welcoming her, recognizing her.

She slipped the coat on. It adjusted itself with a quiet hiss of techweave, perfectly fitting her body like a second skin. Her little tail popped through a slot in the coat's back with an adorably dignified flick.

The mask slid on smoothly, covering her lower face. The white rune gleamed faintly.

"You're not prey anymore," Shin said. "You're a shadow. You're a fang."

Then, standing upright once more, he extended his hand in a solemn oath gesture.

"Welcome, Agent Y."

— SYSTEM NOTIFICATION —

[ Agent Registered: Code Name – Agent Y ]

Role: Recon, Survival Specialist

Weapon: Dagger of Anti-Mana Circuitry

Title Earned: "First Blade of Sin"

Passive Skill Shared: [Fear Suppression Field – Tier I]

S.I.N Loyalty Bond: Activated

Yuzu straightened her shoulders, eyes glowing with quiet fire.

"…Where do we start?"

Shin turned his back, the city lights reflected in his silver gaze.

"With a rogue mage. A girl's brother. And a message this world needs to hear…"

He slid his hands into his pockets, voice like thunder wrapped in velvet.

"No child should ever go missing again. Not while we're watching."

Together, they vanished into the fog below.

The mage's hideout lay in the skeletal remains of Sanctum D-7, an abandoned arcology beneath Argent City's sewer depths. It was once a high-tech research dome used for bio-magical warfare experiments—now overtaken by rogue spellcasters, parasites, and arcane corruption.

Only fools or predators entered willingly.

Tonight, S.I.N walked in.

Shin and Yuzu—now Agent Y—stood outside the collapsed main gate.

"This was a temple once," Shin murmured, observing its cracked glyphs and melted magitek panels. "Now it's just a tomb waiting for a new story."

Yuzu crouched beside him, eyes narrowed, ears perked beneath her black mask. "Three mana signatures. One's unconscious. One's burning hot. That must be her…"

Shin nodded. "Good. Maintain silence. Take the west corridor. Neutralize if needed. No killing unless forced."

"Understood."

He looked down at her—small, sharp, masked, and fearless.

"You're ready."

Yuzu's tail flicked with confidence.

"I was born ready. I just didn't know it yet."

— Infiltration Commenced —

Mode: Silent Entry | Magic Suppression Active | Cloaking Enabled

Their suits shimmered—bending light, masking sound. Shin moved like a shadow sliding across glass. Agent Y darted from corner to corner, dagger in hand, body low, eyes focused.

Inside, the halls pulsed with violet mist and faint runes. Magitek lamps flickered, haunted by wild energy. The rogue mage's guards—half-mad acolytes—shambled along worn circuits, robes stitched with ritual scars.

They didn't even see them coming.

Shin slipped behind one and tapped his shoulder.

As the man turned—pressure point.

Down he went, no sound.

Agent Y disarmed another with a simple twist of the wrist and a leg sweep, then pressed her dagger to the base of his neck.

"Shh."

He nodded and passed out.

Finally, at the end of a cracked elevator shaft, they found the containment room.

Suspended in a levitating hex-sphere was a teenage boy, shirt torn, skin bruised but breathing—his mana signature flickering weakly. His hair was the same ash-blonde as Yuzu's. His name echoed in the room like a prayer finally answered.

"Lio."

Yuzu nearly broke cover—but Shin stopped her gently.

"Let me handle the witch."

The air crackled—

A shriek of glass and flame spun from the other side of the room.

She appeared.

The rogue mage—floating mid-air, her eyes glowing red and blue, arms laced with fusion runes and stitched with broken code.

"You dare trespass?" she hissed. "Do you know who I—"

Shin adjusted his cuff.

"Irrelevant."

He moved.

One step. Ten meters vanished.

She flung a firestorm—he vanished. Reappeared behind her.

"I rewrite magic."

He touched the air, fingers tracing invisible symbols—

And her spell unraveled mid-cast, shattering into harmless sparks.

"No flames. No tricks. Just facts."

He grabbed her by the collar—

And slammed her into the wall so hard the runes fried themselves.

She collapsed. Still breathing, but magicless.

Yuzu rushed forward as the containment sphere fell.

"Lio! Lio, wake up!"

The boy stirred. His voice, faint but real: "...Yuzu? You're safe…"

She hugged him, sobbing softly. "I brought someone. He's like a superhero."

Shin knelt and placed his hand on the sphere's core node. With a thought, it unraveled.

"You're free."

— SYSTEM NOTIFICATION —

[ Major Rescue Complete ]

Objective: Lio Recovered

Moral Standing Increased: Demi-Human Sector +10

Loyalty Increase: Agent Y – Max Bond Achieved

Title Gained: Brother Restored

S.I.N Reputation: Whisper-Level Spread

As they walked out of the hideout, Lio leaning on Yuzu's shoulder, Shin said nothing.

But when she looked up at him—eyes gleaming, tears still fresh—he gave a rare nod.

"You did well, Agent Y."

She smiled, tail flicking proudly.

"So did you… Commander."

The hidden safehouse was nestled beneath an abandoned elevator shaft in Argent City's western ruins—shielded by illusion glyphs and cloaked from all mana-scanning networks. Inside, the facility pulsed with quiet life: black steel walls, subtle lighting, and a command table forged from magi-crystal and obsidian.

Yuzu sat beside her brother on a leather bench, still holding his hand. Shin stood before them, coat fluttering faintly as the artificial air system kicked in.

"You both did well," he began. "But this world isn't going to fix itself. Saving one life… isn't enough."

Yuzu nodded. "What happens now?"

Shin turned, pulling up a glowing interface that formed in midair like glass and code.

It displayed:

[ S.I.N MEMBERSHIP: 2 ]

[ STATUS: ACTIVE | COVER: UNRECOGNIZED ]

[ INITIATING NEXT PHASE… ]

"We're going to build a covert team of misfits—runaways, rejects, survivors, those betrayed by systems meant to protect them. We won't be heroes. We'll be solutions."

He turned his gaze to Lio.

"And I want you in."

The teen blinked. "Me? But I'm just—"

"You kept your sister alive. That's more than most trained soldiers. You survived rogue magic, trauma, and despair. You've already proven yourself."

Shin raised his hand—dark energy swirling, this time not cold, but refined.

"Every S.I.N agent has a uniform. But each one reflects who you are."

A black suit materialized in the air. Slightly more rugged in design than Agent Y's, it had gold-tinted lining and reinforced joints—perfect for a field operative.

Then came a gold mask—sleek, angular, with the faint shape of a lion's maw on the lower half, glowing white text pulsing over the brow:

[ AGENT L ]

And finally, a long black sword—elegantly curved with gold engravings down the flat. It hummed quietly, infused with an anti-enchantment core and neural sync link.

"This blade responds only to your will. It remembers your balance. And it learns with you."

Lio stared at it all in awe. Slowly, he reached out, fingers brushing the handle.

The moment he gripped it—

— SYSTEM NOTIFICATION —

[ Agent Registered: Code Name – Agent L ]

Role: Recruitment & Defense

Weapon: "Shadowbrand" – Adaptive Sword

Mask Type: Gold Honor Class

Uniform: V2 Combat Elegance

New Skill: [Call to Stray] – Increases chance to inspire loyalty in outcasts and survivors

Yuzu clapped her hands proudly. "You look awesome!"

Lio turned, golden mask in hand, smiling.

"I'm honored… Commander."

Shin nodded.

"Your first job," he said, pointing to the glowing mission board, "is recruitment. Find our next shadows.

Go into the cities, the slums, the black-market arenas—wherever the forgotten live."

Lio stood tall, sword on his back, eyes bright with new fire.

"I won't let you down. I'll bring them home."

Shin's expression remained unreadable—but his voice carried quiet strength.

"Then S.I.N begins now."

The Crimson Spire Arena wasn't listed on any city map. Hidden deep within the scrapyard sector of Argent's lower slums, it thrived on the desperation of the forgotten. There were no rules—just blood, credits, and glory that never lasted.

And in the center of that chaos stood the undefeated champion:

A beastkin girl with obsidian fur, piercing amber eyes, and clawed gauntlets forged from scavenged magitek.

They called her "Fang."

She didn't speak.

She didn't smile.

And she never lost.

Tonight, the arena buzzed with energy as Lio—now fully suited as Agent L—entered through the back, a hood over his gold mask. His long coat fluttered behind him, hiding the gleam of his sword.

A handler sneered as Lio passed.

"Fresh meat? You'll last a minute."

"That's one more than you," Lio muttered beneath his breath.

He reached the fighters' pit and handed over a false ID chip.

The clerk scanned it and laughed. "You're matched with her. Dead man walking."

Arena Floor

The gate rose. The crowd roared.

Across the cracked magitek floor stood Fang—barefoot, muscles coiled like a loaded spring, her tail twitching as if already disappointed.

Lio stepped forward, slowly removing his hood and gold mask. He stared at her with calm eyes, voice steady.

"I'm not here to win."

Fang crouched, her claws glinting. "Then die quick."

She lunged.

Lio dodged effortlessly—his movements not aggressive, just fluid. He parried one strike with the flat of his blade and countered by sweeping her feet. She twisted midair, landing like a cat, and slashed again.

He ducked.

Another slash—he blocked.

"You're strong," he said, "but you're not angry. You're scared."

She growled. "Shut up."

"You don't fight for survival. You fight so no one touches you. No one controls you."

Her eyes widened for just a heartbeat.

That's when he dropped his sword entirely.

"Go ahead," he said, opening his arms. "If I'm wrong… kill me."

She froze.

"But if I'm right… come with me. Not as a prisoner. As a shadow."

Fang stared at him. The crowd screamed for blood.

Her claws lowered.

"...Why?"

"Because no one should be caged. Not even by fear."

She stood straight, panting lightly, then turned her claws off.

The crowd howled in rage—but the arena lights dimmed as an alarm rang.

A bounty team had just entered the lower entrance.

Lio handed her a black coin.

"My name's Lio. Agent L. I work for someone who fixes broken things with sharp edges."

She stared at the coin. The glowing rune flickered in her eyes.

"…What do I call you people?"

"S.I.N."

She looked up.

"...Fine. But I'm not putting on a dress suit."

He smiled. "We have custom options."

— SYSTEM NOTIFICATION —

[ Agent Acquired: Code Name – Agent F ]

Name: Fang (Last name unknown)

Role: Combat Specialist

Status: Temperamental, Loyal to Strength

Bond Initiated with Agent L

Passive Skill Shared: Battle Sense – Auto-enhanced reaction speed

Outside the arena, Lio led Fang through the hidden tunnels as the bounty squads scrambled in confusion.

"You didn't kill me."

"Didn't feel right," she muttered. "You talk like someone who's already died once."

Lio nodded.

"Maybe I did."