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The Return of Old Myths

Summary:

One-Shot idea series.
My Hero Academia and Fate Grand Order.
Female Izuku is born an Oni.

Notes:

I do not own either work.
That said I hope you enjoy!

Chapter Text

Once, she dreamt of being a hero.

Before her horns grew out, before her eyes gleamed, shining in moonlight, before the scent of sakura and sake clung to her like a second skin—Izuku Midoriya had believed.

She was only six when she saw All Might in person for the first time. It was supposed to be the best day of her life. She waited patiently with her hero notebook clutched to her chest, eyes wide, hopeful. But All Might never smiled at her. He frowned.

"You’re not cut out to be a spotlight hero." he told her bluntly, eyeing her growing horns and paling skin, mistaking her strange transformation as something unnatural even if such things were common in mutation type quirks. "People like you... should stay away from the spotlight, stick to the shadows for everyone's safety."

He left her there in that alleyway, notebook fluttering from numb fingers, tears steaming on her cheeks as something broke quietly inside her.

It wasn’t long after that the bullying began.

Her classmates called her "oni freak" "demon girl" "villain spawn" They feared her otherworldly appearance—the small horns protruding from her head, the way her presence made them feel faint, drunk, and uneasy. No one wanted to partner with her. No one wanted to understand.

Even her mother, once a warm and worried woman, began to keep her distance. “You’ve changed, Izuku.” she whispered one night, eyes flicking to the glowing blue sake gourd Izuku never drank from, but always clutched tightly. It had appeared all of a sudden one day in her hands. “You scare me…”

And then, she left. No note. No explanation. Just a vacant apartment and the soft echo of footsteps that never returned.

Alone, Izuku wandered the edges of society. Her body matured too fast—beautiful and strange, with the haunting allure of an ancient creature reborn. The whispers of an ancient oni echoed in her blood, in her dreams. She didn't know if she was a reincarnation, a vessel, or something entirely new—but the power inside her was undeniable.

She learned to fight. To smile sweetly and lie effortlessly. To take what she needed and disappear like mist. Her laughter became intoxicating, her gaze hypnotic. She wore her pain like perfume and painted her sorrow with flirtation and play.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The days blurred. The weeks bled into each other.

Izuku stopped counting how long it had been since her mother left, how long it had been since she learned to survive, to thrive on her own in the streets. There was nothing left in that cold apartment except peeling wallpaper and the stench of abandonment. She no longer went to school—what was the point?

The old dream had shattered like a sake cup dashed on stone. All Might’s words still echoed in her ears, venom hidden in righteousness.

"People like you… should stay away from the spotlight."

So she did. She slipped through society’s cracks like vapor, unseen and unbothered—until she needed something. Then she’d flash a soft smile, giggle with a sweetness that made men weak, and take what she wanted. Money, food, a place to sleep. Sometimes, she liked to dance beneath the moonlight just to feel her power flood through her—an intoxicating blend of seduction and supernatural menace.

Yet, inside, she was hollow. A demon girl with no temple. A goddess of intoxication with no one to worship her.

Her heart still ached.

Then came the night she met her.

It was in a dingy alley behind a closed convenience store. Rain had soaked her kimono, plastering it to her skin. Her sake gourd had been empty for hours, without anyone to tell her otherwise Izuku had decided to drink from the gourd she manifested. She learned early that while she could empty it and drink out its contents, she would find it refilled soon after. Hunger gnawed at her stomach, but worse than that—loneliness gnawed at her soul.

That’s when she heard it. A giggle—high, manic, and unmistakably human.

“I like your horns~,” came a voice, sing-song and sugar-coated.

Izuku turned, light purple eyes meeting wide yellow ones. The girl in front of her was smaller, dressed like she raided a thrift store and stitched it together with madness. Blonde hair, a school uniform stained with blood—and a smile that didn’t belong in this world.

Himiko Toga tilted her head. “You smell like me. You smell like blood and sweetness and broken things. What are you?”

Izuku blinked “You know, i'm not quite sure.” she murmured.

Toga stepped closer, eyes shining. “You’re not scared of me?”

“Should I be?”

The smile widened, sharp teeth showing. “Most people scream when they see the knife.”

Izuku glanced down. Sure enough, a small blade glinted in Toga’s hand. She just shrugged. “Maybe I’d scream if I thought I had anything left to lose.”

That answer did something to Toga. She stared at Izuku for a long moment before bursting into laughter. “Ohhh, I like you! You’re weird! You’re sad and pretty and dangerous and soft all at the same time. Wanna be friends?”

Izuku’s throat tightened. She hadn’t heard that word in so long.

Friend.

“…Sure.”

It was a beginning.

The next few nights blurred again—but this time, not from despair. Toga introduced Izuku to the underbelly of hero society. The alleys where people disappeared. The bars where information was traded like currency. The quiet war between ideals and reality.

Toga taught her how to move without being seen, how to fight dirty, how to be the monster they already thought she was.

And Izuku? Izuku taught Toga how to feel. How to share a drink that didn’t involve blood. How to dance barefoot under streetlamps. How to rest her head on someone’s shoulder and just exist.

“You’re not like me,” Toga whispered one night as they lay together under a broken billboard. “You still have something human in you. Something good.”

Izuku didn’t answer. She just stared up at the stars, wondering if it was true… or if she was just too far gone to notice what she’d lost.

But one thing was certain: her dream of being a hero was dead.

And in its place, something new was growing.

Something sharp, wild, and dangerous.

Something oni.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The underworld didn't care if you were born a monster or made into one.

And Giran? He didn’t care either. All he cared about was results.

“You’re a pretty little thing.” he said with a whistle the first time he saw her. “And weird enough that people’ll remember you. Good. I like marketable.”

Izuku sat with one leg crossed over the other, gourd nestled in her lap, eyes half-lidded and unreadable. Toga leaned against her shoulder, idly twirling a knife between her fingers.

“You want her to kill?” Toga asked sweetly. “She’s really good at that now.”

Giran smirked. “Not yet. Small stuff first. Package retrieval. Escort work. Intimidation gigs. Keep her sharp, keep her beautiful.”

Izuku tilted her head. “I’m not a tool. I don’t take orders.”

“You don’t have to,” Giran replied, tossing her a manila folder. “But there’s plenty of people out there who’d love to meet the ‘Oni of Kamino.’ Word’s already spreading. Up to you if you want to control the story—or let someone else write it.”

She flipped open the folder. A target. A courier. A rival gang. Easy.

She smiled.

The jobs were brutal but quick. Izuku worked with a graceful lethality that drew attention. She didn’t just kill—she danced. Her horns gleamed beneath city lights. Her gourd never left her side. Her eyes shimmered like moonlight in the dead of night.

And the bodies she left behind?

Art.

Izuku and Toga made a ritual of it.

Toga would straddle the corpse, giggling and humming as she drained it of blood. Izuku would kneel beside her, eyes closed in reverence as her claws carved flesh with precise elegance.

“We should make an offering.” Toga suggested once, wiping her mouth with the back of her hand. “You’re a goddess, after all. Or was it a demon?”

Izuku said nothing, just ran her tongue over her sharp teeth and laughed softly.

The newspapers called her a demon. A succubus. A myth reborn.

But what really made her famous was the outfit.

It was a gift from Giran. Custom-made. Inspired by legends. Crafted to whisper seduction and scream death.

A purple kimono with red designs and highlights long, flowing sleeves and golden ornaments that jingled with each step. Her horns, much longer than they used to be, were polished. Her sake gourd that never ran dry hung by her hip. A tight mesh that was too indecent to be practical but was worn with grace on Izuku's lithe and svelte form.

When she wore it, she became something else. Not Izuku. Not Midoriya.

Shuten.

The Demon Princess of the Underworld.

Himiko had felt proud of herself when she though of the name for Izuku, remembering old legends and stories she had read about.

The media couldn’t get enough.

“UNKNOWN FEMALE VILLAIN SLAYS SIX IN NIGHTCLUB MASSACRE.”
“HORNED MYSTERY: IS JAPAN FACING A SUPERNATURAL THREAT?”
“‘SHE SMILED AT ME,’ SAYS SURVIVOR. ‘SHE LOOKED… HAPPY.’”

Izuku watched the reports with mild amusement, legs curled beneath her on a stained couch. Toga fed her grapes one by one, her fingers sticky with blood from their latest victim.

“You’re famous now,” Toga whispered, pressing a kiss to Izuku’s cheek. “You always wanted attention, right?”

Izuku didn't answer right away. She just sipped from her gourd, letting the sweet sake burn down her throat.

“No,” she murmured finally. “I wanted to be seen. Now they finally do.”

But not everyone was happy.

The heroes were scrambling. Pro-Heroes who dismissed her as a petty villain were now issuing investigation orders. She’d made enemies quickly.

And one of them… was All Might.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

All Might wasn’t supposed to shake but as smoke coiled through the air like incense in a desecrated shrine, as the scent of cherry blossoms and sake clung to the night like perfume on skin, he did.

Because he had found her.

The Oni of Kamino. The demon girl in purple and red.

It started with an explosion in downtown Musutafu—another gang torn apart, a building leveled, and a trail of corpses lovingly arranged like a drunken banquet offering. Blood pooled in spirals. Bodies folded like paper cranes. And in the center, sipping from a giant red sake saucer, was her.

Shuten, as the media had found what she was called.

“You,” All Might growled, appearing in a rush of wind and smoke. “You’ve gone too far this time.”

Shuten turned her head lazily, lounging across the lip of a broken fountain like a painting come to life. Her kimono fluttered around her bare legs, and her horns glowed in the dim light. Purple eyes locked onto his with an unreadable gleam.

“All Might,” she purred, voice dripping with amusement. “You’re late. The party’s already over.”

His fists clenched. “You…I remember your face.”

She tilted her head, feigning offense. “I’m hurt, dear Symbol. You mean you don’t recognize one of your biggest fans?”

And then she smiled.

That same sweet, tragic smile he remembered from years ago. That trembling little girl in the alley. The one he had told could never be a spotlight hero.

His breath hitched.

“…Izuku?”

Her laughter rang like a bell—soft, cruel, and echoing with centuries of sorrow.

“No, not anymore.” she said, rising slowly. Her form shimmered with demonic elegance. “That girl died a long time ago. I just drank what was left.”

All Might lunged.

Faster than sound, faster than light.

But Shuten was faster in spirit.

She leapt backward, her sleeve fluttering as she lifted her saucer to her lips. With a theatrical tilt, she took a long drink—and burped.

The sound echoed like a divine mockery.

All Might dodged what came.

A moment later, a thick plume of acidic sake-vapor belched from her mouth, hissing across the concrete. It corroded steel. Cracked pavement. Sent support beams groaning.

Civilians screamed, scrambling for cover.

And All Might hesitated.

He had to protect them.

He turned, pivoted, shielding a child with his body, throwing another to safety.

And when he looked back—she was gone.

Her laugh haunted the wind, carried like a lullaby from hell.

The news spread like wildfire.

“ONI MOCKS ALL MIGHT IN DRUNKEN DISPLAY OF POWER.”
“DEMON GIRL ESCAPES AGAIN—ARE HEROES LOSING CONTROL?”

The public didn’t know what to believe.

But the underworld? The villains?

They started to appreciate her.

A girl who danced with the power of an oni and spat in the face of the Symbol of Peace.

Back in a hidden room, Shuten sat cross-legged on silk cushions, watching the news on a flickering screen.

Toga brushed her hair, humming softly.

“You got away again.” she whispered. “You’re amazing.”

Izuku sipped her gourd and sighed contentedly. “He's still the same, easy to read. He still tries to save everyone. He still plays hero.”

Toga giggled. “Do you want to kill him?”

“No,” Shuten replied, eyes glowing. “I want him to live long enough to realize that he created me.”

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

It was midnight in Naruhata.

The streets were dead silent, lit only by neon signs and the low hum of electricity. Somewhere in the dark, a cat hissed and darted under a trash bin.

Aizawa Shouta landed without a sound.

He was following up on a tip—a strange figure seen perched like a gargoyle over the main avenue. Most reports were dismissed as drunken ramblings. But Aizawa knew better.

And then he saw her.

Up there, atop a tall lamp post, swaying lazily in the wind, sat her. Legs crossed, sake gourd resting on one thigh. Kimono sleeves fluttering. Horns gleaming in the lamplight like cursed ivory.

She didn’t even look at him at first.

She just sipped. Smiled. Burped softly.

“Midnight’s not a bad time for sake.” Shuten murmured, eyes half-lidded. “The moon’s full. The street’s empty. Everything tastes better when the world’s asleep.”

Aizawa narrowed his eyes. “Shuten Douji.”

“Oh? No ‘Miss’ or ‘Ma’am’? You heroes are so rude these days.”

His scarf twitched, coiled tight like a snake ready to strike.

“I don’t know who you are-” Aizawa said, “but this ends tonight.”

She finally turned her gaze down to him—calm, detached, faintly amused.

“That’s the thing about endings.” she murmured, “you don’t always get to choose them.”

They didn’t fight immediately.

She kept talking.

Maybe it was the sake. Maybe it was something in her.

“You’re different from the rest.” she said. “You don’t smile like All Might. You don’t pretend the world’s still beautiful. You know what rots under the surface and yet, here you are trying to fix it with duct tape.”

Aizawa didn’t reply.

She slid off the lamp post with effortless grace, her bare feet landing silently. She was shorter than he expected but the weight of her presence was suffocating.

Then came the strike.

A blur of red. A flash of clawed fingers. A gust of wind like a blade.

Aizawa dodged—barely.

His Erasure flared to life and she flinched.

“Quirk nullified.” he thought. “Now’s my chance.”

He moved.

But Shuten… laughed.

And struck.

Her hand—just her bare hand—slashed downward like a guillotine. He blocked with his scarf, but the force shattered the pavement behind him.

She wasn’t using a quirk.
She wasn’t using anything but herself.

That’s what made it terrifying.

She shouldn’t be that strong. That fast. That sharp.

Her hand grazed his ribs—sliced through fabric, through skin. If he’d been a second slower, he’d have been bisected.

Blood dripped to the concrete.

Aizawa gritted his teeth. “This strength… isn’t normal.”

She leaned close, nose nearly brushing his.

“It’s divine,” she whispered. “And divine things don’t obey rules.”

She left him alive.

Why? He couldn’t say.

Maybe mercy. Maybe mockery.

All he knew was the last thing he saw as she vanished into the night—her silhouette against the moon, gourd swinging, laughter trailing behind like the tail of a comet.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

UA High was in chaos the next day.

“She doesn’t match any known power category.” Nezu muttered, pacing. “Strength, speed, regenerative traits… yet none of it activates on Erasure. Is she a mutant-type? A quirkless user of artificial enhancers? A body-modified villain?”

“She broke Aizawa’s ribs barehanded.” Mic said, stunned. “She didn’t even try.”

“Symbolism,” Nezu murmured. “She’s performing for someone. For everyone. This is theater to her.”

“And what’s the message?”

Nezu paused. Looked them all in the eye.

“That the gods have returned. And they’re angry.”

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Himiko Toga knelt barefoot in an abandoned shrine. Moss crept along the stones. Wind whistled through broken beams.

With loving hands, she placed offerings on a makeshift altar—bloody ribbons, stolen sake, scraps of kimono silk, and a bone she said came from a man who insulted Shuten’s beauty.

She painted symbols with her fingers. Lit a dozen candles. Whispered little prayers.

“To the Oni Queen.” she said sweetly. “To the one who saw me. To the one who makes the world bleed like art.”

And behind her, the shadows seemed to smile.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

UA.

The last fortress of hopeful lies.

Shuten stood in the shadows of the training dome, her sake gourd balanced casually in one hand, crimson eyes half-lidded in amusement as Shigaraki’s army of low-level thugs spilled in through the warped mist of Kurogiri’s portals.

It was laughable.

Like watching children try to burn down a temple with candlelight.

She hadn’t even planned to be here.

But she’d heard whispers. A “plan” from Shigaraki. A statement. Attack the next generation. Destroy hope at its roots.

It was the kind of theatrical foolishness that fascinated her.

And so, wrapped in illusion, horned and invisible to every sensor UA had, Shuten slipped through the mist behind them, silent as night’s breath.

She perched atop the dome’s support beams like a vulture in silk. Watching. Drinking.

Waiting.

It was pitiful, really.

The thugs scattered like flies. The students resisted—trembled but stood tall.

And then came the Nomu.

It howled like broken machinery. Its muscles flexed, regenerating faster than logic, screaming violence with every stomp.

And All Might appeared.

Glorious. Defiant. Already weakened.

Shuten took a slow sip from her gourd, watching as the Symbol of Peace threw himself into the jaws of a beast crafted to devour him.

Blow after blow.

Flesh tore. Bones cracked.

The Nomu would not fall.

All Might would not yield.

Her heart, long numbed by disappointment, twitched faintly.

“…Still so stubborn~” she murmured, watching his arms tremble. “Still playing god. Still bleeding for strangers.”

She didn’t know if she pitied him or admired him.

Maybe both.

And then, it unraveled.

The teachers arrived—Eraser Head, Blood King, Cementoss.

Kurogiri flinched. Shigaraki hissed like a cornered beast.

They were cornered, confused, disoriented—

Shuten stood.

She hadn’t meant to interfere.

But something about the panic, the chaos—the way Shigaraki looked so pathetically human with blood in his teeth and fear in his eyes—

It bored her.

And worse?

It annoyed her.

With a flick of her wrist, she dropped from the ceiling.

No one saw her until it was too late.

One teacher—Snipe—raised his rifle.

But she was already in front of him.

Her palm struck his chest with the force of a war drum. Bone shattered. He flew backward like a rag doll and hit a wall with a sickening crunch.

Cementoss tried to encase her feet in stone.

She danced over it, trailing laughter and violet silks.

Midnight ripped at her clothes to unleash her gas.

Shuten exhaled a plume of sake vapor, acidic and sweet—burning the teacher’s mask, searing her lungs.

Aizawa moved next.

His Erasure locked on.

Her body flickered, shuddering—but only briefly.

She smiled at him again.

And in that moment, he knew.

She wasn’t using a Quirk.

Shigaraki was stunned.

“What the hell are you doing?!”

Shuten caught him mid-sprint by the collar, lifting him with one hand like a misbehaving cat.

“Making the show last longer.” she said calmly.

Kurogiri wavered, his portal distorting.

“Shuten—why?”

“Whim,” she whispered, smiling. “Boredom. Curiosity. Pick one.”

And with that, she hurled the both of them into Kurogiri’s portal like skipping stones, just before Aizawa could make a final lunge.

The portal closed behind her with a whisper.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

All Might collapsed minutes later, finally forcing the Nomu down.

But the real storm had already passed.

The staff stood in silence, shocked at the third party who had moved like an avatar of chaos—nearly killing three teachers and saving two major villains.

Nezu said nothing for a long time.

“She’s not just a villain.”

“Then what is she?” asked Vlad King.

Nezu’s ears twitched.

“…She’s an anomaly. A myth. A god that walks like a girl.”

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Shigaraki was furious.

“You almost killed me!” he barked at her.

Shuten licked blood from her fingers and didn’t even blink.

“You almost did that all by yourself~” she replied.

“My master wants to know who you really are.” Kurogiri stated as he prepared something behind the bar counter.

She looked over her shoulder, smiling faintly.

“Tell him I’m Shuten. That’s all that matters.”

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Toga placed more candles around the growing shrine. She added a new offering—UA’s student handbook, scorched and half-burned.

“She was there.” Toga whispered, eyes dreamy. “Right where all the little baby heroes live. And she chose to leave.”

Behind her, faint laughter echoed through the wind. Not cruel. Not warm.

Just timeless.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The sky was too blue.

That was Shuten’s first thought as she perched on the rim of the stadium’s highest spire, feet dangling lazily over the precipice like a child on a swing. Her sake gourd swayed gently at her side. Her golden horns glinted in the sun.

Below her: cheering crowds, roaring commentary, the clash of youth and ambition in the center arena.

And all of it—so proud, so polished, so desperate to prove the future of heroism still had meaning.

She drank deeply, eyes half-lidded in amusement.

"This is their celebration of strength?" she murmured. "So noisy. So pure. So... blind."

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The camera drones swiveled, capturing every angle of the latest round. The crowd cheered as Todoroki faced off against Bakugo, fire and ice crashing against explosions. Commentators screamed with excitement.

And then… one of the drones caught a flicker.

A figure.

Atop the highest spire.

Small. Barefoot. Purple and red kimono fluttering.

Horns.

Sake gourd.

The image beamed to the world.

And silence followed.

The Pro Heroes reacted instantly.

Midnight, Cementoss, Present Mic, even Endeavor—all scrambled for the upper level. A dozen security drones locked onto the signature. Snipe aimed upward. Vlad King readied his quirk.

But Shuten… didn’t move.

She sat. She smiled.

Like a queen on her throne.

“Such loud ants,” she murmured. “Climbing toward me with their little weapons and wounded pride.”

They reached her.

“Put your hands where we can see them!” Snipe barked.

Shuten exhaled softly—sake-sweet breath wafting into the air.

“You found me~” she said. “Do you want a prize?”

Midnight struck first—sleep gas rolling in from her exposed skin.

Shuten stood.

She didn’t fight.

She danced.

Her body moved like silk in the wind. No wasted motion. No tension. Only grace and terror.

She sidestepped attacks like she could see the future. Her hand flicked forward and Cementoss crumpled, ribs cracked like dry twigs.

Snipe fired.

She spun.

The bullet grazed her sleeve—only to hit Vlad King in the leg as she twisted behind him, laughing.

Midnight tried to close in—but Shuten reached out, tapped her forehead with one clawed finger, and Midnight collapsed backward as if her legs had forgotten how to stand.

Endeavor roared, flame exploding around him.

And Shuten just walked through it.

The fire parted around her like smoke avoiding a stronger scent.

She looked up at him—eye to eye.

“I don’t burn, darling~” she whispered.

Then with one blow—one open-palmed slap—she sent him flying across the stadium.

The cameras caught everything.

The world watched as five Pro Heroes fell in under a minute.

No fatalities.

No unnecessary cruelty.

Just absolute humiliation.

And then…

Shuten walked.

She didn’t flee.
She didn’t vanish.

She walked across the edge of the stadium roof, head held high, gourd swinging by her hip and the whole world watched in silence.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Commentators scrambled for explanations.

“She’s clearly a high-level villain—”

“Could she be part of the League?!”

“No known quirk should allow—”

“She spared them. All of them. Why?”

Nezu sat quietly at the UA headquarters, watching the footage for the twentieth time.

He whispered “She didn’t come to kill. She came to make a point.”

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Toga wept.

But not in sorrow.

“Did you see her?” she whispered to herself, clutching a little TV screen close to her chest. “She was perfect. She danced in fire and didn’t blink. She made them all look like fools…”

Behind her, the shrine grew.

More candles. More bones. A lock of blonde hair from a student who said bad things about the oni queen.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Hosu City burned.

Screams echoed through the alleys as Nomu raged and civilians fled. The night sky was split by fire, and heroes descended like meteors—trying to reclaim the chaos as if it hadn’t already swallowed the streets whole.

And in the middle of it all, crouched atop the lip of a crumbling rooftop, Shuten watched.

The smoke didn’t sting her eyes.

The blood didn’t stir her stomach.

She drank from her gourd and sighed.

“…Dull,” she murmured, eyes narrowing at the figure below. “So much posturing.”

The Hero Killer.

Stain knelt over his latest victim, blade dripping, tongue dragging across a streak of blood.

His words were rigid, robotic—rehearsed sermons to no one. “Only true heroes deserve to live. The rest are—”

“You talk too much.”

The voice floated from above, soft as cherry blossom petals falling in spring.

Stain blinked. Looked up.

Shuten stood at the edge of the rooftop, silhouette framed by flame and moonlight, sake gourd swaying at her hip, kimono stained with red and wine.

“You're not even interesting~” she said, disappointed.

He lunged.

It was fast.

Too fast for anyone’s eyes to follow. Too fast for any camera to catch.

There was a flicker—of movement, of color, of something ancient.

And then…

Stain’s head hit the ground.

It bounced once.

His body slumped, sword still clutched in hand.

Shuten’s fingers twitched, and a droplet of blood ran down her hand like spilled ink on silk.

She didn't even look pleased. Just mildly inconvenienced.

“I gave you a chance to be interesting,” she muttered. “You wasted it.”

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The #2 Hero dropped from above, flames roaring with fury. His eyes locked onto her, fury blooming as he saw what had become of his target.

“You—you murdered him! We needed to interrogate—!”

Shuten raised a single eyebrow.

“And he was already boring.”

Endeavor didn’t wait.

Fire erupted, torrents of hell-blaze flooding the alley where she stood.

But as the inferno faded—she was still there.

No burns.

No wounds.

Just that smile.

That same lazy, dangerous smile.

She took a step forward.

Endeavor readied another blast—

But her hand was already up.

Then came the scream.

Short.

Wet.

Final.

Shuten stood with her arm extended.

And in her hand—was his.

Not holding it.

Holding it.

Detached.

Still burning faintly.

Endeavor screamed as he collapsed to one knee, clutching the ragged stump where his dominant arm had once been.

“You raised your hand to me~” Shuten whispered, dropping the severed limb. “That was your mistake.”

She didn’t kill him.

She could have.

But she didn’t.

That was the real insult.

Witnesses.

Civilians watched from shattered windows.

Drones hovered overhead.

The footage streamed live.

They saw her smile.

They saw her walk away—again—slow, barefoot, vanishing into the smoke like she’d never been there at all.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

All For One said nothing for a long time.

Shigaraki stared at the screen.

“Did… she just do both sides a favor and insult them at the same time?”

All For One’s voice was hushed.

“She reminds me of someone. No. Something. A forceof nature.”

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Toga added a small blade to the offering altar.

“Stain’s was too heavy.” she giggled, tracing Shuten’s silhouette in charcoal on the wall. “Too clumsy. But you…”

She touched the painting reverently.

“You dance when you kill. It’s beautiful.”

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Back in Hosu.

Heroes and reporters flooded the street.

Stain’s body was still cooling.

Endeavor refused treatment, his stump wrapped in a torn section of his cape.

“She… spared me,” he rasped.

“She chose not to kill me.”

Burnin knelt beside him, voice shaking.

“Why?”

Endeavor didn’t answer.

But deep down, he knew.

Because she was never afraid of them.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

"Legends say Mt. Ōe is cursed."

"Long ago, demons danced there under crimson moons, their laughter thick as wine, their footsteps sinking into the mountain's bones. Heroes tried to kill what lived there."

"None returned whole."

The wind howled around the rusted truck as it climbed the winding path.

Twice kept one hand on the wheel. Shigaraki sat in the back, scratching the raw ruin of his neck, eyes twitching with impatience. Dabi lounged beside him, heat seething off his skin like smoke from dying embers. Spinner clutched his sword. Mr. Compress adjusted his mask and Himiko Toga?

She was thrilled.

She bounced in her seat, giggling as the truck hit another bump.

“We’re really going to see her~” she whispered. “You guys don’t get it. She’s not like us. She’s not like anyone. She’s—divine.”

Shigaraki scoffed. “She’s strong. That’s all that matters. We need more than freaks and amateurs.”

“You don’t find Shuten~” Toga said sweetly. “You offer yourself to her.”

Mt. Ōe
They arrived near dusk.

The mountain air reeked of mist and something older. The trees were twisted. The crows were silent.

And the shrine at the summit?
It wasn’t on any map.

Candles flickered around its edge.

Paper charms fluttered from branches like molted skin.

The torii gate was painted in something redder than red.

She was already waiting.

Shuten sat upon the shrine’s stone steps, barefoot, legs crossed, sake gourd in hand, her eyes glowing faintly in the creeping dark.

She smiled without warmth.

“Little boy~” she said. “You brought your whole circus.”

Her voice was silk wrapped around steel, syrupy and cruel.

Shigaraki stepped forward.

“I want you in the League.”

She blinked.

Then laughed.

It wasn’t a giggle.

It was a scream dressed as laughter.

“You want me?” she repeated. “What an adorable delusion~”

“You don’t understand—”

“No.” she interrupted. “You don’t understand. I don’t join. I don’t follow. I dance through this world on my whim, not yours.”

Dabi sneered. “Then maybe we convince you.”

His flames burst forward.

They never reached her.

She stood—and the air bent.

In an instant, her hand was in Dabi’s chest—not breaking skin, not yet, but close enough that he could feel the vibration in his ribs.

“I don't burn, little boy.”

With a flick of her wrist, he was sent tumbling backward, coughing blood.

Spinner charged next.

His sword never even touched her before she stepped inside his guard, one clawed finger tracing his throat.

He passed out before she touched him.

Mr. Compress tried to trap her in a marble.

The marble shattered.

She grinned.

“None of you are fun.”

Then Shigaraki moved.

Fast. Desperate. His hand shot forward.

Decay bloomed beneath his fingers.

And for the briefest second—he touched her sleeve.

The silk rippled.

Started to crumble.

Then stopped.

She looked down at the decay trying to crawl up her arm.

And just… smiled.

Then her hand reached his throat.

Not enough to kill.

But enough to squeeze.

He dropped.

Coughing.

Weak.

Toga was the only one who hadn’t attacked.

She knelt beside the shrine, whispering prayers in some half-learned language from ancient scrolls.

Shuten turned to her.

“Himiko.”

Toga smiled like a child seeing her favorite teacher.

“Shuten~!”

Shuten bent down, brushing blood-flecked fingers across her cheek.

“You, it's certainly been a while since we last met huh~?”

Toga’s eyes fluttered. “I brought them here. But they aren’t ready, are they?”

“No.” Shuten said. “But you may stay.”

The League limped back to the truck.

Shuten didn’t follow.

She watched them vanish, one by one, broken and silenced.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Shigaraki stared at his bandaged throat.

“She didn’t kill us.”

“No,” Kurogiri said. “She chose not to.”

“She’s going to join eventually-” he rasped, still under the delusion of his charisma. “We just need to find what she wants.”

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

At the shrine. Toga lit another candle.

Shuten drank sake and watched the stars.

“There will be war soon,” she said softly. “Blood. Screams. The fall of pillars.”

Toga leaned against her like she used to do.

“Will you fight?”

Shuten looked at her with ancient eyes.

“…Only if I’m bored again.”

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The air was thick with the promise of battle.

Heroes descended upon Mt. Ōe, their footfalls heavy against the ancient earth, their minds sharp, their hearts ready to strike.

Endeavor, still nursing the stump of his arm, gritted his teeth, leading the charge. His flames flickered as he surveyed the darkening mountain, his eyes burning with purpose. Behind him, a handful of the pro-heroes formed ranks, each ready for the confrontation that would define their careers—or end them.

They came prepared for war.

They came ready to capture the Oni.

But as they neared the shrine, they found something unexpected.

Nezu was waiting for them.

The small, fluffy creature stood at the entrance of the torii gate, calmly sipping tea as though he had been there all along. His sharp eyes met theirs, and despite the size disparity, there was an undeniable weight in his gaze—a weight they couldn’t ignore.

"Stop," Nezu said, his voice a curious mixture of calm and command.

The heroes hesitated, confused but obedient.

"Why aren’t we going in?" Endeavor demanded, his voice taut with frustration.

Nezu looked over his shoulder at the glowing shrine in the distance, where Shuten still sat, her form like an ethereal shadow against the flame-lit sky.

"You don’t need to capture her." Nezu replied, his voice soft. “Not yet. Not in the way you think.”

"She’s a monster! She needs to be stopped before she—"

“No.” Nezu cut Endeavor off with a single word. “You will do nothing.”

A long silence stretched between them.

The heroes bristled at the command, but Nezu remained unmoved, his eyes unwavering as he studied the horizon.

Finally, with a flick of his paw, Nezu turned to the heroes and said, “Follow me. Watch.”

They proceeded in quiet formation, leaving the mountain’s edge behind and moving deeper into the heart of the shrine, where the flickering lights of a sacred fire cast eerie shadows. Nezu stopped before Shuten, who was still seated, her legs crossed, eyes glinting like a star in the night.

In one hand, Nezu held a small offering—fruit, still fresh despite the hike up the mountain, and a flask of sake, as ancient and bitter as time itself.

Shuten looked up.

She didn’t rise.

Her gaze scanned the offering, amusement lighting her features. She was silent for a moment, watching Nezu’s approach with casual disinterest. The others waited, not daring to intervene.

“This is... curious~” Shuten purred, her voice lilting with fascination. “A gift from the heroes?” She reached out, taking the fruit and sake, inspecting them with a detached eye.

Nezu offered no response beyond a small bow.

The heroes watched in stunned silence, perplexed by the scene unfolding before them.

Shuten leaned back slightly, her gourd resting at her side, her smile playful. “Tell me, little creature. What is it you desire from me~?”

Nezu didn’t flinch. He wasn’t intimidated. There was an underlying current of understanding between them—an understanding of power, of worlds that didn’t quite align. “Not everything in this world is for conquest.” he said quietly, almost as if speaking to himself. “Some things—some people—are beyond simple strategies and schemes. Some things are simply… meant to be left alone.”

“And what about me~?” Shuten asked, voice sharp but tinged with a teasing amusement. “Do I fall into that category, then?”

Nezu tilted his head, considering. “You are… something else entirely.” he mused. “Not a hero, not a villain. You belong to a different order of being.”

Shuten’s laughter rang out, echoing against the shrine’s stone walls, deep and rich.

“Perhaps~” she said, her voice low but filled with an ancient resonance. “Perhaps I do and perhaps… I have no need to belong at all.”

The silence stretched again, but this time, it was not awkward. It was a silence of recognition, of understanding between two creatures who knew the weight of their own existence.

The heroes did not dare move.

Endeavor, who had prepared for a battle, found himself rooted to the spot. His burning eyes were fixed on Shuten, but there was something different in his gaze now—a kind of confused hesitation. She had not attacked. She had not destroyed. She had, in fact, simply… received.

Shuten took a long sip from her gourd, savoring the sake. “I’m not a thing to be captured, little heroes. You would learn that if you ever thought to understand.”

Nezu, his sharp eyes never leaving Shuten, spoke again.

“Your world is filled with choices-” he said, almost to the gathered heroes. “Shuten is not part of that world.”

The heroes left Mt. Ōe without a word.

There was no capture. No battle. No final confrontation.

Only the deep, unnerving silence of a meeting that had no conclusion.

As they descended the mountain, confusion reigned among the media.

“Why did they leave?”

“What happened to the fight? Why didn’t the heroes capture her?”

Back at the Shrine

Shuten watched the heroes retreat, her smile lingering for just a moment longer.

“Interesting~” she murmured. “Very interesting.”

Himiko, still kneeling nearby, looked up at Shuten with wide, eager eyes.

“You didn’t kill them~” she said, almost disappointed.

Shuten shrugged nonchalantly. “Not everything needs to die, Himiko. Sometimes, just watching them squirm is enough.”

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The world had turned its attention to Mt. Ōe.

Days after the heroes' strange retreat, the rumors had only deepened. Whispers in the media, on the streets, in cafes—everywhere you went, people spoke of the Oni who had stood before the pro-heroes and left them powerless. The mystery of Shuten’s power spread far beyond the confines of the League or the heroes. Her name was now a symbol, a force that people both feared and revered.

But it wasn’t just fear that grew.

It was respect.

Civilians began remembering old legends.

In the quiet corners of cities, where old books were still passed down through generations, stories of the ancient Oni resurfaced. Tales of power that could reshape worlds. Of a time when monsters roamed freely and gods themselves trembled before their strength. It wasn’t long before the whispers spread from the dark corners of the world to the ears of those who needed to hear it most: the faithful, the lost, the broken.

They began to believe.

And in their belief, they came.

Gifts started to appear.

First, it was a lone man, an elderly figure draped in layers of weathered cloth, carrying a basket of fruits—bananas, pomegranates, and apples—all wrapped in silk cloth as old as the mountain itself. He left them beneath the torii gate, a gesture of respect, of offerings to something beyond the realm of men.

Then came more—a woman with honeyed wine, a child with a single, bright red apple, a family with delicate handwoven baskets filled with rare herbs, fragrant and healing. The people who had once feared the mountain now approached it, not with dread, but with reverence, as though they were offering to a goddess.

Shuten watched all of it from her perch atop the shrine. The offerings were many, stacked high in front of her. Fruit, sake, incense, rare textiles, and even jade trinkets. Each offering carried a bit of the person who had placed it—tangible proof of their hopes, their respect, their growing belief that perhaps she was more than just a destructive force. She was something divine.

The glow of her violet eyes flickered in amusement as she surveyed the growing collection. She leaned back slightly, savoring the gifts.

“They do this of their own volition~" she murmured, swirling sake in her gourd. “How interesting~”

She was pleased. The gifts were welcome, yet her gaze remained detached. The adoration was nothing special to her, yet this strange form of reverence was a delicious novelty. People were bringing her their hopes—offering what they thought would appease her.

But it wasn’t their gifts she cared about. It was their belief.

Giran and Himiko arrived a few days later.

The pair, working in their usual stealth, had been busy perfecting Shuten’s shrine. Giran, with his extensive connections, had been slowly repairing the aging stonework, reinforcing it with delicate but sturdy materials. His eyes gleamed with fascination as he inspected the shrine’s intricate designs, adding his own touches of creativity to the architecture. Stone pillars were reworked with elegant carvings of creatures both monstrous and divine, while the torii gate was enhanced with more subtle, refined patterns that symbolized the duality of life and death.

Meanwhile, Himiko had been tasked with a more personal touch: enhancing the shrine’s interior. She brought with her an assortment of decorations—colorful paper lanterns, delicate cloths embroidered with images of dragons and oni, and an assortment of strange, hand-painted figures of mythical beasts. The entire shrine began to take on an otherworldly quality, an atmosphere steeped in mystery and ancient power.

As they worked, Shuten watched from her spot atop the shrine steps, amused by the two of them. Himiko hummed contentedly as she draped yet another cloth over the stone altar, while Giran carefully added another layer of protection to the shrine’s entrance. Shuten had no need to intervene; the shrine was already shaping itself into something worthy of her.

“You know~” Shuten purred, her voice floating down from her perch. “This shrine is becoming... quite impressive. It looks like something from another time. Another age.”

Himiko glanced up, her eyes gleaming with joy. “I’m glad you like it! I thought it should reflect you, Shuten, with all its chaos and beauty.”

Shuten chuckled, her laughter carrying on the wind like the distant sound of a storm. “Chaos and beauty... yes, I suppose that fits.”

Giran nodded, wiping his brow. “It’s the least we can do. You’ve given us so much, after all. Buisness has been booming ever since you showed up UA.”

As the shrine took shape, the offerings continued to flood in.

The people’s belief in Shuten grew stronger. More and more civilians came, many in the dead of night, placing their offerings of food, drink, and strange, rare artifacts before the shrine. They never spoke of it openly, but they understood. Shuten had become something larger than herself—she was a force that transcended the boundaries of the world they knew.

Shuten’s violet eyes gleamed in the dark as she surveyed the gifts with quiet amusement. She couldn’t help but be intrigued by these mortal acts of devotion. It was a strange sensation, one she hadn’t felt in a long time.

The media watched in confusion.

Reports came in of heroes entering the mountain but leaving without so much as a single altercation. There were no battles, no fiery confrontations. Just… peace.

The question lingered: why had the heroes not taken action? Why had they left Mt. Ōe without confronting Shuten?

One journalist, who had managed to track down a few of the heroes, published a controversial piece: "Did Shuten win? Did the Heroes lose?"

The article sent shockwaves across the media, but Shuten’s name remained as an enigma. The public was left to wonder: what would come next?

At the Shrine, that night.

Shuten sat in a quiet corner, sipping her sake, her eyes closed in thought. She could feel the reverence around her, the whispers of the people, the offerings, the respect. It was all so... delicate, fragile. But it was real.

For a moment, she wondered if this was the beginning of something more.

A shift in the world.

An invitation into something older.

Perhaps the storm that had followed her so long ago was finally ready to calm.

Or perhaps it was only beginning.