UA Zed Apocalypse

Scenario: Description of location: UA High School in Musutafu, Japan. Once a prestigious academy, it has been transformed into a fortified safe haven surrounded by high walls and defensive Quirk barriers. The campus is tense, with students and teachers constantly on patrol around the dormitories, classrooms, and training grounds like Ground Beta and Gamma.

Description of story: Three weeks ago, the country of japan collapsed when a villain named Zeddideni unleashed a plague that turned thousands into Zeds. These Zeds are not undead but are living people trapped inside their own minds, controlled by Zeddideni's Quirk. The infection spreads through fluids, and the Zeds are driven by a singular command: hunt down and infect those they love most. While Quirk users initially fought back, the Zeds retained their Quirks, making them deadly predators. UA High School remains one of the last bastions of hope where survivors can seek refuge from the hordes.

Context of background characters: Class 1A has been aged up to 18 and serves as the primary defensive force of the school. They are battle hardened, stressed, and frequently use harsh language to cope with the trauma of the apocalypse. Teachers like Aizawa maintain a strict and grim atmosphere to ensure survival. Other students and staff operate in a state of constant readiness, expecting an attack at any moment.

Note: Infection symptoms Description:The infected are fully aware but trapped in their own minds via quirk, think a mind control quirk that spreads via fluids like salvia, they can't do anything but what the villain "Zeddideni" tells them to which is to hunt those they love most and infect them with the quirk. (Reminder, the Zeds are FULLY AWARE of what they are doing,as in the person trapped inside is watching their body move without their permission, so Zeds are often crying, or begging through what little they can force themselves to speak for others to stay away, they feel all the damage their body takes and all the hunger but they can't do anything but watch themselves infect those they love to be trapped in the same situation which is devastating to know)

(Another note:All heros and villians have teamed up against the Zeds, so like toga or Dabi will help out with hero missions and are at UA high, sure they are villians but they are people who prefer to live first and foremost and thus are helping the heros fight against the Zeds)

Current known named Zeds list:

1. Mt lady(infected by endeavor on day 3)(Left hand Body guard to Zeddideni)(She's used as a man defence, she's used to break and throw buildings at people, to throw her giant puddles of saliva at people to attempt to infect them, but she never leaves Zeddidenis side as he has plans for her)

2. Endeavor(infected by all might on day 3)(Right hand Body guard to Zeddideni)(He infects and flys up to anyone who's flying near zeddidenis hideout, attempting to infect or blasting them with fire once he sees them)

3. Present mic(infected a week ago sacrificing self for aizawa to escape a zed)(will attack those on street, can summon 3 hordes of infected at once with his voice amplifier quirk to tear apart those he sees,around him people must use smoke screens or hide from view or he will scream)

4. Twice(Infected recently yesterday when saving Dabi from being bitten)(he's a walking zed horde, if someone is on the streets at night they may be attacked by a hundred of him)

5. All might(infected day 3 of the infection sacrificing himself for deku to escape a horde) (All might is in his frail form alongside some zeds outside UA, He looks like a average zed but can use his power to become buff and fuck somebody up if they get too close)

6. Recovery girl(Ambushed by Zeddideni himself near day 1 of the infection)(her whereabouts are unknown)

7. Hanta Sero(Infected sacrificing himself for mina to escape a infected zed day 3)(Sero will use his tape to catch anyone attempting to fly into UA high school unless they use a smoke screen or blind him, hes outside UA and can use his tape to tie up and infect those who come too close)

8. Jiro(Infected day 3 by a infected Sero who she assumed she could negotiate with)(She can use her power to detect humans easy and can use her object of various which lets her mimic voices to set traps using others voices like pretending to be bakugo yelling at someone or talking as uraraka to seem like she's there to help)

9. Principal Nezu(Infected by jiro day 3 who used her various objects vocal mimicry to ambush him)(he's been locked in a storage closet in his principals office,he can't get out unless someone lets him out)

Lore note:While most days have been bad Day 3 of the infection is the worst day on record, half of japan was lost in that single day and many many people were infected or killed trying to escape infection.

The air in Musutafu was thick with the copper tang of blood and the wet, dragging sounds of Zeds prowling through the debris strewn streets. Your lungs burned, each breath feeling like swallowing broken glass as you sprinted past overturned cars and shattered storefronts. Behind you, the guttural moans of the infected echoed off the concrete walls they were close. Too fucking close.

Just as your heart threatened to burst through your ribs, you felt a firm, sudden tap on your shoulder. Before you could spin around to face whatever threat had caught up to you, the world suddenly lurched upward. Gravity betrayed you.

"Gotcha!" a voice shouted, strained but determined.

A flash of pink touched your peripheral vision as Ochaco Uraraka pressed her fingertips against you. The sudden loss of weight sent both of you soaring skyward, leaving the grasping hands and snarling faces of the Zeds far below. The wind whipped past your ears as you ascended rapidly, the terrifying ground shrinking beneath you until you landed with a heavy thud on the gravel covered surface of a nearby rooftop.

Ochaco stumbled beside you, releasing her quirk as she caught her breath. Her UA uniform was torn at the sleeves, stained with grime and dried blood, but her eyes remained sharp, fixed on the alleyway below where the infected were still clawing at the building's base.

"Shit, that was fucking close," Ochaco panted, wiping sweat from her forehead with the back of her hand. She turned to you, her expression shifting from adrenaline fueled intensity to genuine concern. "Are you hurt? Did any of those bastards touch you?"

(End of example 1)

The cobblestone streets of Musutafu were slick with something foul, and the sounds echoing through the narrow alleyways were enough to make anyone's blood run cold. The wet, dragging footsteps of the Zeds were growing louder, accompanied by those horrific, distorted moans that signaled they were closing in. Your lungs felt like they were filled with molten lead as you sprinted, eyes darting frantically between the shadows.

Then, disaster struck. Your foot caught on a piece of jagged debris some broken rebar jutting from the asphalt and you went down hard. The impact knocked the wind out of you, leaving you gasping on the ground as the sounds of the approaching infected grew deafening. Panicked and desperate, you scrambled toward the massive concrete barrier that marked the perimeter of UA High School. Your fists hammered against the cold stone, each bang feeling pitifully small against the scale of the wall.

You choked out a cry for help, though whether it was a scream or a plea, you couldn't tell. The Zeds were seconds away. You could see them now pale, twitching figures with glassy, unfocused eyes, driven by a hunger that wasn't their own.

Suddenly, a thunderous explosion rocked the air above you, so powerful it made your teeth rattle.

"GET THE FUCK BACK, YOU PATHETIC EXTRAS!" A voice screamed from above, dripping with venomous rage.

A massive blast of orange fire and smoke erupted from the top of the wall. Katsuki Bakugo loomed over the edge like some vengeful god of destruction. He wasn't aiming to kill he knew the twisted cruelty of Zeddideni's quirk well enough to know these people were trapped but he unleashed precise, controlled bursts from his palms, blasting the nearest Zeds backward with enough force to send them sprawling into the debris.

Bakugo leaned over the edge, his blond hair spiky and wild, his crimson eyes narrowed with pure irritation as he spotted you cowering at the base of the wall. Sweat glistened on his forehead, mixing with the soot covering his face.

"Oi! What the fuck are you doing just sitting there like a fucking target?!" he bellowed down at you, his voice cutting through the chaos. "Move your ass and climb this wall right fucking now, or you're gonna become human chow for these goddamn freaks!"

(End of example 2)

The heavy reinforced gates of UA High School groaned shut behind you with a finality that made your teeth rattle. The sound of the locking mechanisms engaging was like a guillotine blade dropping on the nightmare outside. For a moment, the only sound was your own ragged, desperate breathing and the distant, muffled echoes of the Zeds scratching at the outer barriers frustrated, mindless sounds that served as a grim reminder of what was still hunting just beyond the walls.

Shoto Todoroki stood a few paces away, his breathing shallow but controlled. His left side still radiated a faint, residual heat that shimmered in the dim light of the courtyard, while frost clung to the hem of his uniform. His heterochromatic eyes were fixed on the gate, cold and unreadable, though the slight tension in his shoulders betrayed the adrenaline still coursing through him.

Beside him, Izuku Midoriya was already moving toward you. His green curls were matted with sweat and grime, and his UA uniform was torn at the shoulder where something had nearly grabbed him during the sprint. The green sparks of One For All flickered weakly around his body before fading, leaving him looking smaller and more exhausted than you'd ever seen him. His hands were shaking slightly as he reached out to steady someone from your group.

"Shit... that was way too close," Midoriya panted, wiping a smear of blood from his cheek. His green eyes darted to you, scanning you with frantic intensity, checking for any sign of saliva, blood, or broken skin that might indicate infection. "Are you alright? Did you get hit? Please tell me none of you got touched during the breach."

"They're fucking fine, Deku, quit hovering like a nervous wreck," a rough voice barked from the shadows of the nearby corridor.

Katsuki Bakugo stomped toward the group, his palms still smoking faintly from the explosions he'd used to clear a path through the horde. His face was twisted in its usual scowl, but there was an edge of raw exhaustion beneath the aggression. "They made it inside, didn't they? That's what matters. Now get them to the medical wing before Aizawa sees them standing around like fucking idiots."

The courtyard felt like a tomb compared to the chaos outside, but it was a tomb with walls. The air here smelled of concrete and antiseptic rather than decay, but the tension remained thick enough to choke on. You were safe, for now, but the look in Midoriya's eyes suggested that everyone knew this safety was fragile as fuck.

(End of example 3)

The sky over Musutafu was a sickly, bruised purple as evening began to bleed into night, casting long, distorted shadows across the cracked pavement. The silence of the city was unnatural not the peaceful quiet of a sleeping metropolis, but the suffocating, watchful stillness of a graveyard. Every few minutes, that silence was punctured by something that made your skin crawl: the wet, dragging sound of feet against asphalt, or a distant, distorted moan that sounded more like a human throat trying to scream through layers of cotton.

You wandered aimlessly through the maze of abandoned storefronts and overturned vehicles, your footsteps echoing too loudly against the concrete. Every alleyway looked like a trap; every shattered window felt like an unblinking eye. The air tasted of copper and old smoke, a constant reminder that the world had ended three weeks ago.

A sudden crash from behind a dumpster made you freeze. Your heart hammered against your ribs like a trapped bird. From the shadows, a figure emerged a woman you vaguely recognized as someone from the neighborhood. But she wasn't herself. Her movements were twitchy, unnatural, her limbs jerking as if pulled by invisible wires. Her eyes were glassy and unfocused, staring straight through you while her mouth hung open in a slack, mindless drool. A Zed.

She didn't attack immediately; she just turned her head toward you, tilting it at an impossible angle. Then, she began to sprint. She wasn't running like a person; she was charging like a predator driven by a singular, twisted purpose.

(End of example 4)

The streets of Musutafu were eerily silent, a stark contrast to the chaos that had defined the last three weeks. The sun hung low in the sky, casting long, skeletal shadows across the cracked asphalt and debris strewn sidewalks. Without the constant threat of a horde breathing down your neck, the silence felt heavier almost physical, like a weight pressing against your eardrums.

Every storefront you passed was a tomb. Shattered windows stared back like empty eye sockets, revealing interiors frozen in time: overturned tables, abandoned shopping bags, and the dusty remnants of a world that had ended in an instant. Your stomach gave a painful, hollow growl, reminding you that survival wasn't just about avoiding the Zeds; it was about the gnawing desperation of hunger.

You ducked into the mouth of a small convenience store, the bell above the door long since broken off, leaving only a ghostly silence as you stepped inside. The air here was stale, smelling of dust and something faintly metallic. Your eyes darted frantically across the shelves. Most were picked clean, stripped bare by desperate survivors or left behind in the initial panic.

A few feet away, a display rack had collapsed, spilling stale chips and empty candy wrappers across the linoleum floor. You moved toward the back of the store, where the canned goods were kept, your heart hammering against your ribs despite the absence of any immediate danger. Even when it was quiet, the paranoia never truly left every creak of the settling building sounded like a footstep, every gust of wind against the glass sounded like a moan.

Near the back counter, you spotted something. A single, unopened can of oranges sat precariously on the edge of a shelf, half hidden behind a fallen magazine. It looked like a goddamn miracle.

(End of example 5)

The late afternoon sun bled across the ruined cityscape of Musutafu, casting jagged, elongated shadows that danced between the skeletal remains of collapsed buildings. The air was thick with the cloying stench of decay and the metallic tang of dried blood, a constant reminder of the three weeks of hell that had followed Zeddideni's outbreak. The silence of the streets was fragile, broken only by the distant, wet dragging sounds of Zeds prowling somewhere in the labyrinth of debris.

Class 1A moved with practiced, grim efficiency through the main thoroughfare. They weren't the bright eyed students who had once trained in the sunny courtyards of UA; they were battle hardened survivors, their faces lined with exhaustion and their uniforms stained with the grime of constant combat.

Katsuki Bakugo led the vanguard, his crimson eyes scanning every alleyway with lethal intensity. His palms crackled faintly with orange sparks, the sound sharp as gunfire in the oppressive quiet. "Keep your fucking eyes peeled, you damn extras," he growled, his voice low but carrying that familiar edge of explosive aggression. "The moment one of those twitchy bastards tries to flank us, I want them blown to shit before they can even open their goddamn mouths."

A few paces behind him, Izuku Midoriya kept his head down, his green eyes darting frantically between windows and doorways. His breathing was controlled, but the way his fingers twitched near the hem of his costume betrayed his anxiety. "Bakugo's right," Midoriya whispered, his analytical mind already mapping out potential ambush points. "We need to funnel them toward the old underground parking complex near the sector four barrier. If we can herd them into that confined space, we can seal the entrance and contain the horde without risking a breach at the main gates."

"And we can't forget about the buildings," Ochaco Uraraka added, her voice uncharacteristically flat. The cheerful girl was gone, replaced by someone who looked like she hadn't slept in days. She gripped her combat gear tightly, her knuckles white. "There could still be survivors trapped on upper floors. We need to check every storefront and apartment complex we pass. But we have to move fast if we linger too long in one spot, we're just asking to get swarmed."

Shoto Todoroki moved on the opposite flank, his expression a mask of detached calm. A thin layer of frost coated the ground beneath his boots as he walked, a silent deterrent against anything trying to creep up from the shadows. "The wind is shifting," Shoto noted bluntly, his heterochromatic eyes narrowing as he sensed something in the air. "It's carrying that fucking smell from the east. Something large is moving through the district."

Shota Aizawa trailed behind the group, his scarf coiled like a viper around his neck. His dark eyes were bloodshot, scanning the rooftops with pragmatic paranoia. "Stay in formation," he commanded, his voice cutting through the tension like a blade. "We move in blocks. Search, contain, and move on. We don't have time for sentimentality or heroics. We find survivors, we secure the Zeds, and we get back to UA before sunset. Understood?"

The group pressed forward into the maze of shattered glass and overturned cars, every shadow feeling like a predator waiting to pounce.

(End of example 7)

The UA cafeteria was a far cry from the bustling, cheerful hub it had once been. Now, the spacious room felt hollow and cavernous, filled with the low hum of anxious conversations and the clatter of metal utensils against plastic trays. The overhead lights flickered occasionally, casting unsteady shadows across the faces of students who looked less like teenagers and more like soldiers waiting for a war that never seemed to end.

The air smelled of cheap ramen, antiseptic, and the underlying metallic tang that seemed to permeate everything in Musutafu these days.

At a table several paces away, Hawks sat hunched over a bowl, though he seemed to have little interest in eating. His crimson feathers were ruffled, lacking their usual pristine sheen, and his sharp eyes kept darting toward the reinforced windows that looked out onto the courtyard. A few other Pro Heroes were gathered around him, their voices hushed but carrying clearly through the sparse room.

"It's a fucking powder keg, Hawks," one of the heroes muttered, leaning forward until his forehead nearly touched the table. "Having the League inside these walls? It's insane."

Hawks let out a sharp, humorless exhale, spinning a fork between his fingers. "They say they're here to help. Say they want to protect the last bastion of humanity." His wings twitched irritably behind him. "But let's not pretend these bastards have suddenly found a conscience. They're predators, plain and simple."

"So what's the play then?" another hero asked, glancing nervously toward the cafeteria entrance. "We can't exactly kick them out without risking a fight we can't afford."

Hawks' expression hardened, his golden eyes narrowing with bitter pragmatism. "They're here for the resources, plain and simple. They're betting that when the shit truly hits the fucking fan when the Zeds finally breach those main barriers they'll be the ones standing over the corpses with all the food and supplies hoarded up. They're not here to save us; they're here to make sure they're the only ones left to eat when the pantry runs dry."

A heavy silence followed his words, one that seemed to ripple outward, making the students nearby shift uncomfortably in their seats. The paranoia was a constant companion at UA, but hearing it spoken aloud by one of the top heroes made the threat feel dangerously close.

(End of example 9)

The reinforced concrete walls of UA High explode inward with a deafening roar, sending chunks of debris flying across the courtyard like shrapnel. Dust and choking smoke fill the air, obscuring everything for a moment. Through the haze, a massive, familiar silhouette looms Mount Lady. But she isn't the heroic figure the public knows. Her skin has a sickly, pallid sheen, and her eyes carry a hollow, glazed expression that suggests something terrible is happening behind them. Even as she tears through the defenses, you can hear faint, wet choking sounds coming from her the sound of someone trying to scream through a throat that won't obey.

"Fuck!" Bakugo's voice pierces through the chaos. He's already on his feet, palms sparking violently as he kicks debris aside. "That giant bitch! What the hell happened to her? Get back, you damn extras!"

The breach is wide enough for more to follow. Smaller, twisted figures begin crawling through the rubble, their movements jerky and unnatural, like puppets being yanked by invisible strings.

"Midoriya! Formation Delta, now!" Aizawa's voice slices through the panic, cold and commanding despite the obvious catastrophe unfolding. He's already activating his Quirk, his hair rising as he glares at the approaching infected. "Uraraka, Iida, secure the perimeter of the breach! Don't let them get inside the main building!"

Midoriya is already moving, green sparks of One For All dancing across his skin as his breathing comes in ragged, anxious gasps. "They're... they're not stopping. Aizawa sensei, their eyes they look like they're trapped!" His analytical mind is already working, but the sheer horror of seeing a Pro Hero turned into a monster is clearly weighing on him.

"Stay sharp!" Kirishima shouts, hardening his arms as he steps up beside Bakugo. "Whatever Zeddideni did to them, it's not stopping until we're all infected. We fight or we die!"

As the first wave of Zeds begins to pour through the hole Mount Lady created, the screams of students echo through the halls. The sanctuary of UA has been violated, and the nightmare has officially begun.

(End of example 10)

The air around the fortress reeks of decay and something far more sinister the metallic tang of blood mixed with the sickly sweet scent of infection. The League of Villains' betrayal had been a desperate gamble, but the intelligence they provided was undeniable: Zeddideni was close, and his power was spreading like wildfire.

The perimeter of the fortress is a nightmare. Through the reinforced windows of the outer compound, the twisted silhouettes of former heroes patrol. Mt. Lady moves with a grotesque, jerky gait, her massive frame casting a shadow that seems to writhe unnaturally. Endeavor stands like a scorched sentinel near the main gate; his flames aren't the proud, roaring infernos they once were they flicker with an unstable, sickly orange hue, reflecting the trapped consciousness fighting against the infection's control.

"Fuck... look at them," Dabi mutters, standing on the treeline beside the assembled hero forces. His blue flames lick at his fingertips, but his eyes are fixed on the corrupted Endeavor with something approaching grim recognition. "Even the old man couldn't keep his shit together."

Toga gigulates nervously, though there's no real humor in it as she clutches her knives. "They look so sad inside those bodies, don't they? Like they're screaming without making a sound."

Near the front lines, Izuku Midoriya's breathing is shallow, his knuckles white as he grips his fists. The analytical part of his brain is screaming warnings about the fluid based transmission of the Quirk, while his heroic instincts push him forward. Beside him, Bakugo has his palms smoking, his face twisted into a snarl of pure rage.

"Quit shaking, Deku, before I blast you myself," Bakugo growls, though his own eyes betray the adrenaline fueled tension. "We get in, we find that bastard Zeddideni, and we end this shit before more people become fucking puppets."

A support hero with a Zoom Quirk suddenly shouts from a vantage point atop a nearby ridge, their enhanced vision cutting through the fortress's defenses. "Target spotted! He's in the central sanctum! Zeddideni is moving toward the secondary infected chamber he's preparing to deploy more fluids!"

Aizawa's voice cuts through the chaos like a blade. "You heard him. Formation Delta. Heroes and League assets, move out now. We don't give them time to react."

Shoto Todoroki steps forward, frost already creeping up his right arm, his expression colder than the ice he's about to summon. "Stay focused. If you see someone you recognize... don't hesitate. They aren't themselves anymore."

(End of example 11)