In the Class 1-A dorms, the common room buzzed with energy as both Class 1-A and Class 1-B gathered for a casual get-together. What began as a surprisingly peaceful evening—filled with snacks, games, and awkward small talk—quickly took a turn.
Naturally, it was Monoma who started it.
What began as a few jabs and passive-aggressive compliments quickly escalated into a full-on verbal sparring match between classes. Normally, Battle Fist would've stepped in and shut it down fast—probably by knocking Phantom Thief to the floor with a casual sweep—but this time, the argument slipped out of hand before anyone could intervene.
It all shifted when Bakugo spoke.
"Tch… you're insulted?" Bakugo scoffed, his voice sharp and unfiltered. "Shut up. None of this is about hugging out attention. The attention's on us because your class is just a pile of nobodies. Side characters."
The room went quiet.
Then Bakugo stepped forward, his tone colder than usual. "You were right about something, though—and wrong at the same time. You think we all act like we're the protagonists of this school? Nah. Just me."
He smirked. "I'm the protagonist here. Everyone else in my class? Maybe they're side characters. But you? You're not even that. You're background noise. And Phantom Thief?" He tilted his head slightly. "He's just a bug in the background, yelling to be noticed."
It was like lighting a fuse in a room full of dynamite.
Class 1-B erupted. Not just because Bakugo insulted their class—but because he insulted him. Phantom Thief. Even with all his sharp words and arrogant flair, they knew who he really was. He was the one who encouraged them after bad grades, the one who pushed them to train harder, who told them every single day they were capable of being great.
Even if Class 1-A only saw his worst side, Class 1-B saw it all. They knew why Phantom Thief had an ego problem. They knew about his self-esteem issues. They knew he'd bite at anyone who looked down on him because deep down, he hated the idea of being left behind. He was annoying, yeah—but he was theirs. Second only to Battle Fist in leadership, even if he wasn't officially vice rep. They didn't vote for him, but they followed him anyway.
So hearing him get reduced to a "bug"… it wasn't something they could take.
What was a petty argument turned into a storm. The shouting became pushing. The pushing became sparks, literal and figurative, and within minutes, a full-on brawl broke out between the two classes.
Midoriya was caught in the chaos, trying to play the peacemaker while simultaneously blocking a flying cup with one hand and shielding Eri with the other. The little girl clung to his shirt, clearly terrified, her wide eyes brimming with tears.
"Eri, it's okay, it's okay—stay behind me," he whispered, trying to keep calm.
Thankfully, help arrived just before things got out of control.
"All right, get in line, kids! This isn't the time!" a commanding voice barked from across the room. It belonged to Vlad King, the homeroom teacher of Class 1-B, who strode in with his usual stern expression. Not a second later, Eraser Head followed behind, addressing his own class with a steely glare.
"Enough," Aizawa said, voice calm but firm. "Now."
The fighting froze almost instantly. Even Bakugo, who still looked ready to throw hands, gritted his teeth and backed off under Aizawa's gaze.
But something felt… off.
The teachers weren't alone.
Heroes. Real pro heroes. A lot of them.
Dozens had entered the dorm building alongside Vlad King and Aizawa—recognizable faces from across the city and even some they had only seen during their internship periods. Some were obscure, but others were major names—heroes who rarely left the field unless something serious was happening.
(Author's Note: Okay, just to clarify—it's not only the big-name heroes like Endeavor, Hawks, and Best Jeanist who showed up. Some of the background heroes who are still kinda important are here too—like Mt. Lady, Death Arms, and Kamui Woods (I keep forgetting how to spell the first part of his name, so I'll just call him Woods). A couple more like that are included as well, along with the entire U.A. staff.
I'm not going to name all of them since there's a lot, and I'll probably forget someone. So just keep in mind: if they're a named hero we've spent any time with—even if it was just for a single arc or moment—they're probably here. That should make things easier to follow.)
And standing at the front of them all was none other than Principal Nezu, calmly stepping forward as if addressing a press conference.
"Students," Nezu said with a polite smile that didn't quite hide the sharp glint in his eyes, "this isn't exactly what we expected. So I'll ask once—what is this emergency you warned us about?"
Confusion swept the room. The brawl? That couldn't be it.
Iida immediately stepped forward, hand chopping the air with his usual formal precision.
"Principal Nezu! We never sent any emergency alert! We were merely gathered in our dorm, as scheduled, when Class 1-B entered. If there was a summon, they must have sent it."
Battle Fist stepped up, face red with frustration. "That's not true! Vlad King called us here. We thought the joint training session was moved up. That's why we came!"
Every teacher's eyes turned to Vlad King.
He blinked, clearly caught off guard, and raised both hands in denial. "I never sent any such order. I was in my office reviewing paperwork."
Before anyone could fully process the contradiction, another voice joined the chaos—this one booming and unmistakable.
"Wait a minute. Two false summons?"
Everyone turned.
Standing tall, arms crossed, and visibly annoyed, was Endeavor—the number one hero, eyes narrowing at the confusion in the room.
"Then what the hell is this?" he growled. "Why did multiple top heroes—including me—receive an emergency distress signal from U.A.? We dropped everything thinking this was real."
The room fell into stunned silence.
Aizawa turned to him. "You mean… you followed us because of the emergency signal?"
Endeavor nodded. "That's right. And we weren't the only ones."
But before anyone could respond—before they could even form a theory—a loud metallic pulse echoed through the room. A glowing blue light tore open beside them, like a crack in the air itself.
Everyone spun to face it.
From the light stepped a figure clad in silver and white armor, glowing lines of energy pulsing between the plates. A regal blue fire burned in the gaps, and a matching fiery blue cape flowed behind him. A full helmet covered his face, and flames flickered from the visor like glowing eyes.
And then—without a single word—everyone vanished.
The armored knight disappeared in an instant… and so did every single student, teacher, and hero in the room.
Silence returned.
The dorms stood empty.
In a dimly lit hideout somewhere deep in Japan, the League of Villains were regrouping—resting after whatever scheme or operation they'd been carrying out.
(Author's Note: I honestly don't remember what they were doing at this exact point in the story, since this takes place a few weeks to a month and a half before the Joint Training arc. Just pretend they were doing something important. Cool? Cool.)
The air was still, thick with the quiet tension that always seemed to follow them.
Dabi leaned against a wall, arms crossed, while Toga absentmindedly flipped a knife between her fingers. Twice was talking to himself again—arguing over the best way to cook curry—while Spinner sat nearby, trying to read through some old manga he'd found.
Shigaraki stared at the ceiling, fingers twitching idly.
Then it happened.
Without warning, a swirling portal tore open in the center of the hideout. Glowing with pale silver light and humming with unnatural energy, it wasn't like Kurogiri's mist—it felt colder, heavier, like space itself was cracking.
The League didn't wait.
The moment the armored knight stepped through—towering, silver and white, glowing blue between the seams of his plate armor and with flames licking from his cape—they moved. No hesitation. All of them charged forward at once, quirks flaring into action.
But it was pointless.
Just like that, they vanished.
The knight didn't speak. Didn't move. He merely stood in place until every last member of the League had disappeared with a pulse of blue light.
Then, as quickly as he came, he turned and walked back into the portal.
But he wasn't done.
The portal opened again—this time on I-Island
Melissa shield was taken
And then back to UA
He took two students.
One was a girl with bright pink hair tied into dreadlocks, who stumbled in confusion as the light enveloped her. The other was a boy with purple hair and dark under-eyes, clearly exhausted—he barely reacted before the portal swallowed him too.
Then the scene changed again.
The same portal opened within the highest-security prison in Japan.
And this time, something strange happened.
Time stopped.
Everything—guards, inmates, cameras, machinery—froze in place like a paused video. No one moved. No one breathed.
Except for two.
All For One, bound and locked in reinforced restraints, and Stain, crouched in his isolated cell, slowly raised their heads at the same moment.
They both sensed it.
The knight entered without resistance. The doors opened for him without touch, and not even the layers of security slowed his pace.
He approached All For One first.
The once-feared king of villains said nothing. He simply stared as the knight raised a hand—and disappeared in a flash of silver light.
Then Stain.
The moment the knight entered his cell, the Hero Killer stood, his eyes gleaming with that same fire of justice-turned-wrath.
He didn't resist.
He didn't speak.
And then, he too was gone.
Even after the knight and his new passengers vanished, the prison remained frozen. Time itself still paused, locked in that same single moment.
And the knight? Gone. Not a trace left behind.