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Across countless worlds.
On the vast projection screen.
The bloody scene of demons devouring humans kept playing, sparking waves of uproar everywhere.
Detective Conan World
"Whoa, whoa, whoa! Starting off with that is way too much—it's gonna scare the kids!" Conan couldn't help shouting.
"Hey, Haibara, you sure this isn't just some elaborate prank?"
"Who knows. Either way, we don't really have a choice but to keep watching," Haibara answered calmly.
Ling Cage World
"Waaah!" Little Shadou screamed in terror.
"Wh-what the hell are those things? Way creepier than any of those mutants we've seen. Are those… demons?" the burly Shanda's eyes bulged.
"Could it be some mutation on the Lighthouse, turning people into monsters like this?" said the long-haired beauty, Suixing, frowning.
"No." Bai Yueku—silver-haired, long-legged, and utterly sure of herself—shook her head firmly.
"The clothes I saw, on both the demons and their victims… they don't belong to the Lighthouse. They look more like something from ancient Sakura."
Her gaze sharpened, suspicions forming.
Attack on Titan World
"They're demons, not Titans. Which means… what we're seeing on that screen isn't our world, right?" Armin speculated.
"Armin, what are you trying to say?"
"If it's not our world, then where?" Eren and Mikasa both pressed him in shock.
"Ahh, I don't know for sure. It's just this feeling… let me think!" Armin clutched his head, overwhelmed.
Tokyo Ghoul World — CCG Headquarters
"Judging from the way those demons feed, we can already confirm this isn't the work of ghouls. And certainly not from our era."
"That's right. The victims' clothing—ancient, without a doubt."
"So then… these are records of ancient ghouls?"
"Possible. Either way, we need to prepare for the worst."
The investigators of the CCG began arming themselves.
And not just in the Ghoul world—across other places like Shiki, The Promised Neverland, Parasyte—worlds all too familiar with man-eating creatures—people held their breath, nerves taut.
Demon Slayer World — Demon Slayer Headquarters
The Pillar Meeting was underway. All nine Hashira had gathered, the main agenda being whether Nezuko—turned demon—should be executed.
Sanemi Shinazugawa, the Wind Hashira, pressed hard, his words cutting like blades.
Tanjiro, head held high, refused to yield. With no hesitation, he smashed his forehead into Sanemi's face, stunning even the mighty Wind Hashira.
Just as the argument was about to explode—
The sudden projection screen diverted everyone's attention.
And when the images of demons feasting flashed across it, every single Hashira's eyes went red.
They knew instantly.
This was their world being shown.
"Muzan Kibutsuji!!!"
Tanjiro's voice cracked with fury. Even though he'd only crossed paths with Muzan once in Asakusa, he could never forget the face—or the scent—of the demon who had slaughtered his family.
"What?!""Muzan!""Where is he?!"
Shinobu, Rengoku, Obanai, Sanemi—each of the Hashira bristled with killing intent.
"There's no mistaking it. Muzan… the stain and shame of our clan for a thousand years… cough—cough—"
Ubuyashiki Kagaya, their frail master, doubled over coughing blood, his body failing even as his fists clenched.
"Lord Ubuyashiki!""Please, take care of yourself!" cried Himejima, the Stone Hashira.
"Everyone, calm yourselves," Mitsuri Kanroji, the Love Hashira, tried to soothe them with a bright smile. "Muzan isn't here. What we're seeing must be from the past. Let's keep watching."
"Yes… cough… this screen may provide vital information on Muzan. For now, the meeting is adjourned." Ubuyashiki's voice was firm despite his weakness.
Infinity Castle
Because of Rui's death, Muzan had gathered the Lower Moons for judgment.
But before he could act—
The sudden projection screen disrupted everything.
As the scenes revealed fragments of his past, Muzan's expression grew darker than ever.
For someone who had lived in shadows, keeping his existence secret, never exposing himself—this was nothing less than public execution under the sun.
"Damn it! Damn it! Damn it!!!" Muzan roared in rage.
Even the Twelve Kizuki shrank back in terror. Not even the Upper Moons dared breathe too loudly.
Thorned whips lashed out wildly from Muzan's back, but no matter how he struck, the screen was untouchable—near, yet infinitely out of reach.
The revelations about Muzan and his demons continued to spread across worlds.
Super God Universe
"Pathetic lower creatures," Angel Queen Keisha sneered dismissively.
Qin's Moon World
"Eternal life through becoming a demon… could this be the 'immortality' Xu Fu spoke of in the east?" Emperor Ying Zheng rose in excitement.
Overlord World
"Hm… similar to vampires and their thralls. Not particularly dangerous, but their abilities might be worth studying," mused Ainz Ooal Gown, skeletal overlord.
"Yes, Lord Ainz! I, Albedo, swear to capture demons for you to study!" his devoted succubus vowed passionately.
Naruto World
Deep in a hidden laboratory, Orochimaru chuckled darkly."Mmm… the Demon King, Muzan Kibutsuji… what a marvelous specimen. If I could acquire his body, immortality would be mine."
Meanwhile in Konoha, Shikamaru pieced together the facts."So that's how it is… a botched medical treatment a thousand years ago created the first demon. Muzan was the originator. All the others were born from his blood."
"But Shikamaru," Choji frowned, "isn't this supposed to be a hero ranking? Those creepy demons don't look anything like heroes!"
"Every hero story needs villains. These demons are the villains. The ones who fight them—the ones who slay them—they're the real heroes."
No sooner had he finished speaking—
The true heroes appeared.
The Demon Slayer Corps
For a thousand years, demons have run rampant. And so the Demon Slayer Corps was born.
They are not an official order, not recognized by any government.
Even so, they have never wavered. Mere mortals, standing against demons.
They are heroes.
From the first Breath of the Sun user, Yoriichi Tsugikuni, the legacy had been passed down, generation after generation, shouldering the burden of slaying demons.
And now, in the Taisho era, under the leadership of Ubuyashiki Kagaya—
The nine Hashira: Himejima Gyomei, Shinazugawa Sanemi, Tomioka Giyu, Iguro Obanai, Rengoku Kyojuro, Kanroji Mitsuri, Tokito Muichiro, Uzui Tengen, and Kocho Shinobu.
And alongside them: Head Pillar Kamado Tanjiro, Nezuko, Zenitsu, Inosuke, Kanao, Genya… the younger demon slayers filling the screen.
No.10 — The Demon Slayer Corps.We of the Demon Slayer Corps shall be eternal, until the day the demons are annihilated.
"..."
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