1 - 20 of 32 Works in Human Korosensei (Assassination Classroom)
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Pokémon Classroom by ShadowGengar28
Fandoms: Assassination Classroom, Pocket Monsters | Pokemon - All Media Types
30 Oct 2025
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A young trainer aspires to become the best Pokémon master, and his story is about to change when he meets the students of E Class. A special class that aspires to be the best trainers and students at Kunugigaoka School, and at the same time, they are destined to save the world. It's time to fight like assassins!
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Navigating the world of teaching on a low salary and high hospital bills to pay by TheSteinsGateFormula
Fandoms: Assassination Classroom
12 Oct 2025
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In another reality, Koro-sensei stayed human, married Aguri, and taught E Class.
But, this brought with it its own set of problems.
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[New Game]
[Continue Game]⇦Detectives Koro and Karasuma have have just cracked a case and arrested a serial killer. All is well… or is it? There seems to be yet another serial killer on the lose, and it's up to them again to save the day!
Required reading: Part 1.
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- Part 2 of Continue?
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"You get a call from some creep with no caller ID saying you've inherited a house from a relative you've never heard of and you just-" Karma cuts himself off with an incredulous groan, slipping into a harsh laugh. "No, you're exactly the kind of idiot to fall for that."
"It's free," emphasises Terasaka, and he can just picture Karma's molten eyes narrowing.
While apartment hunting, Terasaka learns a distant (distant, distant) relative of his has died and left him, the oldest living relative, with a sprawling, free house in the Kunugigaoka mountains. What follows is a near-death experience and the realisation he's not the only resident (un-)living there. Now he's up in the business of dead people wherever he goes.
[SLOW UPDATES BUT NEVER ABANDONED]
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Korosensei rarely remembered the faces of the people he killed during his time as the Reaper. Once they were dead, it didn't matter much what they looked like. Even if he did want to remember all of them, there were too many. Faces all blended into eachother. But, every so often, there'd be a memorable moment or particularly annoying assassination that made it difficult to forget a target's face.
But every single face, remembered or not, was dead. He made sure of it. He would usually hang out by the corpse for a second, just make sure they actually died. If he had gloves on, he'd check the pulse.
So why did his co-worker look and sound exactly like one of those few memorable face?
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Sometimes I wonder why I still bother using these words. Class, classmates, classroom…
The blank hall where our wheelchairs are lined up in neat rows next to each other, with armed guards standing by the walls keeping an eye on us, is nothing like any classroom anywhere in the world, and my classmates… well. Fellow prisoners would be closer to the truth. Or fellow test subjects, perhaps.
But our teacher, then… she is the single thing that helps us to forget the reality around us. Today, too, Yukimura-sensei’s smile is as bright as ever.
And today, the illusion of normalcy is broken even faster than ever before.
Project 3-E: a group of infected teenagers in a world ravaged by a mysterious disease, who are trained to be the saviors of mankind.That's the plan, anyway. Some of the kids might have different ideas. And then there is, of course, the master assassin lurking around who appears to be quite interested in what is going on behind the closed doors of the lab.
Series
- Part 1 of Gifts and Curses
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The Mystery of Yamada Tako by Anhilliator1
Fandoms: Assassination Classroom, Sakamoto Days (Manga), Sakamoto Days (Anime)
30 May 2025
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There's a new junior high teacher in town.
Shin has firmly decided that he does not like him. -
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Donde Karma y nagisa se conocen desde pequeños, pues la madre de nagisa murió, dejándolo con la madre de Karma.
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Although it's just another day of working part-time at the nationally renowned Kunugi Cat Shelter, it still manages to be memorable for you.
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Takes place a bit after that little food festival they had.
So Korosensei becomes human and Karasuma has to basically take him into his apartment. Stuff happens from there!! Oh yeah, and Korosensei's a free loader, sighhhh -
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Morality, goodness, and integrity...all concepts fabricated by elitists. The people who believed that the world was built for them; the people who followed their beliefs and called it 'the will of God'. They would warn people of devils, tell folktales about angels, and paint the world in strict shades of black and white.
Nagisa Shiota is angelic—porcelain skin; an empty gaze; a soft, small smile.
Karma Akabane is demonic—canine teeth; manic eyes; hair like hellfire.
All that is read in fables and fairytales are scriptures about their love. They yearned to devour each other, desperate to drown in their desire, falling in love like they were waiting to embrace death.
Beings of colour, blue and red, in a world painted in the strict shades of black and white.
In a classroom riddled with saints, sinners, and those who wear angel wings with black blood, what would come of his love between two polarising people, fated to be condemned by 'God's Will'?
Will they be eternalised as a destiny of damnation or a promise of true love's happily ever after?
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AssClass Highschool Reincarnation AU
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Karasuma and Irina have very different moral standards
For the prompt "god forbid women do anything"
A short excerpt from an aspirational fic in which Korosensei saw his apprentice smile and things transpired very differently, one day I will write the whole thing.
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A (hopefully) very long story about the life of the three reapers (yes three not two as most think).
The youngest Reaper (the Red Reaper as he named himself) has been sent on a mission, how will this impact the cannon story line. What is happening?
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The Painscreek Killings by tuuli
Fandoms: Assassination Classroom, The Painscreek Killings (Video Game)
25 May 2024
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In his new job as a journalist, Nagisa is sent to the small town of Painscreek to find out what he can about an unsolved murder, that of Vivian Asano, the wife of the town's former mayor. What he uncovers is an absolute tragedy for everyone involved – and learning the truth might yet cost him his life, too.
Based on a game by the same name - absolutely no need to know anything about it, though.
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A Good Ol' Switcheroo by WhatsOnMyMind for TheSteinsGateFormula
Fandoms: Assassination Classroom
29 Nov 2023
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“What on earth is going on here?” a man demanded upon entry, and Koro-sensei noted the lack of unrecognition in his student’s eyes. The unidentified woman behind the man also received the same treatment by the class, and at this point, Koro-sensei desperately wanted to know the answer to that question as well. “Who is this?”
“Isn’t it obvious?!” Fuwa cried enthusiastically before anyone else had a chance to open their mouths, “It’s Koro-sensei from another universe!”
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“WHAT!?”
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or; for reasons unknown (and will never be known) a human version of Koro-sensei finds himself in the place of an ocotpus version of him...? What on earth is truly going on here?
The students seem to be making the most of it though, much to his amusement (and bafflement).
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Undoubted Memories by boyish_blue
Fandoms: Assassination Classroom, Katekyou Hitman Reborn!
02 Sep 2023
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Sawada Tsunayoshi did not expect to meet the creature who was said to be the culprit of the moon's explosion, nor the fact that the creature is also threatening the safety of Earth. Entering his last year in Kunugigaoka with the memories of his counterpart from another life, he might have more than one mission to do in order to save Earth and those he thinks needed some saving.
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[Start New Game] [Load Saved Game]
There has been a string of mysterious disappearances and all the clues seem to be pointing to one of two florists in the area. But not to worry, Detectives Koro and Karasuma are on the case!
Series
- Part 1 of Continue?
- Part 16 of Gwen's Magic 8 Ball (Assclass)
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"Same lovable characters,
Different timelines and universes,
Different ways to tell their stories."-----------
This one-shot series is a collection of one-shots of different AUs and canon-based stories, whether based on prompts found on the internet or original concept.Originally posted on Facebook, but crossposted on Fanfiction.Net.
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CURRENTLY ON CHAPTER 28:
People are prone to mishaps and bloopers, even Koro-sensei and his beloved E-Class. -
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Nagisa feels his legs trembling as he stands with the Beauxbatons school champion, a blond girl who stands a few inches taller than him. Yeah, he signed up, but he didn't actually expect to be chosen.
He's so focused on his own plight that he almost doesn't hear the last name being called.
"And from Durmstrang, we have... Akabane Karma.""No way." "Wasn't he expelled from Hogwarts two years ago?" "I hear he beat someone up just for looking at him." "I hear he's done the killing curse."
If Karma hears any of the whispers, he doesn't show it. He strides down the table, joining Nagisa by the Triwizard Cup with a smile and a wave to the audience.
"Hey, Nagisa," he whispers among the chaos, like no time passed at all. "It's been a while."
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Life goes on, but Love never fades by Siera_Knightwalker
Fandoms: Assassination Classroom
28 Dec 2022
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Koro-sensei's new life from the eyes of his neighbour.
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