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The Grey Side by DarkSoul7714
Fandoms: Assassination Classroom, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
02 Dec 2025
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Summary
In a world filled with quirks, people often view morality as black or white: heroes are good and villains are bad. However, true morality resides in the grey area, a place where complexity and nuance exist.
Many individuals choose to remain in their comfort zones, living bound by the shackles of ignorance, as in Plato's cave. They prefer the familiar shadows of their beliefs, for stepping into the light of truth can be terrifying. This truth has the power to shatter illusions and challenge the foundations of their understanding.
Those brave enough to seek and share this deeper truth often face rejection and scorn. Society, uncomfortable with the grey, shuns those who disrupt the peaceful ignorance of the majority. Consequently, many who see the true nature of the world keep their insights hidden.
Among those who navigate the grey area are assassins. They understand the complexities and contradictions of existence and embrace the moral ambiguity that lies beyond the simplistic labels of good and evil. In doing so, they reflect the profound truth that our understanding of right and wrong is rarely as clear-cut as we would like it to be.
Series
- Part 2 of Heroes, Villains & Assassins
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Summary
the story is pretty basic. Tsunayoshi Sawada (a girl in this story because i can't for the life of me get into the mindset of a dude) is sent to Kunugigaoka and has to be an assassin.
Just like mentioned in the title, this is a Katekyo Hitman Reborn! x Assassination Classroom fanfic. There are a few out there and not enough that i was satifide with. anyway i liked that type of idea and wanted to do my own story to it.
The twist is, the whole khr side of the story is pretty much an AU type of stuff while the main story follows the one of Assassination (with a few khr twists of course).(I'm also updating on Wattpad - Sapphire_1212)
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[PODFIC] Senbazuru by MixterGlacia for Shrineart
Fandoms: Assassination Classroom, Ansatsu Kyōshitsu
21 Nov 2025
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Summary
You'd been lead into another office and given a brief overview of your new job. There’d been files on each student you were to take care of which he had handed over to you. Another file you were shown but not given a copy of. A dossier on your new coworker, an unkillable creature of speed and brilliance.
If it weren't for how straight laced and intense Mr Karasuma had been you would have thought you were being hazed...
That had to be it, right?You'd read over the file, you'd seen the photos, you'd signed a non disclosure agreement and here, days later, you were trying to work out just what you'd gotten yourself into.
[PODFIC EDITION] (ON INDEFINITE HIATUS.) -
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"I know that you are afraid of what will happen next, but you can trust me when I say that I will not allow you to go back to her and that I will find a place for you to stay if that is what you want." Nagisa nodded to that. Slowly, tears formed in his eyes. He was glad to have a teacher like Karasuma.
Someday Nagisa will get the parent he deserves.
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Just the normal events of the anime with my oc thrown in the mix :> Plus some minor writing changes to make things a bit more fun for me. Like skipping some filler arcs to put more focus on the stuff that I wana put focus on
This anime/ manga has been such a comfort series for me as someone who also really struggled in middle school and just school in general. Young me always made up so many stories of herself interacting with the characters and me as an adult want to create a work that a younger me would be happy to read.
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What is Forever? by FrankyTankyWanky
Fandoms: Assassination Classroom, enemies to lovers - Fandom, Slow Burn - Fandom, Sassy y/n - Fandom, relatable Y/N, Gakushuu Asano - Fandom
14 Nov 2025
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Summary
After being sent from Brazil to Japan, not only does Y/n have to navigate the new culture, but the new people as well. The new school isn't what he expected, but will his façade crack? What mysteries will be uncovered as he finds out the truth in all this?
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Thought Behind The Kill by Awake_at_3am, littleChey
Fandoms: 文豪ストレイドッグス | Bungou Stray Dogs, Assassination Classroom
26 Oct 2025
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Dazai Osamu, a former Port Mafia executive and the right-hand man to the boss, is now a member of the Armed Detective Agency. He is sent on a mission to teach Class 3-E at Kunigigaoka Middle School.
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Ever at odds with the people around her, Katsuragi Amaya has only three people who she feels a close connection to. Her siblings, Reiko and Yuta, and her best and worst friend, Akabane Karma. A friend whom she feels sees her no different from anyone else he torments.
In seeking to deepen that connection to reach an understanding, Amaya is constantly reminded of one fact that has cut her off from the world around her; She's nothing but a Monster to the Outside World.
Book One of the Marionette Trilogy
Cross-posted from my prior writing account on a different platform. Please enjoy
Series
- Part 1 of Marionette
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Karma has been studying a little too much, leading to some unfortunate results, he has been having hallucinations. A lot of bad hallucinations due to the sleep deprivation.
Series
- Part 5 of Angstober 2025
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I have a feeling you got everything you wanted(and you’re not wasting time stuck here like me) by invigilator_straycrow
Fandoms: Assassination Classroom, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
09 Sep 2025
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Class 3-E, a class of underaged, traumatised children, just trying to cope with their sensei’s death. The universe said “SIKE” and now, they must navigate in a world of unknown… with stupid “villains” and “heroes”..? (Good luck!!)
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Why is a buffed man wearing thongs and a skin-tight swimwear sashaying through the neighbourhood with children watching them, starry-eyed? What the hell is wrong with this world??Series
- Part 1 of threads of shattered time and space
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Spirits & Tentacles by Tchouki99
Fandoms: モブサイコ100 | Mob Psycho 100, Assassination Classroom
25 Aug 2025
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Today was a totally, perfectly normal day.
Until Reigen's employees and Karasuma's students got kidnapped.
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In which Reigen become a teacher at the class 3-E of the Kunugigaoka Junior Highschool but seems to already know Karasuma...
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A Hotel For Society's Scum by Wendy_Noire
Fandoms: Hazbin Hotel (Cartoon), Helluva Boss (Web Series), Assassination Classroom
27 Jul 2025
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A hotel to redeem the sinners of hell so they can get to heaven sounds like a stupid, but the 28 assassins taught by the moon destroying giant yellow octopus are more than used to the impossible.
3-E are Overlords, though most think they're a group of 3, each of them working together for their communal goal of a livable version of hell. If heaven scorns them and the hotel they choose to help and support, well... Aren't the End Class used to that? They were the scum of society after all. So who is better placed to help Charlie's naive plan?
Series
- Part 5 of Solar Dust
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Reaper 2.0 kidnaps Gakushuu believing that Korosensei would save his employer's kid, but he ends up adopting him instead
And we're going to pretend that the reaper managed to escape so that our favorite class of soon-to-be killers actually know who he is
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During the year, while nothing unheard of, it's still unusual to welcome new students into Class 3-E, especially someone like [Name] Funakoshi.
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Our little secret... by LeafFi
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia, Assassination Classroom
14 Jul 2025
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After Korosensei's death 3-E is left to fend for themselves. They are pushed to become slaves of the government because of their new profound skills. Denki Kaminari is assigned a mission to get in UA by the ministry of defense to keep the heroes in check.
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Brothers till the end (or the earth explodes, I guess...) by heartyhiroshi
Fandoms: Assassination Classroom
20 Jun 2025
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Premise: Asano Gakushuu is the second, more gifted son of Asano Gakuhou. He has an older brother in 3-E.
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"Protect your brother at all costs. Look after him."Asano Hideo was born into a competition he never had a chance in. He tried to live by those words, but his own brother ended up hating him. He wasn't a winner, he wasn't strong; he had no place in the Asano household.
But a certain world destroyer octopus was about to change everything.
(This is a rewrite of the an old fic with the same name, for anyone wondering about the old one.)
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Me, My Crazy Father, and The Giant Yellow Octopus Who Works At My School by Talkinglikeagreekphilosipher
Fandoms: Assassination Classroom
15 Jun 2025
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In which Gakushuu did not go to Kunogigoaka until after a certain exam predating the Chairman’s attempt to tear down the E-class building.
Instead, he’s the Chairman’s quiet home schooled son who who could care less about the yellow octopus who becomes his teacher following his father’s decision to force interactions with “kids his age”.
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"Okay," Kayano slams her hands on her desk. "Anyone notice Class A acting weird?"
"YES!" Maehara yells. "Thank god it's not just me. They're acting so weird."
"Yeeeees," Okano groans. "Like what."
The class agrees with nods and bewildered looks because Class A has been acting..... Odd. Unusual.
"Heh," Karma scoffs. "It's not just the A Class."
3-E freezes.
"Wha...?" Isogai starts, eyes wide.
"Haven't you noticed? It's not just the A Class. It's the whole main campus," Karma says. "Class A, B, C, D, the senpais, even the senseis. They're all acting the same."
"No," Nakamura whispers, horrified.
"Yep," Karma pops his lips to the sound of the last letter.
Okajima thumps his head on his desk.
~~~~~~~
Nobody expects to see Asano standing in front of them. His face is troubled.
"Shit," Yoshida breathes. "You too?"
Asano's eyebrows raise up.
"They're acting similar regarding you, also?"
"Fuck," Itona deadpans.
~~~~~~~
Or, the fic where everyone can't stop loving and doting on 3-E and Asano, and they suffer in embarrassment and shock.
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Senbazuru by Shrineart for MixterGlacia
Fandoms: Assassination Classroom, Ansatsu Kyōshitsu
09 Jun 2025
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Summary
You'd been lead into another office and given a brief overview of your new job. There’d been files on each student you were to take care of which he had handed over to you. Another file you were shown but not given a copy of. A dossier on your new coworker, an unkillable creature of speed and brilliance.
If it weren't for how straight laced and intense Mr Karasuma had been you would have thought you were being hazed...
That had to be it, right?You'd read over the file, you'd seen the photos, you'd signed a non disclosure agreement and here, days later, you were trying to work out just what you'd gotten yourself into.
Reader Is: Gender neutral, pacifist, not from Japan, Reader has a backstory, 'Reader' is used instead of Y/N
Explicit scenes are skippable and gender neutral
And yes, most of the locations in this fic are real placesThis fic is now also a podfic!
You can listen to it here!.Series
- Part 1 of Senbazuru
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Kunugigaoka, Karushuu Has An Announcement: Karma Is Not Pregnant. Stop Saying He Is. by VanillaMintTea
Fandoms: Assassination Classroom
08 Jun 2025
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Summary
Alright, Karma thinks. He's done with the small talk. He's done building up to the point. Obviously Shuu's not getting it.
"Apparently, according to Kunugigaoka, I'm pregnant," Karma deadpans.
Gakushuu does an incredible spit take with his coffee, very similar to those of characters on TV. It makes Karma want to grab a bowl of popcorn and sit back and watch.
"You're WHAT?"
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For some reason, Kunugigaoka assumes Karma is expecting Gakushuu's kid.
Why? Who the fuck knows. Karma and Gakushuu surely don't.
Why does everyone assume that? Just because Karma is a hermaphrodite, doesn't mean he's pregnant. Also, they're not that irresponsible!
Why is no one listening? Karma isn't pregnant!
Series
- Part 1 of Hermaphrodite Karma