1 - 20 of 210 Bookmarked Items in Class 3-E as Family (Assassination Classroom)

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  1. *

    All for Assassination by

    Fandom: Assassination Classroom, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia

    20 Nov 2025

    Summary

    Question: What happens when you take a class of assassins, yank them 200 years into the future and give them superpowers? They start working on a plan to assassinate the son of a bitch who screwed up their lives, that’s what – and they just might wind up saving the whole world in the process.

    Words:
    269,520
    Works:
    3
    Bookmarks:
    775

  2. 31

    What It Means To Take A Life by

    Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga), Assassination Classroom  

    20 Dec 2025

    Tags
    Summary

    Midoriya Izuku has to move cities with his mother for her new job and consequently had to change schools. His new school is a prestigious one, Kunugigaoka Junior High but after a small misunderstanding he’s thrown right into Class 3-E!

    Yukimura-sensei has disappeared and nobody knows what is happening until the government bring in a year-long class project for them to complete only a few days after the moon blows up.

    Will Izuku still be able to become the hero he’s always dreamed of being, or will his new life as an assassin in 3-E ruin that for him?

    OR - Izuku is wrongfully put into Class 3-E for his third year and has to become an assassin to kill one of the nicest teachers he’s ever known, all while hoping to achieve his dream of a hero.

    ASSASSINATION CLASSROOM X MY HERO ACADEMIA CROSSOVER

    Series
    Language:
    English
    Words:
    37,806
    Chapters:
    6/48
    Comments:
    18
    Kudos:
    52
    Bookmarks:
    31
    Hits:
    1,290

  3. *

    Our Assistant Teacher is Insane! [ REWRITE ] by

    Fandoms: Assassination Classroom, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)  

    15 Dec 2025

    Tags
    Summary

    The girl shot up so quickly her chair squeaked against the floor. “Nagisa-sensei!” she beamed, eyes shining with unfiltered excitement. “What’s your quirk?”

    The room seemed to lean in all at once, a ripple of anticipation spreading through the students. Even the green-haired boy in the front row — who already had a notebook open — was practically vibrating, pen poised like he was about to record every word.

    For a moment, Nagisa only smiled back at them, soft, calm, the kind of expression that gave nothing away and yet somehow eased the air in the room. His eyes swept lightly across the expectant faces, catching sparks of excitement, curiosity, and even a little awe. Then, with the same steady composure he had carried all morning, he answered:

    “…Why, I’m Quirkless.”

    or

    After Paradise High School, Karasuma contacts Nagisa and sends him on a mission to UA. The goal? Monitor and teach combat to the new upcoming hero students in Class 1-A. So, Nagisa becomes Aizawa’s assistant teacher.

    ON HIATUS!!!

    Series
    Language:
    English
    Words:
    30,168
    Chapters:
    9/?
    Comments:
    140
    Kudos:
    689
    Bookmarks:
    163
    Hits:
    9,632

  4. 8

    Nagisa as 1-A's Teacher by

    Fandom: Assassination Classroom, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)

    18 Dec 2025

    Words:
    33,823
    Works:
    2
    Bookmarks:
    8

  5. *

    Everyone's Gone Crazy! by

    Fandoms: Assassination Classroom  

    10 Jun 2025

    Tags
    Summary

    "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.

    Language:
    English
    Words:
    11,142
    Chapters:
    8/?
    Collections:
    2
    Comments:
    188
    Kudos:
    1,567
    Bookmarks:
    308
    Hits:
    26,004

  6. *

    Odd Future Time by for LadySunami

    Fandoms: Assassination Classroom, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia  

    31 Oct 2023

    Tags
    Summary

    Looking up at the shining gates of UA, Nagisa pulled out his anti-sensei knife and twirled the point along his index finger. If he could hitch a ride to Hawaii at Mach 20, save his friends from poisoning and go to outer space, he could definitely do this – face a new school year. A new class.

    A new homeroom teacher.

    Because, even without time travel, moving on from their mountaintop classroom had always been the plan. Koro-sensei had wanted them to live the best lives they possibly could. Even if he hadn’t expected those lives to involve quirks or a quest to stop Shiro – I’m sorry All for One – from taking over the world with antimatter Nomu… well, Nagisa just hoped Koro-sensei would be proud of them anyway.

    He twirled the knife one more time, pointedly ignoring the concerned looks shot his way by other students passing through the gates.

    “Well, Koro-sensei,” he whispered, determinedly sliding his knife back into its hidden sheath. He hitched up his backpack and squared his shoulders to finally step through the gates. “If you’re watching out there… I guess it’s future time.”

    Series
    Language:
    English
    Words:
    106,275
    Chapters:
    30/30
    Collections:
    10
    Comments:
    1,394
    Kudos:
    4,763
    Bookmarks:
    723
    Hits:
    140,638

  7. 12

    Here the ways of Men Divide. (Assassination Classroom Separation AU) by

    Fandom: Assassination Classroom, Inazuma Eleven, 組長娘と世話係 | Kumichou Musume to Sewagakari | The Yakuza's Guide to Babysitting (Anime), 食戟のソーマ | Food Wars! Shokugeki no Soma

    07 Dec 2024

    Summary

    Post Korosensei's death. The world doesn't take the reveal well, so the kids have to separate and go out into the world to survive on their own. They leave behind their lives, their family, and change their identities, hoping one day when it's finally safe, they'll be able to reunite again.

    Words:
    22,000
    Works:
    3
    Bookmarks:
    12

  8. *

    Tim Drake AU's by

    Fandom: Addams Family - All Media Types, Alex Rider - Anthony Horowitz, Alice in Wonderland (Movies - Burton), Ancient Celtic Religions & Lore, Ancient Greek Religion & Lore, Assassination Classroom, Batman (Comics), Batman - All Media Types, Batman Beyond: Return of the Joker, Batman Contagion ( Comics), Batman Eternal (Comics), Buzzfeed Unsolved (Web Series), Constantine (Comic), Constantine (Comics), Constantine (TV), Constantine: The Hellblazer (Comics), Cooking Companions (Video Game), Coraline (2009), Coraline - All Media Types, Critical Role (Web Series), Danny Phantom, DC's Legends of Tomorrow (TV), EPIC - Jorge Rivera-Herrans (Albums), Faerie Folklore, Five Nights at Freddy's, German Mythology, Gotham City Sirens (Comics), Gravity Falls, Green Lantern - All Media Types, Grimm (TV), Hazbin Hotel (Cartoon), House of Anubis, Irish mythology & folklore - Fandom, John Wick (Movies), Jurassic World Trilogy (Movies), Jurassic World: Camp Cretaceous (Cartoon), Justice League - All Media Types, Justice League Dark (2017), KPop Demon Hunters (2025), Murder Drones (Web Series), My Babysitter's A Vampire, Mythology & Folklore - Fandom, Norse Religion & Lore, Percy Jackson and the Olympians & Related Fandoms - All Media Types, Percy Jackson and the Olympians (TV 2023), Percy Jackson and the Olympians - Rick Riordan, Red Hood and the Outlaws (Comics), Red Hood: Lost Days, Red Robin (Comics), Robin (Comics), Slavic Mythology & Folklore, Superboy (Comics), Supernatural (TV 2005), Teen Titans (Comics), Teen Titans - All Media Types, Teen Wolf (TV), The Flash (TV 2014), The Flash - All Media Types, The Heroes of Olympus - Rick Riordan, The Kane Chronicles - Rick Riordan, The Maze Runner (Movies), The Maze Runner Series - All Media Types, The Originals (TV), The Sandman (Comics), Under the Red Hood, Undertale (Video Game), Welcome to Night Vale, Wonder Woman (Comics), Wonder Woman - All Media Types, World War Z - Max Brooks, Young Justice (Cartoon), Young Justice (Comics)

    19 Dec 2025

    Summary

    All stories about Tim Drake. May contain multiverse aspects, canon stories, fix-its, crossovers, etc.

    Words:
    902,544
    Works:
    165
    Bookmarks:
    866

  9. *

    MHA X AC Crossover by

    Fandom: Assassination Classroom, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia

    24 May 2023

    Words:
    145,191
    Works:
    2
    Bookmarks:
    102

  10. 78

    abbey by

    Fandoms: Assassination Classroom  

    13 Mar 2025

    Tags
    Summary

    “If you’d killed him, it would mean something", Karma says. “You didn’t kill him, for whatever reason, and that still means something. Of course not everything means something else. I don’t know what it means, either.” He’s quiet for a moment. Then, “That’s up to you to figure out. You didn’t kill him. You’ll have to live with that. Same as you would if you had.”

    “Would you think of me differently?” Nagisa asks. His voice sounds flat to his own ears. “If I had?”

    “Would you?” Karma asks in turn.

    Nagisa doesn’t respond.

    Or, a study in smallness.

    Language:
    English
    Words:
    15,196
    Chapters:
    1/1
    Comments:
    49
    Kudos:
    266
    Bookmarks:
    78
    Hits:
    2,723

  11. *

    Bye Bye Yesterday by

    Fandoms: Assassination Classroom, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia  

    03 Oct 2022

    Tags
    Summary

    After the assassination of Koro-sensei, Shiro survived to continue his experiments. And he kidnapped all of 3-E to be his first test subjects.

    His first Nomu.

    But something went wrong. Very wrong.

    And now, 27 terrified teenagers, one femme fatale and a terminally overworked government agent are waking up in a world unlike anything their assassination classroom could have prepared them for.

    ***

    Ritsu looked close to happy tears and Tsukauchi was just staring back and forth between the two of them, shocked.
    “We’ll get them out, get them safe, I promise,” she said.
    “We… Ritsu, what are you doing here? Since when do you hack into police stations?”
    And Ritsu suddenly looked very sad. “Karasuma-sensei… I’m not really sure how to tell you this… But I haven’t seen anyone from 3-E in 232 years.”

    Series
    Language:
    English
    Words:
    69,352
    Chapters:
    21/21
    Collections:
    10
    Comments:
    1,043
    Kudos:
    4,622
    Bookmarks:
    721
    Hits:
    113,329

  12. *

    All the things that I've done, I can't erase, but I'll try. by

    Fandoms: Assassination Classroom, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)  

    08 Oct 2025

    Tags
    Summary

    A Deku as Nagisa crossover fic.
    His lessons on hiding the truth were from the Japanese Government itself who asked a bunch of middle schoolers not to even tell their parents that they were being trained to kill, regardless of how many times they almost got killed in return. In fact, Nagisa was still lying to his classmates at UA about that, and they got paid ten billion yen to ensure that they never talked to anyone about their third year in middle school. So why was the past slipping out? Will his classmates find out what secret's he is hiding?
    Mostly focusing on the bonds between the children with some bigger events coming in. :)
    REWRITTEN ON 10/13

    Language:
    English
    Words:
    124,200
    Chapters:
    77/?
    Comments:
    291
    Kudos:
    1,302
    Bookmarks:
    230
    Hits:
    44,623

  13. *

    Hero Classroom by

    Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga), Assassination Classroom  

    17 Aug 2025

    Tags
    Summary

    When applying to high schools Karasuma told 3-E that the Department of Defense wanted them to apply to UA, so everyone did. Surprisingly for the dead end class of quirkless rejects, they all got into the classes they applied to.

    They have a head start compared to their classmates, at least a year of playing the unwinnable game against the unkillable teacher had taught them the limits of their bodies. Then again, Karma and Nagisa were the first quirkless students in class 1-A in the entirety of UA's history, and that had a certain tone to it.

    Nagisa's home life was also getting worse.

    Language:
    English
    Words:
    35,762
    Chapters:
    18/?
    Comments:
    377
    Kudos:
    1,160
    Bookmarks:
    193
    Hits:
    21,605

  14. *

    in memory of the ones that live again. by ,

    Fandom: Akatsuki no Yona | Yona of the Dawn, Assassination Classroom, Fairy Tail, Katekyou Hitman Reborn!, Kuroko no Basuke | Kuroko's Basketball, Magi: The Labyrinth of Magic, Naruto, One Piece, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia, 食戟のソーマ | Food Wars! Shokugeki no Soma, 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga), 魔入りました! 入間くん | Mairimashita! Iruma-kun | Welcome to Demon School! Iruma-kun (Anime), 魔入りました! 入間くん | Mairimashita! Iruma-kun | Welcome to Demon School! Iruma-kun (Manga)

    14 Dec 2025

    Summary

    a series of OC reincarnation fanfiction.

    Words:
    718,415
    Works:
    13
    Bookmarks:
    622

  15. *

    Lock On & Go Beyond by for namikkou

    Fandoms: Assassination Classroom, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia  

    19 Nov 2025

    Tags
    Summary

    What use was Nagisa in a situation like this? What was one little snake – out of place, out of time and so far out of his depth he’d forgotten what the surface even looked like – to do?

    “Come now, we’ve covered this,” the ghost of Koro-sensei’s voice seemed to reach across the centuries to say. “The poor beast isn’t as terrifying as all that. Start by observing how he swings that blade. Next, look over each movement with the same attention to detail and piece together what you find.”

    There.

    “Don’t you see?” Koro-sensei asked.

    And he did. Stain was skilled and he had many blades, both literal and metaphorical. It would be near impossible for a hero of Nagisa’s skill level to beat him, steel to steel.

    But Nagisa didn’t need to beat him. Because he didn’t need to be a hero, not to do this.

    “Voila,” Koro-sensei said. “A trivial adversary indeed.

    “Now, use that trusty blade to fillet him.”

    Series
    Language:
    English
    Words:
    93,893
    Chapters:
    17/?
    Collections:
    3
    Comments:
    1,041
    Kudos:
    2,211
    Bookmarks:
    336
    Hits:
    57,616

  16. *

    just an outsider in the end. by

    Fandoms: Assassination Classroom  

    30 Apr 2023

    Tags
    Summary

    "Look, I really didn't mind the fact that I died and reincarnated into Ansatsu Kyoushitsu. I didn't really mind that you gave me a hole in the heart. That was a real dick move, but I didn't complain. So god, Void, whatever, I'm sorry I punched a student. Please recall my demotion into Class E. Please, the moon literally just exploded and I don't wanna be there!"

    Kuma-sensei did not belong here. He knew better than anyone else that he was just an outsider.

    Series
    Language:
    English
    Words:
    131,690
    Chapters:
    54/54
    Collections:
    69
    Comments:
    1,180
    Kudos:
    6,055
    Bookmarks:
    1,791
    Hits:
    150,508

  17. *

    My Name In The Stars; My Mind 6 Feet Underground by

    Fandoms: Assassination Classroom  

    02 Oct 2022

    Tags
    Summary

    (Be silent, boy.

    For now,

    you will learn)

     

    Asano Gakushuu is a plane with a defective engine. It burns but doesn’t waver. It flys, but soon it will fall. Though, when it does, it will take everything down with it.

    Or, Asano Gakushuu has a caffeine induced seizure while taking term 1 midterms. His father knows a suitable punishment for this act of disobedience.

    Language:
    English
    Words:
    11,756
    Chapters:
    10/?
    Collections:
    2
    Comments:
    98
    Kudos:
    864
    Bookmarks:
    129
    Hits:
    13,874

  18. 4

    The What It Means.. Universe by

    Fandom: Assassination Classroom, 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)

    20 Dec 2025

    Summary

    Welcome to My Hero Academia x Assassination Classroom crossover!

    This is a series where Izuku transferred from Aldera sometime in is second year for his mother’s new job and joins Kunugigaoka Junior High’s Class 3-E. After getting to know everyone, his nice homeroom teacher disappears and the government give them a huge year-long class project.

    Works In This Series:
    What It Means To Take A Life - Izuku’s Middle School Journey (Ongoing)
    What It Means To Save A Life - Izuku’s High School Journey (Not Started)
    What It Means To Know The Truth - BNHA Characters React To WIMTTAL (Not Started)

    And maybe more!

    Words:
    37,806
    Works:
    1
    Bookmarks:
    4

  19. *

    Learn The Lesson (MHA x AC) by

    Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia, Assassination Classroom  

    01 Sep 2022

    Tags
    Summary

    Class 3-A had been in constant villain and succeed to survive. Dubbed as "Greatest Heroes" after the war, they become Arrogant and cocky.

    This leads for Nezu to ask for a help to his student, Izuku Midoriya a Gen Ed Students, an Assassin, and a former member of AC Project.

    A UA civil war was created to fixed their behaviour.

    Series
    Language:
    English
    Words:
    100,993
    Chapters:
    50/50
    Collections:
    2
    Comments:
    299
    Kudos:
    2,213
    Bookmarks:
    575
    Hits:
    94,296

  20. 4

    Assassination Classroom: Another Ending by

    Fandoms: Assassination Classroom  

    27 Mar 2021

    Tags
    Summary

    ⚠️THIS FIC SPOILS THE END OF ASS. CLASSROOM AND THE ANIMATED MOVIE "ASSASSINATION CLASSROOM: 365 DAYS"...PLEASE DONT READ IF YOU HAVENT FINISHED THE SHOW AND MOVIE YET⚠️

     

    What would happen if Koro Sensei didn't know he died?

    Language:
    English
    Words:
    4,668
    Chapters:
    3/3
    Kudos:
    33
    Bookmarks:
    4
    Hits:
    511

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