Assassination Classroom/暗殺教室 Crossovers
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Assassins & Pokémon: The Adventures of Kiyoko Akabane by glennthelawbringer
Kiyoko Akabane, Karma's kid sister, becomes a talented Pokémon trainer on her quest in the entire Kunu Region, along with her new Pokémon. But before she can become champion, she has to collect 8 Gym Badges, meet new friends, and stop Team Rocket from whatever plans they're cooking up to.
Crossover - Pokémon & Assassination Classroom/暗殺教室 - Rated: K+ - English - Adventure/Friendship - Chapters: 6 - Words: 17,817 - Favs: 1 - Follows: 1 - Updated: 2/2 - Published: 1/16 - Team Rocket, OC, Karma A., Koro-sensei
Fate Post Assassination by Mark Tarr reviews
After killing Koro-Sensei, Nagisa is sold by his mother to the Yggdmillennia Clan, and is dragged into an arranged marriage and New Great Holy Grail War. To make matters worse, his best friend Karma is on the opposing faction. Will Nagisa be able to survive and keep his loved ones alive?
Crossover - Fate/stay night & Assassination Classroom/暗殺教室 - Rated: M - English - Supernatural/Romance - Chapters: 1 - Words: 2,238 - Reviews: 1 - Favs: 6 - Follows: 7 - Published: 2/1 - Mordred, Fiore F. Y., Karma A., Nagisa S.
Keep Moving by NerdofSpades reviews
Izuku made it through his third year at Aldera. He graduated, both from his middle school and from the Assassination Classroom. Now, he has new problems to deal with. New classmates, new teachers, and a whole new type of weird that comes with studying at Japan's top hero school while also trying to hide state secrets. (Part 19 of Open Doors)
Crossover - Assassination Classroom/暗殺教室 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Chapters: 6 - Words: 19,479 - Reviews: 42 - Favs: 464 - Follows: 594 - Updated: 2/1 - Published: 5/27/2020 - 3-E Students, Izuku M., Shouta A./Eraserhead, 1-A Students
The Purple Assassin by McKmaster25
When the Power Ranger's witness 70% of the Moon disappear, they are immediately on high alert. At the same time, the Black Power Ranger, Adam Park, and his little sister, find out that they are moving to Japan with their parents for a year. Zordon decides to task them with a specific Mission: Discover what happened to the Moon!
Crossover - Power Rangers & Assassination Classroom/暗殺教室 - Rated: T - English - Adventure - Chapters: 5 - Words: 20,823 - Favs: 5 - Follows: 4 - Updated: 1/31 - Published: 2/14/2021 - Adam P., Zordon, Karasuma T., Sugino T.
Sensei's Rulebook by LilKiwiBird reviews
Hero or assassin, the rules are pretty much the same.
Crossover - Assassination Classroom/暗殺教室 & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Chapters: 98 - Words: 320,313 - Reviews: 29 - Favs: 105 - Follows: 120 - Updated: 1/30 - Published: 9/28/2019 - Karma A., Nagisa S., OC, Tooru H.
Ruby Jelavić-Karasuma-Rose by ClockRose reviews
As the students of Beacon came out of the rubble of their treasured school they wondered the same thing; "What the hell just happened?" They expected some sort of damage to befall them. Something. Anything! There was no way anything could protect them against a building! The C.C.T. tower at that! Honestly what just happened? (Look inside for the rest. Bolded and slanted.)
Crossover - Assassination Classroom/暗殺教室 & RWBY - Rated: T - English - Romance/Adventure - Chapters: 2 - Words: 1,817 - Reviews: 4 - Favs: 11 - Follows: 18 - Updated: 1/20 - Published: 10/3/2016 - [Karasuma T., Irina J./Bitch-sensei, Summer R.] Ruby R.
Confronting the past by darkofthenight
I was dead, for years I was dead and now I return home. I left behind many friends but made many more along the way. Will everything be okay or will my past decisions and choices come back around to bite me? Mentions of violence/rape and torture I own nothing
Crossover - Assassination Classroom/暗殺教室 & Haikyu/ハイキュー - Rated: M - English - Hurt/Comfort/Mystery - Chapters: 5 - Words: 28,317 - Updated: 1/16 - Published: 9/19/2021
The Assassination of My Hero Academia by Jayenee reviews
Shiota Nagisa wakes up in a world where 80% of the population are born with a special ability called a "quirk" and after meeting the aspiring hero, Midoriya Izuku, he soon discovers he now has one of his own! What's more, there's a powerful assassin who wants to wipe out all heroes! Can Nagisa and Izuku save both their comrades and their worlds? [MHA x AC crossover story]
Crossover - Assassination Classroom/暗殺教室 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Supernatural - Chapters: 7 - Words: 35,166 - Reviews: 128 - Favs: 589 - Follows: 764 - Updated: 1/14 - Published: 8/26/2018 - Nagisa S., 3-E Students, Izuku M., 1-A Students - Complete
TimeYouMoments With You by Regalun reviews
There's pain and it hurts. As Ezezwanyi Amaefule come into terms with about Shorter's death she gets an offer for a job as a teacher. Pacifically a science teacher at Kuniginogoka Junior High for class 3-E, not only for her teaching skills but for her assassination tips as well. Cross-posted on Archive on Your Own with the same title. Please enjoy
Crossover - Banana Fish & Assassination Classroom/暗殺教室 - Rated: T - English - Friendship/Hurt/Comfort - Chapters: 2 - Words: 1,467 - Reviews: 1 - Favs: 2 - Follows: 2 - Updated: 1/13 - Published: 1/3 - Eiji O., OC, Irina J./Bitch-sensei, 3-E Students
Otherwordly assassin by bobthepopulator
It had been little over week since the graduation ceremony, when Nagisa wakes up middle of a forest. He tries to get back home, but notices soon he is lost. Really lost. Story is about assassin prodigy trying to get back home while being hunted down by the government and underground heroes alike, while trying to stay right side of justice.
Crossover - Assassination Classroom/暗殺教室 & My Hero Academia/僕のヒーローアカデミア - Rated: K - English - Adventure - Chapters: 8 - Words: 8,902 - Favs: 21 - Follows: 33 - Published: 1/13 - Nagisa S.
Kaguya-sama: Love is Assassination by Multi-Fandom Guy reviews
A remedial class gets a chance with another school's cultural festival. Assassination attempts and confession strategies collide, uncertainty ensues. Two things are for sure, a green-eyed sniper has until entrance exams to choose where to study next and a certain heiress isn't letting a red devil off the hook easily.
Crossover - Assassination Classroom/暗殺教室 & Kaguya-sama: Love is War - Rated: T - English - Friendship/Romance - Chapters: 14 - Words: 26,901 - Reviews: 4 - Favs: 18 - Follows: 21 - Updated: 12/31/2021 - Published: 2/2/2021 - 3-E Students, Koro-sensei, Kaguya Shinomiya, Miyuki Shirogane
Dragoness is an Assassin by Foodiebite New reviews
Nagisa and class 3-E is going about their day as normal as they can as assassins trying to assassinate their unkillable teacher, Koro-sensei, that is until a white-haired girl with shinning turquoise eyes appears. Who is this strange girl? And why does she act like a guy? And what is the reason for her sudden transfer?
Crossover - Bleach & Assassination Classroom/暗殺教室 - Rated: T - English - Adventure/Friendship - Chapters: 14 - Words: 15,911 - Reviews: 12 - Favs: 42 - Follows: 68 - Updated: 12/26/2021 - Published: 5/9/2020
Assassination DxD (Reboot) by Asianpotter1 reviews
After graduation from Junior High, Nagisa moves onto the next stage in life; Highschool. However, the things he did before have not been forgotten nor ignored. The powers that be have plans for him, and a regular life is once more out of reach.
Crossover - High School DxD/ハイスクールD×D & Assassination Classroom/暗殺教室 - Rated: T - English - Fantasy/Friendship - Chapters: 23 - Words: 58,161 - Reviews: 144 - Favs: 261 - Follows: 304 - Updated: 12/26/2021 - Published: 6/26/2016 - H. Issei, Kayano K., Nagisa S. - Complete
Ultraman Kiba by Chance Green G King reviews
The scar left on the moon itself symbolized a new beginning, for some they were baffled, for others it only enticed fear. While the world itself was focused on a single being who could very well destroy the very Earth itself, they didn't know what else could make itself known, and through the will of a hero of light and darkness, the very world itself might actually have a chance.
Crossover - Ultraman & Assassination Classroom/暗殺教室 - Rated: T - English - Sci-Fi/Humor - Chapters: 11 - Words: 125,034 - Reviews: 86 - Favs: 35 - Follows: 34 - Updated: 12/20/2021 - Published: 1/2/2021 - [OC, Kanzaki Y.] OC, Koro-sensei
Lancez donc cette pièce ! Après tout, ça n'a pas d'importance ! by MissPotterJackson
Dans la société actuelle où quatre-vingts pour cent de la population mondiale a des Alters, chaque personne a grandi en connaissant les Héros et les Vilains. Cependant, il y avait une autre occupation qui était souvent négligée : les Assassins. Si Héros et Vilain sont les deux faces d'une même pièce, alors les Assassins sont le bord de cette pièce.
Crossover - Assassination Classroom/暗殺教室 & My Hero Academia/僕のヒーローアカデミア - Rated: T - French - Chapters: 1 - Words: 10,011 - Favs: 4 - Follows: 4 - Published: 12/15/2021 - Karma A., Nagisa S., Izuku M., Toshinori Y./All Might
My Assassin Academy by leonardo18anime reviews
Nagasi is a young boy with no idea of what to do in his life. But after being saved by an Assassin he is inspired to become one. During his high school year, he and his classmates are being trained by a vicious creature name Koro. Now is up to Nagasi and his classmates show that they are respectful people in this world where heroes are worships as savior. (Explanation inside)
Crossover - Assassination Classroom/暗殺教室 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Hurt/Comfort/Humor - Chapters: 14 - Words: 48,949 - Reviews: 34 - Favs: 132 - Follows: 173 - Updated: 11/21/2021 - Published: 5/3/2020 - OC, Nagisa S., 3-E Students, Koro-sensei
A Fucked Up Idea by Whyisitspicy1 reviews
Karma and Rio have an other worldly experience
Crossover - Assassination Classroom/暗殺教室 & Tokyo Revengers/東京 リベンジャーズ - Rated: K - English - Angst - Chapters: 1 - Words: 21,950 - Reviews: 3 - Favs: 5 - Follows: 4 - Published: 11/6/2021 - Complete
Yellow Experience by Dualshock reviews
Shiobana Haruno is by no means a normal student. He's a delinquent, really strong, feared, ostracized yet still intelligent. That changes when he's put into Kunugigaoka's Class 3-E, making him just another abnormal, different student on a mission to assassinate their Sensei. Haruno especially has to kill his Sensei, otherwise he can't fulfill his dream. Stand!Nagisa
Crossover - JoJo's Bizarre Adventure & Assassination Classroom/暗殺教室 - Rated: T - English - Friendship - Chapters: 20 - Words: 112,561 - Reviews: 49 - Favs: 79 - Follows: 92 - Updated: 11/5/2021 - Published: 5/24/2020 - Giorno G., Karma A., Nagisa S., Koro-sensei
MAFIAXASSASIN by ou02 reviews
After the battle of representatives, Tsuna's third-year life in middle school changes thanks to his beloved sadistic tutor
Crossover - Katekyo Hitman Reborn! & Assassination Classroom/暗殺教室 - Rated: K+ - English - Family/Friendship - Chapters: 4 - Words: 19,632 - Reviews: 14 - Favs: 74 - Follows: 92 - Updated: 11/1/2021 - Published: 7/15/2021 - Reborn, Tsuna/Tsunayoshi S., 3-E Students, Koro-sensei
Heroes and Assassins by chronicleswhatif
When a joint class project in U.A that could not go wrong does go wrong ...
Crossover - Assassination Classroom/暗殺教室 & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Humor/Adventure - Chapters: 2 - Words: 2,037 - Favs: 12 - Follows: 15 - Updated: 10/30/2021 - Published: 10/21/2021 - Koro-sensei, Izuku M., Shouta A./Eraserhead
Ultimate Nagisa Chronicles by Autistic-Grizzly reviews
The tales of Nagisa and his adventures with his friends in Class-E while he uses the power of the Ultimatrix to be a hero and possibly save the world! prequel to Ultimate Nagisa
Crossover - Ben 10 & Assassination Classroom/暗殺教室 - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 1,902 - Reviews: 1 - Favs: 5 - Follows: 5 - Published: 10/18/2021 - Azmuth, Nagisa S., 3-E Students, Koro-sensei
True Terror by Shribog7 reviews
In a world where the strongest assassin named Koro Sensei was busy always filling his attacks with killing intent, he meets a being named Garou who had no killing intent in his attacks and yet defeated Koro Sensei. While he was busy teaching his students, Koro Sensei also learns from Garou what it really means to be strong.
Crossover - Assassination Classroom/暗殺教室 & One Punch Man/ワンパンマン - Rated: T - English - Chapters: 1 - Words: 803 - Reviews: 1 - Favs: 1 - Published: 10/16/2021
Assassination as a hero by ineedsomeslep reviews
Hey, It's my first fanfic in English and I don't know what write here, so yah... cof cof After Karasuma send karma and Nagisa to a mission, the blunette and the red one are missing out and don't know where they are and how they Go home I hope you like. bye honey
Crossover - Assassination Classroom/暗殺教室 & My Hero Academia/僕のヒーローアカデミア - Rated: K+ - English - Adventure/Hurt/Comfort - Chapters: 10 - Words: 2,882 - Reviews: 7 - Favs: 45 - Follows: 79 - Updated: 10/4/2021 - Published: 8/15/2019 - 1-A Students, Karma A., Nagisa S., Izuku M.
Ryuji's AI by bukalay reviews
The Phantom Thieves just escaped the police from the hotel they were checked in. They were currently staying at the hideout where they met Inspector Hasegawa when they arrived in Kyoto. They were voicing out their worries with Inspector Hasegawa arrested when Makoto, and everyone else although she's the only one reading it, received a text message.
Crossover - Persona Series & Assassination Classroom/暗殺教室 - Rated: T - English - Friendship/Hurt/Comfort - Chapters: 1 - Words: 1,293 - Reviews: 2 - Favs: 6 - Follows: 4 - Published: 10/3/2021 - Ryuji S., Makoto N., Akira K./Ren A., Ritsu - Complete
Extra, Extra: Octopus Teaches Class 3-E! by TravelingBackpack reviews
Going along with my theme of anime shenanigans, what would happen if Tintin were sent to a certain class in the mountains to scope out a giggling, eight-legged, international threat? A very short series of one-shots.
Crossover - Adventures of Tintin & Assassination Classroom/暗殺教室 - Rated: K+ - English - Parody/Humor - Chapters: 1 - Words: 1,212 - Reviews: 1 - Favs: 4 - Follows: 3 - Published: 9/28/2021 - Tintin, Karma A., Nagisa S., Koro-sensei
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