Assassination Classroom/暗殺教室 and My Hero Academia/僕のヒーローアカデミア Crossovers
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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)
Rated: T - English - Hurt/Comfort/Humor - Chapters: 14 - Words: 48,949 - Reviews: 34 - Favs: 126 - Follows: 163 - Updated: 11/21 - Published: 5/3/2020 - OC, Nagisa 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 ...
Rated: M - English - Humor/Adventure - Chapters: 2 - Words: 2,037 - Favs: 9 - Follows: 12 - Updated: 10/30 - Published: 10/21 - Koro-sensei, Izuku M., Shouta A./Eraserhead
Sensei's Rulebook by LilKiwiBird reviews
"Shrinking in a corner, pressed into the wall; do they know I'm present at all? Is there a written rule book, that tells you how to be? All the right things to talk about, that everyone has but me?" -Wallflower, Lang Leav
Rated: M - English - Chapters: 95 - Words: 307,194 - Reviews: 24 - Favs: 101 - Follows: 114 - Updated: 10/19 - Published: 9/28/2019 - Karma A., Nagisa S., OC, Tooru H.
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
Rated: K+ - English - Adventure/Hurt/Comfort - Chapters: 10 - Words: 2,882 - Reviews: 7 - Favs: 45 - Follows: 79 - Updated: 10/4 - Published: 8/15/2019 - 1-A Students, Karma A., Nagisa S., Izuku M.
Static Responsibility by AzureWriter83 reviews
Denki Kaminari is an orphan living with one of his best friends, desiring to be an incredible hero like the hero Shazam in Kyoto. He will soon get his chance after an incident at the Hatsume Weapons Industry. But when one gets power, they also must learn an important lesson. (Will include AssClass characters later in the story)
Rated: T - English - Sci-Fi - Chapters: 4 - Words: 16,632 - Reviews: 3 - Favs: 9 - Follows: 8 - Updated: 7/27 - Published: 4/12 - Denki K., Hitoshi S., Chizome A./Stain
Theoretical fights by soulofdarkandlight reviews
10 theoretical duels between characters of the two animes. Was a reply to a commenter
Rated: K+ - English - Chapters: 1 - Words: 1,804 - Reviews: 1 - Favs: 2 - Follows: 2 - Published: 6/24 - Complete
Becoming Assassinsto support Heroes? by ValarPrime98 reviews
During a class exchange between UA Class 1-A and Kunugigaoka High Class 3-E, Deku and Nagisa have a heart-to-heart about whether Nagisa should become an Assassin.
Rated: T - English - Humor/Friendship - Chapters: 1 - Words: 1,411 - Reviews: 2 - Favs: 9 - Follows: 12 - Published: 5/21 - Nagisa S., 3-E Students, Izuku M., 1-A Students - Complete
完美无缺 by ChakiRinno
我的英雄学院原女向 CP:轰焦冻&边里茜 Todoroki Shoto & Hotori Akane
Rated: T - Chinese - Romance/Adventure - Chapters: 2 - Words: 6,993 - Favs: 1 - Follows: 1 - Updated: 1/14 - Published: 1/8 - Shouto T., 3-E Students, 1-A Students
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)
Rated: T - English - Chapters: 5 - Words: 16,945 - Reviews: 40 - Favs: 446 - Follows: 571 - Updated: 12/11/2020 - Published: 5/27/2020 - 3-E Students, Izuku M., Shouta A./Eraserhead, 1-A Students
Nagisa Shiota vs Shoto Todoroki by SkyFeather56 reviews
Nagisa vs Shoto. Hero vs Assassin. I don't know why I wrote this. Please enjoy.
Rated: T - English - Poetry - Chapters: 1 - Words: 697 - Reviews: 2 - Favs: 5 - Follows: 3 - Published: 12/11/2020 - Nagisa S., Shouto T.
Shouta Gets Soaked With The Tears Of Small Children by YvyTee reviews
It's USJ, and the kids want to know what happened to their daddy, who looks more like a mummy than their father, and why he's so hurt. (Third in the ACxBNHA verse) (Rated T just in case)
Rated: T - English - Family/Hurt/Comfort - Chapters: 1 - Words: 1,477 - Reviews: 8 - Favs: 69 - Follows: 42 - Published: 12/3/2020 - Karma A., Nagisa S., Sugino T., Shouta A./Eraserhead - Complete
Meet Ingenium Junior! by YvyTee reviews
Wherein the assassins-turned-children meet Iida Tenya. (Second in the ACxBNHA verse)
Rated: K+ - English - Family - Chapters: 1 - Words: 2,811 - Reviews: 4 - Favs: 69 - Follows: 37 - Published: 12/3/2020 - Karma A., Nagisa S., Sugino T., Tenya I. - Complete
In Which Shouta Finds Three Kids by YvyTee reviews
Karma, Nagisa, and Sugino get reincarnated in the BNHA universe 6 years before the start of cannon. A year before the start of cannon, Aizawa Shouta stumbles upon their small town and sees three kids who are inseparable and need saving. So what does he do? He saves them. (First in ACxBNHA verse)
Rated: T - English - Family - Chapters: 1 - Words: 4,229 - Reviews: 6 - Favs: 109 - Follows: 75 - Published: 12/3/2020 - Karma A., Nagisa S., Sugino T., Shouta A./Eraserhead - Complete
Class Assignment by The Phantom-Otaku reviews
During the League's attack on the USJ, some experimental tech malfunctions and sends our heroes to Okinawa Island, Japan, where they meet 3-E. With no way to get home, they join the class and the mission to kill Korosensei. The villains aren't far behind our heroes with the goal of killing All Might still in mind.
Rated: T - English - Adventure - Chapters: 6 - Words: 25,995 - Reviews: 17 - Favs: 119 - Follows: 167 - Updated: 11/26/2020 - Published: 3/12/2020 - 3-E Students, Izuku M., Toshinori Y./All Might, Tsuyu A.
Assassins to Heroes by particularlynobody reviews
A government recommendation for the Hero Course, of a whole class. What now?
Rated: T - English - Fantasy/Adventure - Chapters: 6 - Words: 11,999 - Reviews: 32 - Favs: 282 - Follows: 360 - Updated: 11/20/2020 - Published: 8/15/2020 - 3-E Students, 1-A Students
Quirky Assassins by The Phantom-Otaku reviews
After Nagisa and Karma are sent to the BNHA world, they find they've developed Quirks! Now they must learn about their new powers and learn to use them properly at U.A. High School. Mostly a comedic story centered around them having no clue how to use their own Quirks, discovering what they can do, and adjusting to the new changes.
Rated: T - English - Humor - Chapters: 2 - Words: 2,089 - Reviews: 1 - Favs: 45 - Follows: 54 - Updated: 11/3/2020 - Published: 6/13/2020
The Former Students of Kunugigaoka Junior High's Class 3-E by Sweet Kagamine Kiss reviews
Izuku Midoriya and Nagisa Shiota are first year students in U.A.'s General Education Class 1-D. No one knew their secrets (except Principal Nezu), and both boys want it to remain that way... even if they somehow make it to the hero path.
Rated: T - English - Romance/Adventure - Chapters: 1 - Words: 5,864 - Reviews: 12 - Favs: 205 - Follows: 170 - Published: 9/7/2020 - [Nagisa S., Izuku M.] - Complete
Son Of Atlantis Vs Assassination Classroom Heroics by Autistic-Grizzly reviews
The skies of two worlds have been red causing a girl to mysterious go from one world to the other creating a new set of problems as two groups of heroes clash under the crimsons skies while something terrifying plots destruction! Written for the fifth anniversary of Assassination Classroom Heroics, enjoy
Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 16,092 - Reviews: 8 - Favs: 9 - Follows: 10 - Updated: 8/23/2020 - Published: 7/16/2020 - Nagisa S., 3-E Students, Izuku M., 1-A Students - Complete
My Assassin Academia by AzureWriter83 reviews
One hundred and twenty years ago, a Quirkless warrior helped fight against a certain villain. While he died in the battle, the warrior was able to deal a blow that forced him into hiding. Now, Nagisa is preparing to finish what his ancestor started. Meanwhile, his best friend, Izuku Midoriya, is getting ready to become the first Quirkless Hero. How will they fare in trials ahead?
Rated: T - English - Adventure - Chapters: 1 - Words: 4,040 - Reviews: 1 - Favs: 26 - Follows: 26 - Published: 8/16/2020 - Nagisa S., Izuku M.
Joint Training Session by BlackPolaris reviews
"There are three main types of undercover heroes - vigilante-like, undercover, and assassins." "UA really was quite something. The sprawling campus and the large glass building made their tiny wooden building look like a decrepit shack - which, essentially, is what it was." It is time for Korosensei's annual trip to UA High School! Two-shot.
Rated: T - English - Humor - Chapters: 2 - Words: 6,933 - Reviews: 4 - Favs: 113 - Follows: 78 - Published: 8/15/2020 - Karma A., Nagisa S., Izuku M., Katsuki B. - Complete
The Assassin Hero by Eggni reviews
This is what would happen if Nagisa, Karma, and the teachers were thrown into the world of BNHA. Contains BL and cursing. The image is not mine. OP Nagisa.
Rated: T - English - Adventure/Romance - Chapters: 6 - Words: 21,052 - Reviews: 27 - Favs: 177 - Follows: 214 - Updated: 8/5/2020 - Published: 8/10/2019 - Karma A., Nagisa S., Koro-sensei, Izuku M.
Lost To Time by TheOneAndOnlyPillager reviews
This takes place in an AU I created where Nagisa Shiota was paralyzed at the age of 11 due to his mother and was experimented on with antimatter in order to restore movement in his legs. He's frozen in a cryogenic chamber and trapped for over 900 years, and when he thaws out he learns that everyone he loved is dead and now the world has gained quirks (MHA x Assassination Classroom)
Rated: T - English - Tragedy/Adventure - Chapters: 1 - Words: 1,596 - Reviews: 9 - Favs: 52 - Follows: 72 - Published: 5/17/2020
Assassin in Training by NerdofSpades reviews
Teachers open the door, but you must enter by yourself. -Chinese Proverb Izuku is one of the 3-E students of Aldera Junior High that has been tasked with destroying the villain that destroyed the moon. None of the students expected the bright yellow octopus to be the best and most supportive teacher any of them had ever had, least of all Izuku. (Parts 1-18 of Open Doors.)
Rated: T - English - Friendship/Hurt/Comfort - Chapters: 20 - Words: 49,445 - Reviews: 65 - Favs: 489 - Follows: 435 - Updated: 4/9/2020 - Published: 6/27/2019 - Karasuma T., Koro-sensei, Izuku M. - Complete
Iridescent by Patolemus reviews
Midoriya Izuku was good at keeping secrets. He was never concerned about anyone finding out about what he did during his third year of middle school. Well, he wasn't counting on his classmates sticking their noses where they didn't belong. Iridiscent: "showing luminous colours that seem to change when seen from different angles."
Rated: T - English - Angst/Hurt/Comfort - Chapters: 2 - Words: 13,880 - Reviews: 7 - Favs: 244 - Follows: 163 - Updated: 3/23/2020 - Published: 10/21/2019 - [Izuku M., Shouto T.] Toshinori Y./All Might, 1-A Students - Complete
Assassination! In Another World by Green As Envy reviews
When Nagisa finds himself in another world, he finds new freinds, new enemies, and new targets. Will he be able to compete against people with literal superpowers? Bad Summary, I know, but I never was the best.
Rated: T - English - Adventure - Chapters: 3 - Words: 2,366 - Reviews: 10 - Favs: 36 - Follows: 53 - Updated: 3/20/2020 - Published: 11/16/2018
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