What exactly is a Quirk? Such a simple question should have an equally simple answer, unfortunately for Izuku, he forgot the very basic lesson of "Look before you Leap" and was woefully unprepared for how deep the rabbit hole went. Now with the butterfly effect in full swing, everyone will learn just how much one question can change everything."I'm not a Villain! I'm a Geneticist!"

Kuri Nakano's got a good life; with pro hero parents and a power that got her into a school across the world, what could she have to complain about? Well, she doesn't really want to be a hero, and now is working towards a career she dislikes. When she meets a boy who hates her from the jump, she wonders if she'll ever lead the life she wants to live. (broken chapters are fixed!)

Deku is a robot, and Katsuki will prove it no matter the cost. Drabble series. No robots were harmed in the production of this work of fiction.

Eight years ago Aizawa adopted his two problem children after saving the two of them in an alleyway. Izuku was a quirkless boy and had no memory except for his first name, and Hitoshi had no family. As the entrance exam starts for UA Aizawa finds his quiet little family suddenly turned upside down when Izuku suddenly has a dangerous bone-breaking quirk.

Izuku is a man down on his luck, years after attending the UA entrance exams (and failing.) He finds himself getting denied from job after job, his quirkless status being a bigger detriment than ever before. But just as things begin to look up for the young man, tragedy strikes! His views on heroism changed forever. (All might and AFO don't exist.)

A sidestory to Heroeschamp My Hero Academia USA Sara Yarkud is just an ordinary New Yorker going to one of the best hero schools in the city Hamilton High But dark forces are looming will Sara and her friends be able to stop what's coming or will their hero careers be over before they began SYOC OPEN Three Senior Hero Students

Blue Shisen has grown up on the streets of a Homeless Network, when getting caught for stealing, there are two options, either go to U.A or Jail Time. Little does she know this choice changes her life forever.

Class 1-A gets a new classmate, Tera Chikyū, a very capable new girl with an amazing Quirk and personality and a mysterious backstory. Everyone welcomes her and she becomes fast friends with the Bakugang, especially Sero, but when her past comes back to haunt her, it could end up ruining her new life. Could her friends in Class 1-A help her out of this and free her from it forever?

Since I have a ton of stuff piled up, I made a series of descriptions for Izuku AUs I thought of writing about. If you like any of them, please Review.

Slight AU and rated for reasons. After being diagnosed as Quirkless, Izuku feels worthless to his friends and family.

La sociedad donde crecieron nunca fue la adecuada para ellos; pero Izuku todavía debe pasar por un largo camino para comprenderlo. Ser el héroe que salve a aquéllos a quien nadie más se atreve a salvar no siempre lo llevará a ser el héroe de la prototípico de la ciudad. [AU VIllain Deku] Inspirado en los cómics de mudubu.

Dabi doesn't trust heroes, especially when the Number Two Hero contacts him stating he sympathizes with Stain's ideology. Cautious of his true intentions, Dabi decides he needs some insurance to ensure Hawks doesn't turn on him or the League. And that's when Dabi decides to kidnap his girlfriend, Asami Hatsuse.

Luego de una muerte patetica en su primera vida, Megumi ha rencarnado en el mundo de Boku no hero como la hermana menor de Inasa Yoarashi. Con los recuerdos de su anterior vida con ella, decide que si quiere una vida tranquila, ocupa hacer algunos cambios en este mundo. Arco movie: Heroes rising.

Cuando el aire es tan tóxico que mata a la más mínima exposición, el mundo se ve confinado en sus casas y cada relación social parece imposible. Más de dos tercios de la población ha perecido y la única solución al despoblamiento masivo, yace en los emparejamientos forzosos y experimentos con humanos./ KatsuDeku [Omegaverse]

Izuku Midorya was quirkless but he didnt let it knock him down, with his martial skills and great intellect he is gonna become "The Greatest Hero"(Possible harem in the future)

Part 2 of Blank Canvas! Izuku and Hitoshi have done it. A Quirkless and a Villain have faced every challenge and set back and have successfully fought their way into the Hero Course. Now all that was left was to become Heroes and make a better world. If the world lets them that is. Will their convictions hold out? Only time will tell!. (Tuesday updates, Tododeku, mxm)

Eri summons all her courage to save a prisoner from Overhaul. Unfortunately, she saves All for One.

El reino está lleno de injusticias en contra de los schiavus, los cuales son tratados como animales y humillados a diario. Un día, cinco jóvenes deciden comprar a su propio schiavu, cosa que traerá buenas y malas consecuencias. (Alternative Universe) [KiriKami, KatsuDeku, JirouMomo, TodoIida y TsuyuOcha]

A troubled teen named Mia hates heroes. She hates the glorification of violence, competition for publicity, and inefficiency. She especially dislikes UA students. Frustrated, Mia becomes the Ghost. A vigilante feared by villians (and heroes) With her mute psychic girlfriend, Allison, she carves her own path to take down the League of Villians. Can Ghost prove that her way is right?

Akira a enfin commencé à tracer son propre chemin qui le mènera vers la réponse à sa question : qui est-il. Mais avec l'arrestation de la Réponse, de nouveaux ennemis font surface et menacent de détruire l'ordre établi. Akira aura-t-il besoin de se tourner vers les trois âmes à l'intérieur de lui, ou sera-t-il capable d'affronter seul son destin ?

Soul mates got as common as quirks, but still were harder to discover. The first words your soul mate would utter would be readable on your wrist.

At first Enji was indifferent to the unexpected green baby. Too busy training his own chosen child to succeed him. Then years went by, he grown fond of the child. Especially, for his contagious smile. Unfortunately, the boy brought in his own problems: the fact that he was quirkless, gets in gets into trouble and attracts the strangest people... At least he's cute. (baby swap AU)

Quirkless Villain Deku story, All his life he suffered because he believed he can be a hero because he was weak. Now his suffering has led him to the path of becoming a brutal cunning villain hellbent on becoming strong and showing everyone the weak are strong. Rated M for cursing and other reasons. Slow burn story and relationship, slight redemption arc.

Mirai Sasaki's quirk is rarely wrong, almost never. He wished it was, he wished it was only good for simple predictions, but it wasn't. He was burdened with the ability to see futures he couldn't change. Today was no different. No matter much he wished it was. At least then he wouldn't have to see Izuku die twice. One-shot! Izuku Dies! OFA Eri!

Bullied and belittled constantly for being quirkless by society, Izuku Midoriya strives to be a hero. When his idol tells him he can't he finally breaks and contemplates suicide. However, an ancient powerful object calls out to him. Green, brilliant, beautiful, but most of all-powerful, beckons Izuku to be its new master. Now begins his revenge. (Maleficent Izuku)(Sorcerer Izuku)