A man reincarnates in the body of a boy who suffered a tragedy, only to realize that he is in the world of My Hero Academia. What's even stranger is that his quirk seems to have the abilities of Nen and Haki.

In a world filled with Heroes, True Heroism is rare and limited. Society itself is, even if not clear, divided. And peace is only temporary. But as an ancient evil returns from the shadows, First Responders and Heroes alike will answer the call and bring true change to a divided world. Current Arc UA Season 2

After being injured by Dabi, Instead of making it to the Medics, Hawks is hit by a portal quirk that sends him to Earth Prime. The young woman who takes him in has secrets of her own, and while Hawks is recovering, he decides he likes uncovering a secret or two. After all, Why does she live alone? If this isn't his world, how is she so calm about his sudden appearance?

Seven extraordinary students enroll into UA! However, not even the greatest hero school in Japan is prepared for the chaos these wild teenagers will bring! Beware, Hero Society, for the Vongola Famiglia is here! (Midoriya and his six Guardians attend UA)

Izuku Midoriya está a punto de rendirse, de abandonar por completo su sueño de convertirse en héroe. Pero sin saberlo, alguien inesperado se cruzará en su camino y le ofrecerá una oportunidad única: una que podría cambiar su destino para siempre.

This is a "What If" story that features the primarchs of 'Warhammer 40k' being reborn as girls with quirks in the world of 'Boku no Hero Academia'. Yes, really. Cross-posted at AO3.

A/U where some of the Boku no Hero characters are the children of the Deadly Sins. With the blessings of their hellish parents and their Aunts/Uncles that are the Seven Heavenly Virtues, can these individuals strive to be Heroes when morals more often than not see Sins as something bad?

There's a new villain in town...one that's so evil and insane, that he takes pure enjoyment out of testing his victim's morals and beliefs. He's an enigma to many, a bringer of death, an agent of chaos. And he's targeting not only Heroes, but all of society, both Quirk and Quirkless...and the scary thing is, this villain IS Quirkless. He is The Joker. [MHA version of The Joker.]

Heroes aren't the only ones who are rising. Vigilantes too. And there's Spider-Man in My Hero Academia. Enough said. This is a continuation of My Hero Academia: Symbol of Hope.

A young high schooler inherits the powers of Kamen Rider Decade, a hero whose destructive power is sought by Hundred. After escaping to their clutches, he finds himself in a world where a majority of the world has superpowers. He gets roped into attending a school dedicated to creating heroes that protect society to become a hero. (formerly A Rider's Legacy)

Kagome, younger twin to Shoto, was regarded as a failure by their father. With her Quirk never showing during her youth, her father regarded her as a blight on his legacy. He gave her away. After sealing the well up, she's accepted into U.A. Her very presence serves to shake things up in the best ways!

Marinette & Adrien have gone their separate ways for the time being. For several months, things have been going pretty well. When things start returning back to normal, two new classmates show up out of nowhere. Things start to unravel & everyone is getting together to find out what’s going on. Little did they know that something was going on in the shadows… A sequel to AMFT & Q&MC

The time has come where a chosen one among the humans is pick to be the one who will either choose the gods to govern over Earth for the next 2,000 years or the demons. With both sides once again revealing themselves to the humans, all await for the reveal of the chosen one.

Lucas is a young man who has strange powers, an unknown origin and a father who is a dog/bear/mouse. Life only gets stranger from there when he enters the UA Hero Course, Lucas wants be a kindhearted hero who saves the people, while learning about the past he doesn’t have. The young man from Nowhere will meet and make tons of friends, family, and enemies in this life of his.

Vesemir - Ciri's son has been thrown into the world of heroes. Grandpa Geralt of course taught him some good old stuff about being a witcher. Monsters started to appear all over the world. What will Vesemir do in a world full of Quirks?

After her death at the Battle of Beacon, Pyrrha finds herself in a new land, one filled with heroes and huntresses- Wait a minute. What was Weiss doing in Japan? Non-Canon spinoff to Schnee: Hero or Huntress

Un joven héroe de otra dimensión se encuentra inesperadamente en un mundo nuevo lleno de individuos con poderes únicos. Sin recursos ni conocimiento de este nuevo mundo, se ve impulsado por su sentido de la responsabilidad a utilizar sus habilidades para ayudar a los demás, aunque esto lo coloque al margen de la ley.

After being told that he couldn't be a hero by the No. 1 hero, Izuku Midoriya walks home in a bummed state. His life changes when he friends a mysterious briefcase with four balls inside, each of them containing a creature that could help him achieve his dream.

During his fight with Angstrom Levy, Mark got sent through different dimensions, and this one had a crap ton of heroes! He helps them out during a supervillain attack and after all that, he goes back to his home and save his family. Long after defeating Angstrom Levy, and weeks later after defeating Conquest he's now back at that world! (MHAxInvincible)

Arrancado del mundo que conoce contra su voluntad, Gohan de pronto se encuentra en una versión de la Tierra habitada por gente con extraños poderes llamados Quirks. Varado y sin poder volver con sus seres queridos, Gohan tratará de sacar el mejor partido de este predicamento, convirtiéndose en un héroe del que su padre se sienta orgulloso. Traducción del original de TheGodfather93

Eri's desperate cry for help unintentionally summons the legendary Berserker Hercules into Overhaul's lair. Mistaking the terrified girl for Illya, his beloved Master, Hercules' unstoppable power and fierce protectiveness are unleashed, shattering Overhaul's twisted plans and forging a bond that neither expected.

Stilwater. A place where the heroes are as bad as the villains. Where drugs, guns, and sins spill through the streets. Phil Playa nearly succeeded in uniting the city under the banner of the Saints, but failed due to betrayal. Now, five years later, he's woken from his coma to find Stilwater is both the same, and yet vastly different. Time to fix things. Again.

A foolish attempt to keep power summons dangerous entities from another dimension. Now Izuku and others must call on the spirits of warriors from the past to fight again, against this terrifying threat. Built from a Multiverse story that was well received, I decided to jump in and write this one. K to Teen for the description of some of the injuries and language later.

After sacrificing himself to bring life back to Cybertron, Optimus Prime wakes up on Earth, but not the one he's come to know. And as a human teenager! In this world of Quirks and Heroes, Optimus must navigate this treacherous new life of his, while struggling to let go of his old one. In the shadows, a sinister plot begins to unfold, with the Last Prime at the center of it all.