The Great Pirate Era ended thousands of years ago. But somehow one document has been left, this one document had changed society forever. In the world of My Hero Acadamia a man wanted to become the King of Heroes (Luffy in MHA)

Returning home stronger than he had left, Izuku no longer fits in the world he once called home. Both heroes and villains view his power as a threat and work to remove him. Faced with bending himself to his world's norms or breaking them, Izuku embarks on his journey to become the number one hero, while a world-ending disaster lingers in his shadow. Sequel to IMEA.

"Destiny. Fate. Dreams. So long as people cling onto these words? They shall not vanish." A new age of heroism begins when two children are lost at sea and wash ashore, befriending others like them and moving the change the world no matter what. Rated for Bakugo language. TVTROPES page underedo! FINAL REVISONS DONE!

A Crossover Story between Zaru and Juubi-k. As Yamato, Son of Kaido, heals from her wounds from a battle against her tyrannical father, a chance meeting with a injured boy in green opens her world. And that world, will change. The boy's name? Midoriya Izuku. For Questions, refer to FAQ in story(after Chapter 15)

After being given a collection of DVDs of an anime they've never heard of, Class 1-A and their teachers decide to watch it in their free time.

Rena led a simple, boring, lonely life until one day she met a being from another world. A Guardian who protects the Realms, and she needs Rena's help to save everyone. She had always wanted to travel the world, but now, she is traveling between worlds. Who will she encounter along the way? Multiple crossovers: Fairy Tail. MHA, One Piece, and more.

The last thing Midoriya remembered was being overwhelmed by a crowd of civilians that were being controlled by the third assassin sent by All for One. But suddenly, he found himself in the middle of a bloody battlefield, surrounded on all sides. Whitebeard had no idea who this new arrival was, but he wasn't going to complain as the stranger defended his son from Akainu.

In a world where heroes with extraordinary powers protect society, a young man named Ace, with the mysterious ability to control fire, finds himself thrust into the ranks of heroes-in-training at UA Academy. Struggling with amnesia about his past life, Ace forms friendships with fellow students, including Itsuka, Mirio, and Nejire, as they navigate training, classes, and life.

Una serie de eventos ocasiona que All Might decida aprovechar la llegada de unos piratas del pasado para realizar un viaje hacia las ruinas de la Gran Linea.El joven grupo de héroes involucrados se entera de sus planes decidiendo traerlo contra su voluntad quedando a merced del tempestuoso mar, obligándose a cooperar con los piratas, descubriendo así en el camino...Un mundo perdido

After sailing for some new waters around the New World, the Straw Hats pirates find themselves stuck in a new modern world full of technology and super power individuals all calling themselves heroes .Now while stuck they have to do some things not heroics to get back to their world.

How would Izuku's life be when he is the son of King the right hand man of Kaido. How would the world be when most of his life was on Wano. What happens when he is not just the son of King but also the grandson of Silvers Rayleigh. He also had found Gol D Rogers sword Ace. (Discontinued)

Luffy and his gang was celebrating. after the defeat of a Yonko pirate Kaido the strongest creature in the universe but something happens that sent Luffy and two others to my hero academia universe and now they will be facing a new enemy and old in that world

Class 1-A are training daily to become future heroes of Japan, but being heroes may need to be put on hold temporarily as they encounter a villain in a surprise attack. One thing leads to another, and some of the class end up stranded on a floating raft that is found by a pirate crew who have just arrived into the New World.

One Piece spoilers Just a response to a reddit prompt post. I think it's kinda neat. Enjoy.

All it takes is one person to turn the world upside down. Let's watch as the most insane person decides to take U.A on the ride of their lives. (cover by Bundle of Sticks)

So, after defeating Kaido, Luffy stumbles upon a mysterious portal. Turns out that portal is unstable and it makes Luffy go to the top of the UA building where he has an encounter with a... mink? And a middle-aged business man. And by sheer luck Luffy now attends UA school, with his new friend Momo. Discord- /hHnSPHms Editor:RENEGADElion0

the people of mha are brought to witness the great pirate era of one piece

an Omake story

Izuku Roronoa-Dracule is trying to find his place in the world of superheroes along side his best friend Katsuki and their parents. One Roronoa Zoro and Dracule Mihawk, and Shanks and Mizuki Bakugou. As the boy's parents are Heroes and a fashion/tec support hero.

suddenly waking in a young Izuku midorias body and discovering that he has the powers of marco the phoenix how will he survive in this new world

Existen muchos universos a lo largo de la existencia de todas las realidades. En uno de ellos los Dioses y sus eternos enemigos, los magus, ha comenzado una guerra por el derecho de la existencia de la humanidad. Una guerra que los magus no estaban dispuestos a perder. Y para asegurar su victoria contra los dioses, estaban dispuesto a reclutar a 12 guerreros de otros mundos.

I love Law from one piece so i thought it would be sick if deku used his powers it could lead to some cool interactions so yeah pretty straight forward

The characters of Overlord and One piece (Wano Kuni arc) in the universe of MHA? What scenario could this create? Wars ? Alliances? The end of the heroes? The victory of the villains? being at the side of All Might, Galadriel and Luffy, Deku will understand that being a hero is never easy and that everyone has his own definition of justice.

In most worlds, Midoriya Izuku is born Quirkless, without Individuality, as they called it in Japan. In others, he gains Quirks that are quite impressive. And in one, he gains the ability to destroy the world. AKA Psycho got bored and made a Whitebeard! Izuku

The world of heroes changed when Devil Fruits were discovered years ago and life became more of an adventure for some, and Izuku's life would change when he was given a special fruit by a red hair man along with a speical straw hat. From then on, Izuku would not only go on to become a great hero, but also a great pirate the world has ever seen with hope and freedom! Deku/Big Harem.