Take a look in the vast YoRHa database and the knowledge gathered on these worlds. Come on, let's dive deeper.

When Team 7 is confronted with a Road-Poneglyph and a little surprise left by a previous user of the Paw Paw Fruit, they are forced into an adventure that just doesn't compare to any mission they ever had to face. A story in which the Elemental Nations are just another humongous Island on the grand Line, and extreme isolation is caused by the surrounding watercurrents.

(Inspired by The Crimson Yinglet stories) After a conflict that caused the Power Stars to be transported to other universes, it is up to Mario, Luigi and his friends to find them. New friends and foes will come, but they all will learn a very important lesson: These plumbers are NOT like the others! Arc 1: One Piece

What if Luz wasn't from Earth? What if she wasn't the daughter of Camila Noceda? What if she wasn't obsessed with magic? What if she was a member of a notorious pirate crew? What if she had the powers of one of the Four Emperors? And what if the Boiling Isles was subjected to the craziness that was Monkey D. Luz?

Years after the death of the King of the Pirates, two boys set off for the Grand Line. One to be a Marine Admiral, the other to be King of the Pirates. This is their story.

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.

Two Riders have been given a new chance of life in a world of pirates and meets the future King of Pirates. Cowriting this with Light Hero Kaiser

El Detective Menma Shiin debe resolver el caso de Luffy, debido a un crimen que no cometió y encontrar otros personajes desaparecidos que parecen conectar con el caso ¿lograra resolverlo a tiempo?

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.

Many of the best Adventures start at a Tavern. This Tavern is a bit more special. Star Wars, Hunter X Hunter, One Piece, Dragon Ball, Harry Potter, Naruto, and Marvel Cinematic Universe Crossover. Gaming without the levels, training according the Power System of the World. Contains elements of Jumpchains. No Harem. Romance later. Only one Main Character, try three chapters.

There was a time when our country was called by that name. Those dream-filled blue skies are now filled with smog from weapon factories. The towns where the samurai once proudly walked are now filled with swaggering, arrogant pirates. We were stripped of our swords, our status, our honor and everything else. However, the samurai spirit is still alive here. This is our final battle.

When Noriaki dies during the final battle against Dio, he finds himself alone, injured but somehow alive washed up on the shores of Syrup Village in the East Blue. Two years after his arrival, a boy in a straw hat offers him a place on his crew. Lonelier than ever, Noriaki accepts and is swept away on an adventure not even he could have imagined.

5 years after taking off the Omnitrix for good 17 year old Jen Tennyson is forced back into action by the disappearance of her Grandpa Max luckily she has some help from her new friends onboard the Going Merry

The Grand Line was the most dangerous and mysterious sea in the world. But the East Blue held a secret. One that most thought was just a legend, and few knew to be true. Until one day a person chose to embark on the journey of their life

When a secret organization makes its move Naruto of the Ninja World and Luffy of the Straw Hat Pirates and their friends must unite to take out this evil group The longer they're together the more the horrible truth of the relationship between the World Government and Ninja World becomes clearer and on top of that the leader of this organization knows them all personally.

Naruto and Sakura were on a mission to find the missing scroll. It is at a mysterious River. It led them to an incredible world filled with Pirates. One in particular... a rubber man one.

An Arisaka employee gets predictably backstabed, events play out, leading said employee Alex to get isekaied into the Naruto verse with some advantages.

Frustrated with work, furious at the Ministry, and fearful of commitment, Quinn Delilah Potter is listless and self-destructive. Thankfully, finding herself in another world is exactly the kind of fresh start she never wanted or asked for. The ocean is vast and full of mystery, and sailing alongside a bunch of maniacs as mad as her seems as good a way as any to see it all.

Kidnapped by a traitor out of a village that already hated his presence, Naruto wonders about the world's vast ocean where he'll meet all kinds of people and learn the hardships of life, bringing chaos in his wake to find a way home. With war on the horizon, Naruto must choose how history defines him. Military aspect, romance-building, chapter 46 going through Revision.

A prophecy revealed too soon, a promise given. A hero's fear, a maiden's love, destiny is shattered as they find themselves washed upon a new shore. AU, Slowburn, Set before OP canon, Will be epic in length

Our favorite Greek demigods and gods are doomed to see the adventures of Monkey D. Luffy! With the company of Themis, the ancient goddess of justice and the flamboyant pirate captain Rapidfire Junior, you will see the craziest story ever told, about of the future Pirate King!

The Straw hats arrive at a strange location, filled with magic, adventure, and dangers. They meet a man who was a former god, and must work together to return to their own worlds before their respective enemies become aware of each other's presence.

What if Esdeath was a pirate captain going after One Piece? A what-if scenario. One shot drabble.

One fateful day Jaune Arc decides he doesn't want to be a huntsman anymore. Instead, he wants to set sail to the Grand Line, find the One Piece, and become King of the pirates. Most of his friends may think he's crazy, but that's okay. At least some of them are willing to join along on his quest.

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)