Many years ago, The princess of Alabasta made a chance discovery of a mysterious device that stuck itself upon her wrist with secrets that it hid. Unaware that this strange device had the capability to change everything not just for her kingdom but the whole world.

Senku ishigami is the adopted son of Vegapunk. Finally the crew will have a scientist with them. But how will they convince him to join?

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.

While protecting his family from an attack by his enemies, his sister portal gets activated and sends him, his foes and some of Lisa's inventions to a world where his favorite manga One Piece is real. Now joining Luffy, he plans to make some changes and retrieve his sister's inventions.

Ash Ketchum gets separated from his family and lands in a foreign land. Not only does he seek a way home but he also has to keep the existence of the devil fruits a secret lest he be killed.

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

La vida siempre será algo muy impredecible, Naruto Uzumaki y Sasuke Uchiha pueden confirmarlo. Pasaron de luchar contra una diosa loca que quiere volver a todos sus esclavos, a tener que luchar contra un montón de piratas cada uno mas que diferente que otro, nadie es común y corriente, mucho menos ellos.

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.

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One day, Seth Orion, was summoned to a sub dimension by Hoopa to meet the Legendary Pokemons, he was given a task to traverse to a world full of pirates and other dangers. Find out as he, Hoopa, and his pokemon travel the seas to find allies and enemies. Inspired by Insane Dominator's Fairy Contender. (Beware of Vulgar Language)

Kido Chiaki was someone that does not have a dream of his own. But that all changes when he meet his first friend, Jim, and then the encounter of an unfamiliar creature called "Hoopa". Having inherited the dream of finding the Mystic Archipelago from his dying friend, Chiaki set out to the big, blue seas along with Hoopa as well as friends that he meets along the way.

Gracias a un acto de venganza contra Kuroinu... Un Luffy que esta cerca de completar los dos años de su entrenamiento termino siendo invocado a otro mundo. Para las Princesas Guerreras eso podia ser una salvacion de un final tragico, para Kuroinu la perdicion de sus sueños. Despues de todo Luffy poseia un gran poder.

Un Detective 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?

He was a transmigrant from Earth and was born in the Hyuga branch family. To avoid being controlled by anyone, he willingly became blind. But with his blindness came his cheat that is template of Fujitora from One Piece. Patreon Link:/Hkj822 Discord: /3bVuQxhY

Missing moments, explicit and not, and extras from the main story. Will be updated as the main story progresses to avoid spoilers. Regular updates not guaranteed.

Naruto, Will and a mink Kurama meet the Straw Hats on Drum Island, and decide to join up with them. Naruto/harem KuramaxWanda

This is a supplemental companion to my story 'The Ultimate Worst Generation' modeled in part after the One Piece Databooks. It will provide a little more information on the various new characters added from the 5 crossover series and can serve as a reference for those who want it. The added series are Fairy Tail, My Hero Academia, Black Clover, Akame ga Kill, and RWBY.

The Straw Hats have arrived on their final stop before descending to Fish-man Island and onto the New World, the Sabaody Archipelago. However, they're not the only big name rookies present, they are just one of 14 rookie crews present and the other 13 all have big names as well. Mass deep crossover with Fairy Tail, My Hero Academia, Black Clover, Akame ga Kill, and RWBY.

(Remasterizado) Un antigua "Diosa" planea se venganza con la ayuda del Bibliotecario, guardián de la Biblioteca, la prisión de los mundo no solo dormidos, sino caídos. El "emisario" de esta "Diosa" provocara la caída de los Portadores dejando solo a 4 de ellos para cumplir el cometido junto con la ayuda de los Sombreros de Paja. ¿Lograran derrotar a la "Diosa" y al Bibliotecario?

Her story had to be one of a kind, one that not even the craziest person in existence would ever believe nor tell, it was surreal even for those who still believed in legends and fairytales… and even more for herself. How? Someone would ask. She was dead, or rather she should have been. So then… why was she in a laboratory of some sorts?

What if Frisk from Undertale went to the world of One Piece? See what happens as Frisk goes on a new adventure!

"Looks like we're going to be partners from now on. Together, we'll see all this world has to offer." When Incumbent Champion Lucas was called in to investigate a mysterious buildup of psychic energy in the Solaceon Ruins, he didn't expect for his wish from so long ago to come true, in potentially the worst (or best) way possible.

"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 underredo!

Dying had never been more disorienting than ever, but Sakura counted herself lucky when she managed to find a family were she fitted just right.

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