The world called him The Impaler Prince, someone who marked the annals of history with his life and actions, from his glorious battles and ruthlessness to his enemies. After finding his end and relieving the former home of his cruelty he still grasps the frails of fate and a new world. A world that allows a person to dream. Where everything could be possible. It was the One Piece

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. Re-upload

An accident with Mei's new time machine leaves her and Izuku stranded in a world of pirates. At least Gold Roger's kind enough to welcome them and their unexpected passenger aboard his ship.

Harry Potter, now Monkey D. Harry, sets sail with his twin brother Luffy who seeks to become King of the Pirates. As they sail, other incarnates from Harry's old world pop up as someone tries to seek them out.

Todos saben en el mundo que la sangre Hanma es una de las más extrañas y más poderosas, ¿Pero qué pasaría si a eso le agregamos la voluntad D. que también es temida por el mundo? Está es la historia de Hanma D. Yuichiro, un chico problemático que llega a la academia Kuoh, donde conocerá a demonios, ángeles, dragones y muchas otras criaturas y seres

Fishmen try to ally with some new version of fishmen from a far out land.

Upon arriving on an island Luffy is sent to a new world where there are creatures called Demons, Angels and Fallen Angel. While there he meets a girl named Rias and joins her club. Now Luffy needs to find a way to find a way home while making new friends and maybe find the way to some girl's hearts. Luffy x Harem. Future Lemons. A bit OOC Luffy

Different times, new world, new adventures... and new family. Let see how the world will handle Luffy and his first mate and their crew on their adventures on the sea... Part one of the FM&S Series

After Portgas D. Ace's death he was reincarnated into the universe of Coiling Dragon! - WARNING – This IS a FanFiction, so certain elements of the story WILL deviate from the original, like: 1 – There are slight changes to the profound mysteries and weapon comprehension. 2 – The actual GOD of this series isn't Hongmen. 3 – Whitebeard wielded a glaive instead of a guandao.

Held high as the God of Shinobi in the world of Ninjas and Samurais, Hashirama Senju's powers now traverse space & time to reach the world of Pirates and Marines. A young man from Earth, reincarnated into this world, now had this power that can reshape the entire world. With such powers, he reckoned he had a goal to fulfill.

Konan's most recent bug extermination has led the Akatsuki to discover a long lost transportation seal. These types of seals have long since fallen out of favor due to the risks involved. Thus, Ame now has a ticking time bomb in its backyard. Pein must thus make a decision. To take the risk, evacuate and destroy it blindly, or to send someone into the unknown... -Pre-Canon,AU,Gore

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

One day, a mysterious item was shown to the heroes, and it is a strange one indeed, however, what about this object gets everyone scared about it? After all, it came from the sky... (Marvel/DC/OP x-over).

The infamous magician, a man regarded as a member of the worst generation, is brought to his knees by a glittering admiral and daunting warlord. Is this the end of Basil Hawkins? Waking in a sea shrouded with fog, Hawkins is coerced by the words of Faust, to take up the mantle of parenthood. But is a family really what the magician needs? Only time will tell.

Violet Potter is the twin sister of Boy Who Lived. Given to the Dursley at a young age she is treated no better than a slave. She is saved by the Goddess of the blues who gives her the task to travel her seas while armed with gift to assist her. Adopted from TheBlackSeaReaper, formerly Chaos of the Sea

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.

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?

After stopping at an island to resupply, the monster trio find themselves teleported to the world of Ever After High. Now Luffy, Zoro, and Sanji must adapt to the world of fairy tales as they figure out how to get back to their crew, making friends and loved ones along the way!

Given the power of the gamer, how will a man deal with the world of One Piece? Finding the One Piece is the end goal, but what's the fun in that if you do it without building a harem? A man must go forth with Romance in his heart after all.

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

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.

A universe where the beloved hero Naruto Uzumaki is instead born to Portgas D. Rouge and the Pirate King, Gol D. Roger, as Portgas D. Naruto. Watch as he goes through his life in the One Piece universe looking for freedom from the tyranny of the World Government and the Celestial Dragons.

A 14 year old boy got transferred to One Piece in his dreams along with six Pokemon he caught in the Pokemon Ultra Sun game. This boy only watch One Piece upon till episode 47. Does he know the danger he will face in the future?

Kidnapped by a traitor out of a village that already hated his presence, Naruto wonders the world's vast ocean where he'll meet all kinds of people and learns 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. (Added timeline stamps from Library of Ohara)

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.