His business in the Elemental Nations concluded, Natsu and his allies now find themselves embroiled in the second half of the Realis Grail War set amidst a world of Pirates, Marines and Servants. Threats from past and future alike collide as a plot eight hundred years in the making threatens to put all of existence itself at the mercy of the Antiverse.

La folie ronge le pauvre "fantôme des mers". En effet, Ace ne trouve aucun moyen de pouvoir se venger de son ancien maitre, Arès. Alors qu'il allait perdre espoir, un invité des plus surprenant va lui ouvrir la voie pour la liberté. Est ce que notre héros arrivera-t-il à avoir cette chance ou bien ceux qui rodent dans l'ombre l'attraperont? Ca, seul l'avenir nous le dira.

Too fast. It happened too fast... One moment Eustass Kid was on his way into the next half of his journey into the new world, but all it took was the random appearance of a mystical cube and a supposed hero called Blast to tear apart his ambitions and leave him stranded in a world he knew nothing about. Also, who the heck is this caped baldy guy? Hiatus/Cancelled.

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. Hiatus/Cancelled.

Jump into the fun as Straw-Hat Pirates Luffy and Zoro travel to a new world to stop an evil Warlord from taking over the world

Fighting to escape Tartarus, Percy and Annabeth make a gamble and arrive in a strange world and make weird but exciting new friends.

In the age of the Void century, gods from other realities arrived and changed the world of one piece for better or worse this is the adventure of the straw hat Pirates this is a Au Harem story.

After his father's mistakes catch up to him Ranma's offered a job by Belldandy and Urd: to take on the role of heroes in other dimensions who have failed in their destinies. Sent into the One Piece Universe, his mind merges with Luffy's as a baby. What effect will a smarter, more battle-hardened Luffy with unheard of skills make in this screwed up world? Should be fun to find out!

Esmeralda, 18, lives with her father in South Central Los Angeles, California. She and her father are poor but work to get by. One day, she meets playboy Sosuke Aizen who witnesses her dancing and takes an interest in her. However, Sosuke is not the only one interested in her. Esmeralda will be taken into a world that is a matter of life or death.

A teen with a Straw hat and a wandering Shinobi meet and it all starts with a single question: "Say, do you want to join my crew?" Watch as the world is turned upside down with them and the rest of the crew! OC Naruto. Harem

The Tower of Heavens, a structure made to revive someone from the dead, but what happens if the desired person you wish to bring back was still alive? Well in such situations Fate takes matters into its own hands. Watch as our beloved moss head is tossed into a world full of magic ,dragons and surprisingly good beer, while Jellal tries to deal with this legend of the past.

With the four nations at war, and pirates sailing all over the seas the world is filled with chaos. But chaos won't stop Monkey D Luffy from his dream of obtaining the legendary treasure known as the One Piece, all the while Avatar Aang tries to master all four Elements to stop the Fire Lord, and end the war while recruiting and befriending many people along the way.

an Omake story

"¿Quién es el más fuerte?, ¡claramente soy yo!", gritan al mismo tiempo un Pirata, un Shinigami, un Saiyajin y un Shinobi. Atrapados en un mundo aparte, estos cuatro universos chocarán ... ni el Big Bang sonó tan fuerte ni fue tan llamativo, como este choque. (Fanfiction sólo me dejó poner dos crossover, pero esta historia es un crossover entre cuatro animes).

Look, it's not MY fault the game bugged when I clicked two different worlds at the same time. Actually, I'm the victim! Getting thrown back and forth between One Piece and One Punch Man like a ragdoll isn't exactly what I call fun, and having a glitching out System doesn't make it easier! Well, guess I can't complain now. Might as well enjoy myself!

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

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.

"C'est avec de l'argent sale qu'on construit des hôpitaux". Comment ne pas accorder de crédit aux bienfaits du crime quand les lois s'obstinent à vouloir briser une famille qui n'a rien demandé à personne, sinon une seconde chance ?(fem!Ace NoHorcruxe!Harry- !Dumby/Ron/Ginny/Molly Bashing)

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.

He was still on the Rusukaina yesterday, so why did he wake up in a different place? Familias, Falna, Dungeon, and adventurers, the young captain must adapt to this strange place while trying to find his way back to his friends.

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, that leaves some of the class stranded on a floating raft that is found by a pirate crew who have just arrived into the New World.

Jaune finds himself at the low end of society after leaving Beacon, but an encounter with a former mobster/pirate may just change his fate. Now with Capone 'Gang' Bege's skills and powers, Jaune fights for what is right his way, even if that means going against those he considered friends and the law!

It had only been two days since Mami joined the Straw Hats and Luffy wants another new crewmember, a walking talking skeleton. While trying to recruit him, they end up on the floating island of Thriller Bark. While there something happens that brings about something that should never, ever exist. And Mami and the rest of the Straw Hats are the only ones that can stop it. Please R&R

Sakura just wanted this war to end, for her teammates to be able to smile together again. Instead, she wakes up in another dimension, loses her ability to swim, and becomes shrouded in more mystery than she cared for. Now she aims to travel the Grand Line, with the oddest crew mates and their eccentric straw-hat captain, in hopes of uncovering answers.

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!