One Piece Crossovers
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Izuku and Mei's Excellent Adventure by Bardothren reviews
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.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Humor - Chapters: 23 - Words: 104,034 - Reviews: 177 - Favs: 385 - Follows: 438 - Updated: 8/20 - Published: 7/25/2021 - Luffy, Gol D. Roger, Izuku M., Mei H.
Game Breaker! by TheOneAndOnlyBanana reviews
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!
Crossover - One Piece & One Punch Man/ワンパンマン - Rated: M - English - Humor/Adventure - Chapters: 4 - Words: 54,047 - Reviews: 25 - Favs: 149 - Follows: 189 - Updated: 8/20 - Published: 1/6 - OC
Sin of the Tree by AgentKoji reviews
With the blood of the most villainous man flowing through his veins, Naruto was destined for a life of conflict. With his goal and the current age of piracy aligning like destiny, his existence will soon bring panic around the seas. After all, the apple doesn't fall far from the tree.
Crossover - Naruto & One Piece - Rated: M - English - Adventure/Romance - Chapters: 2 - Words: 7,853 - Reviews: 23 - Favs: 97 - Follows: 119 - Updated: 8/20 - Published: 7/24 - Naruto U.
Rise of Hadrian D Pendragon (Book 2) by Merilwen-Vendethiel reviews
(Cross Posted on AO3)(Rated M) It's time for Hadrian to return to Hogwarts only this year he has a chamber and a sociopath to contend with. How bad will this year go that he needs to continually hide from his peers and his guard?
Crossover - Harry Potter & One Piece - Rated: M - English - Chapters: 14 - Words: 19,503 - Reviews: 4 - Favs: 19 - Follows: 20 - Updated: 8/20 - Published: 9/10/2022 - Harry P.
Shinobi On Board by LoneWolf-O1 reviews
After being transported to a world where Marines and Pirates fight on the sea, Naruto joins the adventures of the Straw Hat Pirates. Let's see what he gets up to. Rated M to be safe. Naruto/Harem.
Crossover - Naruto & One Piece - Rated: M - English - Adventure - Chapters: 54 - Words: 318,419 - Reviews: 789 - Favs: 2,334 - Follows: 2,404 - Updated: 8/20 - Published: 11/21/2015 - [Naruto U., Nami, Robin, Gina]
Naruto On Board by LoneWolf-O1 reviews
What happens when Naruto joins the Straw Hat Crew? Read and find out. Story starts at the Arlong arc. Rated M to be safe. Naruto/Harem. In the process of being Beta'd. NOW IN WANO, so slow updates to let Anime/Manga update.
Crossover - Naruto & One Piece - Rated: M - English - Adventure - Chapters: 96 - Words: 501,805 - Reviews: 1486 - Favs: 3,416 - Follows: 3,170 - Updated: 8/20 - Published: 6/1/2013 - [Naruto U., Nojiko, Nami, Robin]
Finding a way home by markoalexandro42 reviews
Let's see what happens
Crossover - Naruto & One Piece - Rated: M - English - Adventure/Humor - Chapters: 1 - Words: 1,071 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 8/20
Quirks? Do you eat those too? by nashandra reviews
A self-insert lands in the MHA world, only to think she's in the One Piece one. She proceeds to bring the latter's insanity to the former by copious amounts of Devil Fruit jailbreaking. Watch as the Copy Woman turns logic upside down and makes you question everything you knew, or her name isn't D (it isn't, she just calls herself one).
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Humor/Adventure - Chapters: 11 - Words: 68,370 - Reviews: 25 - Favs: 104 - Follows: 127 - Updated: 8/20 - Published: 6/11 - Toshinori Y./All Might, Kazuho H./Pop Step
Finding a way home by markoalexandro42
In an unknown place, unknown beings in an unknown force system, let's see what happens when Naruto and his friends end up in an assed place.
Crossover - Naruto & One Piece - Rated: T - English - Adventure/Humor - Chapters: 1 - Words: 1,032 - Favs: 1 - Published: 8/20
Maelstrom of the Sea by Azazael-X reviews
A 5 Year Old Gol D Naruto heard his father's final word and decided that it was him that would have to be the Next King. He was the Oldest Son of the Previous Pirate King after all. He was the heir to the Throne of the Pirate King. He will have to face many enemies. But he is also not weak. He will gain a Crew stronger then his fathers or even Rocks D Xebec. I made the Jolly Roger.
Crossover - One Piece & Naruto - Rated: K - English - Adventure - Chapters: 3 - Words: 14,903 - Reviews: 10 - Favs: 63 - Follows: 61 - Updated: 8/19 - Published: 7/30 - [Komurasaki, Naruto U.] [Yamato, Ace]
Is it wrong to do whatever you want just because you can? by shivajuha reviews
If you had your very own Isekai experience while having access to the Gura Gura No Mi and Haki powers, what would you do with all that? For Jay Rosée, the answer is clear: Screw being an average protagonist. He has the power to mess with the canon, and he will do just that. Why, you ask? Because it's fun, of course!
Crossover - One Piece & Dungeon ni Deai o Motomeru no wa Machigatte Iru Darou ka - Rated: T - English - Adventure/Fantasy - Chapters: 8 - Words: 92,568 - Reviews: 83 - Favs: 328 - Follows: 391 - Updated: 8/19 - Published: 1/3 - Bell C., Hestia, OC
Milenio Vacío II: Viejo Mundo by Sun Dancer 0880 reviews
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
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: K+ - Spanish - Adventure/Friendship - Chapters: 36 - Words: 212,385 - Reviews: 40 - Favs: 17 - Follows: 19 - Updated: 8/19 - Published: 2/1 - Luffy, Strawhat Pirates, Toshinori Y./All Might, 1-A Students
The Butterfly Effect by Mayura0Karin reviews
In a second, the ninja world disappeared, discovering that it was just another island within the new world. Alone and devastated, in a world where her existence could be a danger to the world order, Sakura let herself go, waiting for her death until fate led her to certain pirates who gave her hope and a reason to live. Sakura embarks on a journey in a new world.
Crossover - Naruto & One Piece - Rated: M - English - Adventure/Romance - Chapters: 7 - Words: 38,433 - Reviews: 11 - Favs: 19 - Follows: 30 - Updated: 8/18 - Published: 7/30 - [Sakura H., Ace] Luffy
Void Millennium II: Lost World by Sun Dancer 0880 reviews
All Might decides to take advantage of the arrival of an unknown pirate crew from the past to make a voyage to the ruins of the Red Line. Simultaneously, the heroes engaged learnt of his plans and decided to bring him back against his will, leaving themselves at the mercy of the wild sea, forcing them to cooperate with the pirates and discovering along the way... A lost world.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Friendship/Adventure - Chapters: 8 - Words: 57,620 - Reviews: 4 - Favs: 16 - Follows: 14 - Updated: 8/18 - Published: 7/21 - Luffy, Strawhat Pirates, Toshinori Y./All Might, 1-A Students
A Clash of Devils by JokerGames1999 reviews
The devil fruits, mysterious fruits filled with amazing powers. Ever since the First Men crossed over to Westeros they have learned to harness these strange abilities. How will the devil fruits change the game of thrones? (co-author tapir07)
Crossover - One Piece & A song of Ice and Fire - Rated: M - English - Adventure/Drama - Chapters: 5 - Words: 14,690 - Reviews: 6 - Favs: 22 - Follows: 29 - Updated: 8/18 - Published: 7/12 - Luffy, Jon S.
Whisker-marked Pirates by Dendras reviews
While many choose a safe and comfortable life, a daring and adventurous Blond with a whisker-marked face sought to see and experience the ever-expanding world. With a smile on his face, he embarked on an adventure that would change the world, for better or for worse. Big AU and slightly darker world.
Crossover - Naruto & One Piece - Rated: T - English - Adventure - Chapters: 4 - Words: 18,489 - Reviews: 14 - Favs: 39 - Follows: 43 - Updated: 8/18 - Published: 7/18 - Naruto U.
The D Stands For Deku by Duke9295 reviews
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.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Adventure/Fantasy - Chapters: 1 - Words: 3,727 - Reviews: 1 - Favs: 6 - Follows: 10 - Published: 8/17 - Izuku M.
Chronicles of a Pirate by Morpheus The Dream Lord reviews
When Uzumaki Naruto was young, he met a girl that had been blown overboard by pirates. That girl, whose name he'd discover is synonymous the world over, is wanted by the World Government. After falling for her, he decided to give up on his dreams of being a naval officer and instead chose another path. The path of piracy. Why? To protect what he loves the most
Crossover - Naruto & One Piece - Rated: M - English - Adventure/Mystery - Chapters: 8 - Words: 31,007 - Reviews: 77 - Favs: 433 - Follows: 524 - Updated: 8/16 - Published: 5/23/2016 - Naruto U., Robin
Rubber Trainer by seattlesoccer98 reviews
Ash Ketchum hails from another continent where 900 years ago devil fruits were brought into existence due to mysterious circumstances. Now wanting to travel the world he sets off as a pokemon trainer with the powers of the Gomu Gomu no mi.
Crossover - Pokémon & One Piece - Rated: T - English - Adventure/Supernatural - Chapters: 10 - Words: 25,387 - Reviews: 3 - Favs: 20 - Follows: 22 - Updated: 8/16 - Published: 9/20/2022
Just a Hectic Life by Mr. FBI reviews
V (MC) lost all his memory and found himself in a different world with a strange living organism in him. In an attempt to recover his past he travels the world, one action leads to another and has consequences. *Multiple crossovers *Adult content *Quality work Quantity work
Crossover - One Piece & Marvel - Rated: M - English - Romance/Supernatural - Chapters: 12 - Words: 18,852 - Reviews: 1 - Favs: 7 - Follows: 11 - Updated: 8/16 - Published: 7/19 - Hiyori/Komurasaki, Yamato
Repercussions of the Omni-Omni Fruit by Traitor of All Traitors reviews
In another twist of fate in the Twelfth Angel, Shinji ends up in a place where life at sea is the norm for people. But for him, it's not just a way of life, but the only way to save his own. A piece of fruit bestows upon him unimaginable power, but at a terrible price, and now he needs to finds a fabled treasure that may hold the one thing he needs to survive. First attempt.
Crossover - Evangelion & One Piece - Rated: T - English - Adventure - Chapters: 2 - Words: 7,269 - Reviews: 5 - Favs: 21 - Follows: 24 - Updated: 8/16 - Published: 7/15 - Shinji I., OC
Piratería by Nenu-Chan reviews
En su defensa ella no pidió viajar a otro mundo Pd: Escribo esto para divertirme.
Crossover - Naruto & One Piece - Rated: M - Spanish - Humor/Adventure - Chapters: 5 - Words: 8,596 - Reviews: 5 - Favs: 6 - Follows: 9 - Updated: 8/15 - Published: 7/6 - Sakura H., Luffy, Zoro, Sanji
Kaizoku: Kimetsu no Yaiba by ramblehook reviews
The story begins with Zoro and Law landing on an unknown island in the timeline of Kimetsu no Yaiba, after a sea incident in the New World. They encounter the Insect Hashira, Shinobu Kocho who arrives to investigate the island in search of demons. The story takes place after the Dressrosa Arc (One Piece) and Mugen Train Arc (Demon Slayer: Kimetsu no Yaiba).
Crossover - One Piece & Kimetsu no Yaiba/鬼滅の刃 - Rated: T - English - Adventure/Mystery - Chapters: 50 - Words: 115,822 - Reviews: 85 - Favs: 296 - Follows: 311 - Updated: 8/15 - Published: 1/18/2020 - Zoro, T. Law, Giyuu T., Shinobu K.
The Pirates' Savior by Jdot.FightMe reviews
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.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Angst - Chapters: 6 - Words: 32,351 - Reviews: 28 - Favs: 224 - Follows: 282 - Updated: 8/14 - Published: 7/1 - Luffy, Ace, Whitebeard Pirates, Izuku M.
The Land of the Samurai by SilverXSilver reviews
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.
Crossover - One Piece & Gintama - Rated: T - English - Humor/Adventure - Chapters: 5 - Words: 22,035 - Reviews: 7 - Favs: 20 - Follows: 16 - Updated: 8/14 - Published: 7/17 - Strawhat Pirates, Momonosuke, Yorozuya Gin-chan
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