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One Piece: Hashirama's Voyage by Mater4thWall reviews
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. SI, Harem, R-18
Crossover - Naruto & One Piece - Rated: M - English - Adventure/Fantasy - Chapters: 125 - Words: 238,357 - Reviews: 311 - Favs: 1,037 - Follows: 1,187 - Updated: 4h - Published: 11/21/2022 - Tsunade S., Hashirama S.
Creamy Dreams by Tengoku no Kotei reviews
My dream is to have someone like you by my side. In a world full of seas, a single man would appear at different moments in certain women's lives and even through time itself, just to grant something lost and unknown to these lonely beauties: true happiness. The joy of being loved without repercussions or fear of what could happen, although not every ending is happy. Short stories.
Crossover - Naruto & One Piece - Rated: M - English - Romance/Hurt/Comfort - Chapters: 1 - Words: 2,363 - Reviews: 4 - Favs: 28 - Follows: 25 - Published: 5h - Naruto U., Baccarat, Reiju, Belo Betty
The Kunoichi Pirate by rixerr reviews
Traveling dimensions wasn't unheard of for Sakura. But Kaguya had been defeated and sealed four years ago, during the forth great ninja war. So why the fuck, was she tied to a mast - on a god forsaken ship, surrounded by PIRATES!
Crossover - One Piece & Naruto - Rated: T - English - Adventure - Chapters: 3 - Words: 6,812 - Reviews: 8 - Favs: 30 - Follows: 35 - Updated: 7h - Published: 9/14 - Whitebeard Pirates, Sakura H., Ace, Luffy
Unwavering Will in the Sea by dafid1 reviews
What if Frisk from Undertale went to the world of One Piece? See what happens as Frisk goes on a new adventure!
Crossover - One Piece & Undertale - Rated: K+ - English - Adventure/Friendship - Chapters: 77 - Words: 123,308 - Reviews: 72 - Favs: 248 - Follows: 250 - Updated: 17h - Published: 11/28/2020 - Luffy, Frisk
Naruto: Blind Hyuga by HKJ017 reviews
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
Crossover - Naruto & One Piece - Rated: T - English - Fantasy - Chapters: 8 - Words: 9,358 - Reviews: 21 - Favs: 55 - Follows: 62 - Updated: 20h - Published: 9/21
Reaching for a Dream by Pinkypi reviews
In one world Luffy dreams of being the freest in the world. In another there's intereference and the world shifts and everything changes and yet nothing does at the same time. As those effected take new and different paths as destinies change and fate is denied its desires for those involved.
Crossover - Harry Potter & One Piece - Rated: M - English - Adventure/Fantasy - Chapters: 2 - Words: 5,281 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 21h - Harry P., Ace
The Overlord Of The Sea by PandaMax reviews
A cataclysmic tremor shakes the world's seas, sending shockwaves that ripple across every corner of the globe. This fateful day, eternally etched into history as "The Quake," heralds not just the advent of a new era but the dawning of the Overlord's dominion. An epic clash between Ainz and the rest of the world begins, where power, secrets, and destiny collide!
Crossover - One Piece & Overlord/オーバーロード - Rated: T - English - Adventure/Fantasy - Chapters: 5 - Words: 8,416 - Reviews: 31 - Favs: 46 - Follows: 66 - Updated: 22h - Published: 9/23 - Luffy, Zoro, Ainz, Albedo
Screw It, I'm Going Out to Find It! by WiseSalmon reviews
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.
Crossover - One Piece & RWBY - Rated: M - English - Humor/Adventure - Chapters: 27 - Words: 121,335 - Reviews: 35 - Favs: 139 - Follows: 149 - Updated: 23h - Published: 5/8 - [Blake B., Jaune A.] Ruby R., L. Ren
Bits of Who I Am by The Samurai Prince reviews
Gomu is a special kid...maybe a little TOO special. When he was little, he wanted to be a pirate king, much to the confusion of his older brother and father. However, he wanted to help people, so he wanted to try and become a Hero, and go to the school his brother went to, UA. However, he sometimes feels like something is taking over his body...but he's still him. MHA/OP Xover-ish.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Humor - Chapters: 1 - Words: 3,620 - Reviews: 4 - Favs: 13 - Follows: 20 - Published: 9/28 - [Luffy, Momo Y.] Izuku M., Taishiro T./Fat Gum
DEATH the Mysterious Organization by Tre600 reviews
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.
Crossover - Naruto & One Piece - Rated: M - English - Adventure/Friendship - Chapters: 95 - Words: 330,768 - Reviews: 25 - Favs: 63 - Follows: 64 - Updated: 9/28 - Published: 11/11/2019
Father of Monsters by NeonZangetsu reviews
What is a monster? We use the term so often nowadays, in so many ways, it's long since lost any meaning. At their core, Monsters are that which evoke horror, and horror is the violation of that which is 'normal'. They are rejected by society, hated, abandoned. How could I hate a child for wanting to be more than 'normal? I refuse! Narutoxharem. Surprising pairing. Read and see!
Crossover - Naruto & One Piece - Rated: T - English - Romance/Adventure - Chapters: 2 - Words: 23,240 - Reviews: 351 - Favs: 898 - Follows: 973 - Updated: 9/28 - Published: 7/14 - Naruto U., Bellemere, Olvia, Big Mom/Charlotte Linlin
Pokemon: Freedom and Justice by DolphinLover420 reviews
Fresh off the coast of Cactus Island, the Straw Hat Pirates have barely made headway into the Grand Line and are already embroiled in a national crisis. As they sail for Little Garden with the Princess of a Desert Kingdom in tow, the needle of their Log Pose suddenly directs them to a new island, where world-changing revelations, mysteries and adventures all await them.
Crossover - Pokémon & One Piece - Rated: T - English - Adventure/Friendship - Chapters: 3 - Words: 17,681 - Reviews: 3 - Favs: 17 - Follows: 18 - Updated: 9/28 - Published: 9/19 - Luffy, Zoro, Vivi, OC
I Love You In Your Tragic Beauty (REVISED VERSION) by Challa reviews
Sakura gets sent on a mission to undergo training under Dr.Kureha. One day she stumbles over the torn up body of a green-haired swordsman. Deciding to nurse him back to health, she soon learns his condition is far worse than she originally thought. ZoroxSakura
Crossover - Naruto & One Piece - Rated: M - English - Romance/Adventure - Chapters: 2 - Words: 10,797 - Reviews: 4 - Favs: 5 - Follows: 7 - Updated: 9/28 - Published: 9/14 - [Sakura H., Zoro] Strawhat Pirates
New World Blues by lisbeth00 reviews
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.
Crossover - Harry Potter & One Piece - Rated: M - English - Adventure/Supernatural - Chapters: 7 - Words: 32,845 - Reviews: 42 - Favs: 114 - Follows: 165 - Updated: 9/28 - Published: 9/14 - Harry P., Strawhat Pirates
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: 15 - Words: 21,025 - Reviews: 4 - Favs: 22 - Follows: 22 - Updated: 9/27 - Published: 9/10/2022 - Harry P.
The Otherworld Pirates by AzureWriter83 reviews
It was 25 years ago. As Gold Roger sailed the seas as the King of the Pirates, green light appeared all over the world, and they continued to appear to this day. And as they did, they would drop off people from other worlds. One day, a certain green hero appears. He meets new friends, goes on adventures, and decides that he doesn't like a certain government and how it runs things.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Friendship - Chapters: 3 - Words: 20,965 - Reviews: 7 - Favs: 32 - Follows: 38 - Updated: 9/27 - Published: 9/5
Watching My Heroes Reborn by Joanne Frances Tiano Cajilig reviews
Thank you Emma Iveli for your permission to create this story. I'm doing my best to make it fun and twik it a little. it's basically my hero academia watching my heroes reborn in a theatre similar to all those watch movies or alternate universe stuff...
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Humor/Adventure - Chapters: 98 - Words: 589,786 - Reviews: 277 - Favs: 563 - Follows: 574 - Updated: 9/27 - Published: 9/21/2020 - Sanji, Izuku M.
Wet Spider by Tengoku no Kotei reviews
Maria wasn't used to being dominated by a man much smaller than her, but she also didn't know that a man like him could exist across the seas. She was so thirsty that she was shaking in anticipation of the Uzumaki's mind-blowing arrival. A wonderful man with heavenly blue eyes and a comforting smile. Powerful and relentless. And he would do the job by kissing my swollen spider.
Crossover - Naruto & One Piece - Rated: M - English - Romance/Hurt/Comfort - Chapters: 1 - Words: 452 - Reviews: 3 - Favs: 43 - Follows: 38 - Published: 9/27 - [Naruto U., B. Maria] Yamato, Ulti
No Way Home, Lost Century by Tengoku no Kotei reviews
In the past, things were very different. Knowing what they had left behind, the couple had no choice but to take a 'leap of faith'. 800 years into the future… now this can be a little tricky. What has changed? I don't know what awaits us in this new time, but it will be a day in hell before anyone dares to lay a finger on my wife! Supreme Ruler! Naruto. Strictly Naruto/Toki!
Crossover - Naruto & One Piece - Rated: T - English - Romance/Family - Chapters: 2 - Words: 8,992 - Reviews: 23 - Favs: 152 - Follows: 157 - Updated: 9/27 - Published: 9/4/2022 - [Naruto U., Toki] Momonosuke, Hiyori/Komurasaki
Lost in the Grand Line by Oldtga reviews
Return to Lost In The Blues, Jack sparrow ended up well off after the events of the final movie. Jack finds himself stranded in the one piece world will he make a splash or fall to the legendary pirates that sail the seas. rated M for Sailor Speak.
Crossover - Pirates of the Caribbean & One Piece - Rated: M - English - Adventure/Humor - Chapters: 2 - Words: 11,032 - Reviews: 2 - Favs: 8 - Follows: 8 - Updated: 9/26 - Published: 9/24 - Capt. Jack Sparrow, Yonko, Jack the Undead Monkey
Grand Sail To Freedom by Kfbanime87 reviews
“ wealth, fame power These were the words spoken by late pirate, king gold, Roger. you want my treasure? You can have it! I left it all in one place! And does the great pirate era came. But with some don’t know, is that not all seek wealth, power or fame no there are others who seek freedom. That is what this journey is about freedom.My name is Naruto Uzumaki,and this is my tale
Crossover - Naruto & One Piece - Rated: M - English - Adventure/Humor - Chapters: 4 - Words: 32,464 - Reviews: 103 - Favs: 453 - Follows: 473 - Updated: 9/26 - Published: 8/10 - Naruto U., Nami, Robin
The Aura sage of the grand line by Foxsky Harem Emperor 2015 reviews
It in the first chapter.
Crossover - Naruto & One Piece - Rated: M - English - Humor/Adventure - Chapters: 1 - Words: 362 - Reviews: 7 - Favs: 33 - Follows: 40 - Published: 9/26 - [Naruto U., Hinata H., Vivi]
Naruto and Yamato by TheChamp123 reviews
Two very close friends since childhood shared a dream...To free themselves of their chains and explore what the great seas had to offer. To grow in strength so they could one day return to their home and free it from the likes of the captain of the beast pirates, Kaido.
Crossover - Naruto & One Piece - Rated: M - English - Adventure/Romance - Chapters: 1 - Words: 10,034 - Reviews: 25 - Favs: 218 - Follows: 253 - Published: 9/26 - [Naruto U., Yamato]
Rendezvous by Tengoku no Kotei reviews
The smell of the salty sea was no deterrent to adventure for the only man to reach the high pinnacle of power. The discovery of an unknown continent hidden in a dimension of its own was the key that Uzumaki Naruto needed to find to discover the ultimate purpose of his existence. He just wasn't expecting it to be in the form of small meetings with the women in his life. Mass Harem!
Crossover - Naruto & One Piece - Rated: M - English - Romance/Adventure - Chapters: 3 - Words: 8,671 - Reviews: 18 - Favs: 128 - Follows: 141 - Updated: 9/26 - Published: 9/17 - Naruto U., Makino, Nojiko, Kaya
What's a Demon? by IdiotwithaPhone reviews
Luffy & Co. Finally got Sanji back from the clutches of Big Mom and rushed forward to Wano to meet up with the rest of the crew. During the trip they get a well-deserved break from everything, Luffy suddenly disappears without a trace and the crew panics about his disappearance. Meanwhile, Luffy is transported to a world where Demons and Demon Slayers exist. (sucky title)
Crossover - One Piece & Demon Slayer: Kimetsu No Yaiba - Rated: K - English - Humor/Adventure - Chapters: 3 - Words: 3,575 - Reviews: 6 - Favs: 43 - Follows: 55 - Updated: 9/26 - Published: 5/10 - Luffy, Strawhat Pirates
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