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L'Héritier de l'Underground by Zialema reviews
"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)
Crossover - Harry Potter & One Piece - Rated: T - French - Crime/Family - Chapters: 65 - Words: 625,096 - Reviews: 505 - Favs: 392 - Follows: 406 - Updated: 10/1 - Published: 1/9/2019 - Harry P., Ace, Thatch
Away in the Robin's Nest by VixenRose1996 reviews
Being stuck in another universe was never something that Nico Robin would enjoy. But, at the very least, she has Franky by her side. Then, as time goes on, the once Devil Child of Ohara and former Crime Boss of Water 7 find themselves taking in children that the world has discarded. And as conflict brews, the two must work to defend their new family. FOR PEPPY!
Crossover - DC Superheroes & One Piece - Rated: T - English - Family/Adventure - Chapters: 13 - Words: 71,623 - Reviews: 118 - Favs: 464 - Follows: 528 - Updated: 9/30 - Published: 2/24/2022 - B. Wayne/Batman, Robin, Franky
The Black Leg ninja by kuroshianime reviews
naruto find a hidden library where he Discover's a new fighting style
Crossover - Naruto & One Piece - Rated: K - English - Adventure/Drama - Chapters: 1 - Words: 799 - Reviews: 2 - Favs: 10 - Follows: 11 - Published: 9/30
Heroes of the New World by Zaru reviews
A Crossover Story between Zaru and Juubi-k. As Yamato, Son of Kaido, heals from her wounds from a battle against her tyrannical father, a chance meeting with a injured boy in green opens her world. And that world, will change. The boy's name? Midoriya Izuku. For Questions, refer to FAQ in story(after Chapter 15)
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Adventure - Chapters: 47 - Words: 306,970 - Reviews: 846 - Favs: 1,703 - Follows: 1,851 - Updated: 9/30 - Published: 6/11/2022 - Yamato, Izuku M.
The Straw Hat Pirates vs The Sternritters by Rico 94 reviews
As the battle between Luffy and Douglas Bullet comes to an end, a more dangerous threat closes in on him and his crew, the Sternritters. It turns out this alliance with some unexpected allies may not be just one time thing. Especially if it involves Ichigo, soul reapers, arrancars, and quincies? Up for adoption.
Crossover - One Piece & Bleach - Rated: T - English - Adventure/Fantasy - Chapters: 2 - Words: 3,548 - Reviews: 13 - Favs: 33 - Follows: 37 - Updated: 9/30 - Published: 5/29/2022 - Luffy, T. Law, Ichigo K., Vandenreich
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: 2 - Words: 11,047 - Reviews: 4 - Favs: 13 - Follows: 19 - Updated: 9/30 - Published: 8/17 - Izuku M.
The Lunarian by All watch
Kaido gave the young Lunarian two choices: join the Beast Pirates and procreate with as many women as possible so that he could create an army or suffer a fate worse than death. Crow chose the former but vowed to kill Kaido one day and make his dreams a reality.
Crossover - One Piece & Cross Over/クロスオーバー - Rated: M - English - Adventure/Romance - Chapters: 20 - Words: 21,303 - Favs: 7 - Follows: 9 - Published: 9/29 - OC, Yamato, Uta, Ulti
Onigashima by Tengoku no Kotei reviews
A giant skull could very well be the home of the pirate crew of one of the Four Emperors, and yet a certain unpredictable ninja wouldn't think twice about breaking in. He could very well take the opportunity to get to know the place better. After all, who would be able to fight one-on-one against someone who has defeated gods before? It's time for Uzumaki Style! Hot! Spicy! Smut?
Crossover - Naruto & One Piece - Rated: M - English - Romance/Hurt/Comfort - Chapters: 3 - Words: 6,990 - Reviews: 19 - Favs: 206 - Follows: 213 - Updated: 9/29 - Published: 3/1 - [Naruto U., Ulti, B. Maria, Yamato]
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: 251 - Follows: 250 - Updated: 9/28 - Published: 11/28/2020 - Luffy, Frisk
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: 2 - Favs: 5 - Follows: 7 - Published: 9/28 - Harry P., Ace
Bits of Who I Am by The Samurai Prince reviews
Gomi 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: 3,695 - Reviews: 6 - Favs: 22 - Follows: 35 - 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: 26 - 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: 401 - Favs: 999 - Follows: 1,096 - 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: 18 - 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: 6 - Favs: 9 - Follows: 14 - Updated: 9/28 - Published: 9/14 - [Sakura H., Zoro] 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: 36 - Follows: 42 - 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: 565 - 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: 48 - Follows: 40 - 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: 153 - Follows: 158 - 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: 11 - Follows: 11 - 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: 105 - Favs: 457 - Follows: 476 - 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: 8 - Favs: 34 - Follows: 42 - 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: 241 - Follows: 277 - 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: 20 - Favs: 139 - Follows: 153 - Updated: 9/26 - Published: 9/17 - Naruto U., Makino, Nojiko, Kaya
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