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Luffy is Lost in The MHA world, but he gets taken in by Momo's dad by Andreiuhs reviews
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.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: K+ - English - Humor - Chapters: 7 - Words: 48,033 - Reviews: 56 - Favs: 108 - Follows: 128 - Updated: 1h - Published: 11/22 - Luffy, Momo Y., 1-A Students
Far From Home by Aelyssea reviews
Lilwen Malfoy, la fille de Lucius, se retrouve propulsée à travers l'arche du ministère de la magie et arrive dans le monde de One Piece. Découvrez ses aventures, ses alliés, et ennemis, dans son périple pour retourner dans son monde. (Voldemort, Harry, Lucius et Severus vont faire leur apparition dans l'histoire) (voir résumé plus détaillé à l'intérieur)
Crossover - Harry Potter & One Piece - Rated: T - French - Humor/Adventure - Chapters: 10 - Words: 88,019 - Reviews: 15 - Favs: 14 - Follows: 15 - Updated: 8h - Published: 9/28/2021 - Harry P., Voldemort, Crocodile, Doflamingo
Heroes of the New World - Omake Anthology by Zaru reviews
This is a collection of Omakes and Tales written and told by me and my fans. This is Non-Canon to the main story Heroes of the New World, but we hope you enjoy it regardless. Heartfelt. Funny. Tragic. And Dramatic. Come see the alternate tales of Izuku and Yamato's Adventures.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Parody - Chapters: 50 - Words: 44,661 - Reviews: 60 - Favs: 156 - Follows: 166 - Updated: 10h - Published: 9/6
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.
Crossover - Naruto & One Piece - Rated: M - English - Adventure/Fantasy - Chapters: 5 - Words: 10,230 - Reviews: 6 - Favs: 76 - Follows: 101 - Updated: 10h - Published: 11/21 - Tsunade S., Hashirama S.
Ilussionary Blue Sea (幻想的な青い海) by kaindol51 reviews
Yukari in her daily travel's to the outside world, stumbles upon a place she finds Interesting. In this place pirates across all Places come from the seas, in search of the treasure of a deceased man called Gol. D Roger. The One Piece. Yukari then decides to throw the hakurei miko In this place for her own amusement. now Reimu has no choice but help Luffy become the pirate king.
Crossover - Touhou Project & One Piece - Rated: T - English - Adventure/Humor - Chapters: 12 - Words: 57,913 - Reviews: 23 - Favs: 44 - Follows: 44 - Updated: 11h - Published: 12/15/2021 - Reimu H., Luffy, Youmu K., Zoro
Kunoich amongst Pirates by Katsura369 reviews
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.
Crossover - Naruto & One Piece - Rated: M - English - Romance/Adventure - Chapters: 3 - Words: 12,246 - Reviews: 29 - Favs: 182 - Follows: 232 - Updated: 15h - Published: 10/25 - Naruto U., Sakura H., Luffy, Zoro
Milenio Vacío by Sun Dancer 0880 reviews
Después de no poder apoyar durante la lucha contra Overhaul y perder a su amigo en batalla, All Might cae en depresión al sentirse un estorbo donde una vez fue el número uno. El trauma le trae memorias de un viaje increíble en un mundo donde los poderes pueden ser vencidos con una fuerza llamada Haki, lo que no sabia era que revivir esos recuerdos repercutiría con su presente.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - Spanish - Adventure/Friendship - Chapters: 10 - Words: 51,983 - Reviews: 15 - Favs: 7 - Follows: 10 - Updated: 20h - Published: 9/28 - Luffy, T. Law, Izuku M., Toshinori Y./All Might
Ten Piece by Spartan of Chaos reviews
Ben Tennyson and his team are in for the adventure of a lifetime when Professor Paradox sends them on a mission to aid the Straw Hat Pirates in finding the legendary treasure One Piece and help Monkey D. Luffy achieve his dream of becoming the Pirate King. But, old enemies plot their return.
Crossover - One Piece & Ben 10 - Rated: T - English - Sci-Fi/Adventure - Chapters: 19 - Words: 143,505 - Reviews: 185 - Favs: 419 - Follows: 382 - Updated: 22h - Published: 12/12/2016 - Luffy, Zoro, Ben T., Vilgax
The End Is Not The End by kittyface27 reviews
When Ace falls out of the sky with no memory of his past life, he meets a nice family who helps him to get back on his feet. He didn't expect that staying with the Kurosakis would throw him into a crazy other world with shinigamis and huge monsters. But he's definitely along for the ride with his new friends, and people he sees as a new family.
Crossover - One Piece & Bleach - Rated: T - English - Adventure/Supernatural - Chapters: 12 - Words: 73,836 - Reviews: 11 - Favs: 20 - Follows: 24 - Updated: 23h - Published: 9/10 - [Ace, Marco] Ichigo K., Rukia K.
Stranded by Liola reviews
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
Crossover - Naruto & One Piece - Rated: M - English - Adventure/Friendship - Chapters: 19 - Words: 58,787 - Reviews: 40 - Favs: 95 - Follows: 123 - Updated: 11/29 - Published: 1/17/2021 - Itachi U., Deidara, Sasori, Kisame H.
Digital Reincarnation by Sakura Alexia reviews
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?
Crossover - One Piece & Nier - Rated: T - English - Angst/Family - Chapters: 64 - Words: 222,673 - Reviews: 8 - Favs: 57 - Follows: 59 - Updated: 11/29 - Published: 12/22/2021 - Robin, 2B, 9S, A2
Cataclysm by Kalib Hassan reviews
The Golden Age of Piracy is upon the world! Follow the tales of Uzumaki Boruto as he tries to carve out his own niche within this world; Himawari's quest to achieve justice, and the campaigns of vice-admiral Uzumaki Naruto, all the while Monkey D. Luffy is aspiring to become Pirate King. Oh, and there will be Fairy Tail characters involved; you have been warned!
Crossover - Naruto & One Piece - Rated: M - English - Adventure - Chapters: 10 - Words: 78,258 - Reviews: 18 - Favs: 50 - Follows: 57 - Updated: 11/29 - Published: 11/26/2021 - Naruto U., Boruto U., Luffy, Fujitora/Issho
Straw Hat DXD by ItsBobbyXD reviews
In the Battle against Kaido luffy falls of the island and is somehow transported to the world of DXD find out what will happen next.
Crossover - High School DxD/ハイスクールD×D & One Piece - Rated: T - English - Romance/Adventure - Chapters: 12 - Words: 24,020 - Reviews: 43 - Favs: 39 - Follows: 52 - Updated: 11/28 - Published: 10/12 - H. Akeno, Rias G., Luffy, Zoro
I Don't Know Them! by Bill Fusuki
One-shot/Flash-Fiction. Master Chief and the Straw Hat Pirates square up against Buggy and his Clown Pirates.
Crossover - Halo & One Piece - Rated: T - English - Adventure - Chapters: 1 - Words: 707 - Published: 11/28 - Master Chief/John-117, Luffy, Zoro, Nami - Complete
Heart Transplant by Anzer'ke reviews
Gloria Martinez knew how Night City worked. She knew Trauma Team wouldn't save her. She knew that nobody would care about someone like her. So the Surgeon of Death came as a hell of a surprise. Lost on an alien planet, far away from home. The Heart Pirates do what they do best.
Crossover - One Piece & Cyberpunk 2077 - Rated: T - English - Adventure/Romance - Chapters: 4 - Words: 19,098 - Reviews: 36 - Favs: 184 - Follows: 233 - Updated: 11/28 - Published: 10/5 - Bepo, T. Law
One Magi: YEFBTL by Sorceric7 reviews
Trials and Tribulation. Every pirate has experienced these things when they sail the Grand Line. Maxwell sailing with Straw-Hat Pirates have had their own fair share of troubles along their journey. Now they're close to half way mark, but that doesn't offer a reprieve. No. This is the beginning of a long, long night.
Crossover - One Piece & Dragon Age - Rated: T - English - Adventure/Fantasy - Chapters: 26 - Words: 112,880 - Reviews: 38 - Favs: 42 - Follows: 52 - Updated: 11/28 - Published: 1/3
One Piece: Crimson Tides by Morpheus146 reviews
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
Crossover - One Piece & Hellsing - Rated: M - English - Adventure/Fantasy - Chapters: 63 - Words: 222,765 - Reviews: 7 - Favs: 61 - Follows: 56 - Updated: 11/28 - Published: 9/2 - Alucard, Robin, J. Bonney, Mihawk
Straw Hats DXD2 by leonardo18anime reviews
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
Crossover - One Piece & High School DxD/ハイスクールD×D - Rated: M - English - Supernatural/Friendship - Chapters: 26 - Words: 84,413 - Reviews: 200 - Favs: 232 - Follows: 277 - Updated: 11/27 - Published: 9/4 - [Luffy, H. Akeno, Rias G.] H. Issei
The Fairy Pirates by leonardo18anime reviews
After the events of Skypiea, the Straw Hats come across a mysterious figure that directs them into an island with a weird symbol. There they meet a bunch of people that are from a new world. A world is full of magic, friendships, and guilds. Now while they are stuck in these worlds is up to Fairy Tail to sail together with the Straw-Hat crew in the hope to find their way home.
Crossover - One Piece & Fairy Tail - Rated: T - English - Adventure/Fantasy - Chapters: 27 - Words: 110,254 - Reviews: 305 - Favs: 429 - Follows: 461 - Updated: 11/27 - Published: 3/19/2020 - Luffy, Nami, Lucy H., Natsu D.
Straw Hats Vigilantes by leonardo18anime reviews
After sailing for some new waters around the New World, the Straw Hats pirates find themselves stuck in a new modern world full of technology and super power individuals all calling themselves heroes .Now while stuck they have to do some things not heroics to get back to their world.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Friendship/Adventure - Chapters: 75 - Words: 240,788 - Reviews: 831 - Favs: 1,109 - Follows: 1,169 - Updated: 11/27 - Published: 7/12/2019 - Luffy, unknown 1, Izuku M., 1-A Students
BURNING GRAVITY by The Cowardly Christian reviews
'Dipper vs Manliness' AU! Fighting a multi-bear? Forget that! Only a REAL man can stop a living lava flow obsessed with 'absolute justice' before he burns down all of Gravity Falls... I kid, but seriously Dipper, get your nearly naked butt down here, your friends and family are about to DIE...
Crossover - One Piece & Gravity Falls - Rated: T - English - Sci-Fi/Supernatural - Chapters: 1 - Words: 1,662 - Reviews: 2 - Favs: 2 - Follows: 4 - Published: 11/27 - Akainu/Sakazuki, Dipper P., Wendy, Pacifica N.
It Came From The Sky by Ralman23 reviews
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).
Crossover - Misc. Comics & One Piece - Rated: T - English - Adventure/Mystery - Chapters: 1 - Words: 2,217 - Reviews: 1 - Favs: 4 - Follows: 6 - Published: 11/26
Everyone Has Dreams by hopefulheart108 reviews
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.
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Chapters: 46 - Words: 224,385 - Reviews: 847 - Favs: 1,580 - Follows: 1,677 - Updated: 11/26 - Published: 12/4/2020 - Toshinori Y./All Might, Shouta A./Eraserhead, Hizashi Y./Present Mic, 1-A Students
Storm by Shmdha reviews
Izuku Midoriya finds himself in a sticky situation, attempting to fight off bullies that had bothered both him and others for years. Suddenly, after a brutal attack that had sent him flying, he was caught. He had arrived. How will Izuku Midoriyas life change when both the former Pirate King and the former Worlds Strongest Man trains him too be his strongest self?
Crossover - One Piece & My Hero Academia/僕のヒーローアカデミア - Rated: K - English - Adventure/Fantasy - Chapters: 5 - Words: 6,981 - Reviews: 9 - Favs: 45 - Follows: 51 - Updated: 11/25 - Published: 10/22 - Gol D. Roger, Whitebeard, 1-A Students, 1-B Students
Hit The Ground Running by Curiosity44 reviews
A fun little crackfic idea. OC New World gourmet hunter adventurer from One Piece with the Door Door fruit goes on a chaos inducing multiverse trip along with fellow followers of the great way of food.
Crossover - One Piece & Shokugeki no Soma/食戟のソーマ - Rated: M - English - Humor/Adventure - Chapters: 1 - Words: 4,618 - Reviews: 5 - Favs: 37 - Follows: 38 - Published: 11/25 - [OC, Rindou K.]
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