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Universe Falls » by MiniJen
What if, instead of Beach City, the Crystal Gems had settled down in a little backwoods town just west of weird? What if, upon coming to Gravity Falls for the summer, Dipper and Mabel were to befriend Steven and Connie? How would they fare against the combined threats of merciless Homeworld Gems and a certain triangular demon? (REWRITTEN!)Gravity Falls & Steven Universe, T, English, Adventure & Friendship, chapters: 11, words: 141k+, favs: 417, follows: 413, updated: 11h published: 9/4/2024, Dipper P., Mabel P., Steven U., Connie M.
107 The Marine Demon's War Diary » by Zweiil
"Live as long as possible, if you lose your life again, there will be no possible resurrection." This is the ordeal that Being X imposed on Tanya during her second life. And that's exactly what she will do without asking for help from the individual she considers an impostor, despite all his schemes.Youjo Senki: Saga of Tanya the Evil & One Piece, T, English, Adventure & Fantasy, chapters: 28, words: 144k+, favs: 366, follows: 468, updated: 1/11 published: 12/20/2022, Tanya, Visha
521 Mashle: Muscle and Fairies? » by mannegocio
What would happen if a boy born without magic was transported to a world filled with magic, but in a different way? A world with guilds and without prejudice for those without magic? Would it be a paradise or just some place slightly different from home? That's what Mash and his friends will have to figure out while asking themselves the question... "Do fairies have tails?"Fairy Tail & Mashle: Magic and Muscles/マッシュル, T, English, Humor & Fantasy, chapters: 57, words: 316k+, favs: 276, follows: 297, updated: 1/1 published: 7/13/2023
201 My Little Pony: Sora's Misadventures in Equestria » by xinbra
Sora is sent into the land of Equestria after his failure at the Mark of Mastery. Along the way, he will face all sorts of challenges coming towards Equestria. Credit goes to Codex92.Kingdom Hearts & My Little Pony, T, English, Romance & Humor, chapters: 244, words: 3226k+, favs: 230, follows: 243, updated: 12/31/2024 published: 3/24/2020, [Sora, Kairi] [Twilight Sparkle, Riku]
1k+ Sea of Souls » by Black' Victor Cachat
The Straw Hats failed and died, somehow passing over to another universe where they became 'Hollows.' Quickly bored of the endless wastes of Hueco Mundo, they try and figure out what to do next, much to the detriment of the peace and sanity of Aizen, Urahara, Soul Society, and the rest of the worlds.One Piece & Bleach, T, English, Adventure & Humor, chapters: 16, words: 218k+, favs: 3k+, follows: 4k+, updated: 12/30/2024 published: 8/23/2018, Strawhat Pirates, Ichigo K., S. Aizen
124 Mew's Most Excellent Adventure » by Vebulus
Mew get's pull through a dimensional portal one day, ending up on the same boat as Monkey D Luffy as he sets out on his adventure. The pair quickly bonding over their zest for life. The only result can be chaos. Skirts the border of crack.Pokémon & One Piece, T, English, Humor & Adventure, chapters: 20, words: 35k+, favs: 273, follows: 291, updated: 12/22/2024 published: 3/3/2023, Mew, Luffy
1k+ Straw Hats Vigilantes » by leonardo18anime
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.One Piece & My Hero Academia/僕のヒーローアカデミア, T, English, Friendship & Adventure, chapters: 107, words: 333k+, favs: 1k+, follows: 1k+, updated: 12/22/2024 published: 7/12/2019, Luffy, Strawhat Pirates, Izuku M., 1-A Students
1k+ Everyone Has Dreams » by hopefulheart108
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.One Piece & My Hero Academia/僕のヒーローアカデミア, T, English, chapters: 78, words: 391k+, favs: 2k+, follows: 2k+, updated: 12/8/2024 published: 12/4/2020, Toshinori Y./All Might, Shouta A./Eraserhead, Hizashi Y./Present Mic, 1-A Students
1k+ My Alien Academia » by The Incredible Muffin
Some worthy souls are chosen to carry the mantle of great heroes. Sometimes, this is destiny. Other times, it's all about being in the right universe, at the right time, chosen by the right watch.Ben 10 & My Hero Academia/僕のヒーローアカデミア, T, English, Adventure & Friendship, chapters: 64, words: 579k+, favs: 2k+, follows: 2k+, updated: 12/2/2024 published: 11/26/2019, Ben T., Izuku M.
1k+Sweet Cute Green Obsession » by guyNumber23
Love is a very complicated thing. It changes the way we see the world around us, and pushes us past our limits. But there is a thin line between burning love and crazy obsession, and Uraraka Ochako may have crossed it, and not only her. One by one, they all fall into the charms of a certain green-haired teen. Can he take on all that "love"? Currently under rework/hiatus.My Hero Academia/僕のヒーローアカデミア, M, English, Romance, chapters: 61, words: 754k+, favs: 3k+, follows: 3k+, updated: 11/29/2024 published: 7/15/2018, Izuku M., Himiko Toga, 1-A Students, 1-B Students
33 Straw Hat's Guardian » by ArmyBratz101
All his life Lambo has been seen as nothing but a tantrum throwing selfish weak crybaby, it's easy to see himself that way. Then, one day a Straw Hat comes flying into his life bringing chaos wherever he went, while dragging Lambo along with him. Lambo just can't help but go along with this Straw Hat, he even enjoys it. This is the story of how a boy grew into who he wanted to be.One Piece & Katekyo Hitman Reborn!, T, English, Adventure & Family, chapters: 42, words: 194k+, favs: 208, follows: 201, updated: 11/26/2024 published: 6/1/2022, Luffy, Zoro, Nami, Lambo
517 A Lost Hero's Fairytale » by Ultimate10
Ben Tennyson has awakened in the magical world of Earthland with amnesia, no memory outside of his name. Follow our lost hero as he travels across Fiore, making new friends and enemies, catching the interest of certain people, and rediscovering who he truly is. {AU} UP FOR ADOPTIONBen 10 & Fairy Tail, M, English, Fantasy & Romance, chapters: 12, words: 128k+, favs: 856, follows: 924, updated: 11/9/2024 published: 2/18/2023, [Ben T., Lucy H., Juvia L., Erza S.]
1k+ Galactic Shift Extend » by Seanzilla1988
A familiar Beastkin goes through a familiar abandoned Cauldron. However, she doesn't end up in another timeline, but Bellwood, home to a teen with a watch he wears on his arm that can change his shape to save the world from harm.Ben 10 & BlazBlue, T, English, chapters: 108, words: 1713k+, favs: 455, follows: 447, updated: 11/6/2024 published: 5/25/2019, [Ben T., Makoto]
181 To Rise » by The Samurai Prince
Ozai has gone missing. It's been two years since his disappearance, but now he's back with a foreign but frightening power. In a last-ditch effort, the Avatar and the gang are transported to a new world. Upon meeting some unusual people, they must learn from them on how to be stronger, to rise against a world full of Gods and Monsters. Ta-Zut-Suk-LuNa ships. Cover by Ash-can on DA.One Piece & Avatar: Last Airbender, T, English, Adventure & Drama, chapters: 21, words: 189k+, favs: 271, follows: 258, updated: 10/19/2024 published: 5/14/2016, Luffy, Nami, Aang, Zuko
120 Unwavering Will in the Sea » by dafid1
What if Frisk from Undertale went to the world of One Piece? See what happens as Frisk goes on a new adventure!One Piece & Undertale, K+, English, Adventure & Friendship, chapters: 92, words: 166k+, favs: 319, follows: 336, updated: 9/26/2024 published: 11/28/2020, Luffy, Frisk
301 Yellow Diamond's Favorite Citrine » by Grocamol
A certain Salary Man is thrown into his third life as a Gem, unfortunately for him 'Tanya', there is no upwards mobility in a caste system within the Diamond Empire.Steven Universe & Youjo Senki: Saga of Tanya the Evil, T, English, Sci-Fi, chapters: 57, words: 182k+, favs: 622, follows: 753, updated: 9/20/2024 published: 2/18/2023, Yellow Diamond, Yellow Pearl, Tanya
140 Heart Transplant » by Anzer'ke
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.One Piece & Cyberpunk 2077, T, English, Adventure & Romance, chapters: 13, words: 91k+, favs: 479, follows: 577, updated: 9/8/2024 published: 10/5/2022, Bepo, T. Law
117 My Pokemon Academia: Johto Adventures » by The 3rd dragneel
In a world of Heroes, there are creatures who only exist in a series of islands, away from Hero Society. However, Izuku Midoriya and his friends now have the chance to learn of these 'Pokemon.' Will they have what it takes to save the people of Johto from Team Rocket AND face the Pokemon League? Time to go Plus Ultra! Up to Gen 8. Cover image by ExcadrillComics.Pokémon & My Hero Academia/僕のヒーローアカデミア, T, English, Adventure & Fantasy, chapters: 7, words: 68k+, favs: 201, follows: 202, updated: 9/1/2024 published: 12/27/2019, Jimmy/Kenta, Rowlet/Mokuroh, Izuku M., Ochako U.
4k+ The Biju Biju Fruit » by Emma Iveli
AU crossover with One Piece, part of What if Naruto was raised by…? challenge. Monkey D. Luffy and his younger brother Fox D. Naruto travel the East Blue to find a crew so Luffy can become King of the Pirates and Naruto a Kage. Please R&RNaruto & One Piece, T, English, Humor & Adventure, chapters: 383, words: 609k+, favs: 2k+, follows: 2k+, updated: 8/25/2024 published: 8/25/2006, Naruto U., Luffy
745 Luffy is lost in the MHA world » by Andreiuhs
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. Discord- /hHnSPHms Editor:RENEGADElion0One Piece & My Hero Academia/僕のヒーローアカデミア, K+, English, Humor, chapters: 26, words: 226k+, favs: 1k+, follows: 1k+, updated: 8/11/2024 published: 11/22/2022, Luffy, Momo Y., 1-A Students