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Grimm Slayer Fist! by
EmmaCruzader
RWBY/OPM SlightCrossover in which jaune arc dies.
Crossover - RWBY & One Punch Man/ワンパンマン - Rated: T - English - Adventure/Mystery - Chapters: 1 - Words: 2,726 - Favs: 3 - Follows: 2 - Published: 4h
Mechanical Reincarnation by
Splazhyysplazh
In a world where
Crossover - My Hero Academia/僕のヒーローアカデミア & One Punch Man/ワンパンマン - Rated: M - English - Humor/Supernatural - Chapters: 1 - Words: 1,704 - Favs: 1 - Follows: 1 - Published: 11h - Izuku M., Fubuki, Tatsumaki, All For One
Reborn With A Monster Huntring System by
HellGoltWriter reviews
Aomori, who has a monster-fighting system, came to the world of One Punch Man and gained the ability to enter various dungeons. Therefore, "Founder of the Hero Association", "NO.1 Hero", "The Most Handsome Man in the World", "Sin Buster", "God of Pure Love", "God Killer", "Savior", "Lord of All Worlds" " and other titles fell on him one after another. One Punch Man's the main world
Crossover - One Punch Man/ワンパンマン & Pokémon - Rated: K+ - English - Adventure/Humor - Chapters: 17 - Words: 23,138 - Reviews: 1 - Favs: 4 - Follows: 6 - Updated: 20h - Published: 9/28
Garou the Monster in MHA by
2939 reviews
This is the story of what if Garou was born into the My Hero Academia world. Who else from One Punch Man appear in this story and how will it change the MHA world. (This is my first Fanfic, so it might be good. I am open to any criticism that you may have as it will help me for future fanfics. I will try to post during the week and take a break during the weekend.)
Crossover - One Punch Man/ワンパンマン & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Humor/Adventure - Chapters: 13 - Words: 33,477 - Reviews: 17 - Favs: 24 - Follows: 26 - Updated: 10/6 - Published: 9/18 - Bang, Garou, 1-A Students, Kurogiri
My Hero FighterZ by
Renegade100 reviews
What if Goku was born in Universe 6? What if Earth wasn't destroyed? Join Kakarot as he travels to Earth, make new friends and rivals, and becomes a hero. How will this change the universe? Short summary but the best I got. Rated T for now my change it over time. Pairings undecided
Crossover - One Punch Man/ワンパンマン & Dragon Ball Super - Rated: T - English - Adventure/Fantasy - Chapters: 3 - Words: 2,430 - Reviews: 4 - Favs: 8 - Follows: 7 - Updated: 10/4 - Published: 2/15/2021 - Son Goku
One-Punch DxD: Rise of The Furious Fist by
ahsoei reviews
Saitama and gang's misadventures prior to NEO
Crossover - High School DxD/ハイスクールD×D & One Punch Man/ワンパンマン - Rated: M - English - Adventure - Chapters: 2 - Words: 19,413 - Reviews: 17 - Favs: 53 - Follows: 60 - Updated: 10/4 - Published: 8/28
Little Mewschief by
The Crescent Rider reviews
After Mew, the Mythical but playful Pokemon, finds a dimensional tear in the Pokemon World, it attempts to seal said tear on its own. The result had not only sealed the tear, but it also dragged Mew to another world void of Pokemon but filled with Monstrous Beings born or made, and Heroes that fight such threats. What does Mew do in such a world? Explore it all, one day at a time.
Crossover - Pokémon & One Punch Man/ワンパンマン - Rated: T - English - Chapters: 6 - Words: 23,496 - Reviews: 45 - Favs: 67 - Follows: 81 - Updated: 10/3 - Published: 9/21 - Mew, Saitama
Ainz is NOT 'God', But they seem to think so by
LockBox05 reviews
This is basically ainz in opm, bunch of misunderstandings and a few deaths lead them to believe ainz is the legendary big bad that has awakened. But out of them all, the hardest battle for him will be up against the strongest and luckiest man alive. Who will prevail, King's Luck or Ainz's "intellect".
Crossover - Overlord/オーバーロード & One Punch Man/ワンパンマン - Rated: M - English - Adventure/Humor - Chapters: 6 - Words: 31,640 - Reviews: 54 - Favs: 107 - Follows: 150 - Updated: 10/1 - Published: 9/2 - Ainz, Blast, King, Saitama
CYA: What Defines A Hero: Bad Path by
lumpeistbark3 reviews
this story revolves around the Entirety of Class 1A being isekai'd into the one-punch man world. The story contains light spoilers post-season 6. The story goes up until right after the psycho sister's arc so I guess spoilers for one punch season 3 as well. the alternative path on A03 is to be uploaded later here.
Crossover - One Punch Man/ワンパンマン & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Romance - Chapters: 41 - Words: 1,011,803 - Reviews: 112 - Favs: 244 - Follows: 250 - Updated: 9/30 - Published: 8/17/2022
One-Punch DxD: NEO by
ahsoei reviews
Stranded in an unknown world, but not alone, Saitama and his friends lived their lives in a strange world. They found happiness and peace, but an old evil returned, birthing new evils and challenges for the next generation. Co-written with i4md347h, the author of The Hunter Amongst Villains. Current Progress: VOL.6: COMPLETED. Now available in AO3 under the pen-name OldWanderer.
Crossover - High School DxD/ハイスクールD×D & One Punch Man/ワンパンマン - Rated: M - English - Adventure/Humor - Chapters: 91 - Words: 1,064,398 - Reviews: 1545 - Favs: 1,302 - Follows: 1,416 - Updated: 9/19 - Published: 4/30/2020
Saitama and others heroes by
leonardo18anime reviews
The Justice League are happy that the world has now tons of heroes to protect the world, but now bigger threats are coming and danger is at every corner. However, one certain hero gets the champions of Earth by surprise, a bald guy with a cape which might have powers that could rival Superman. Can Saitama and his friends get along with the heroes from the past?
Crossover - DC Superheroes & One Punch Man/ワンパンマン - Rated: T - English - Adventure/Humor - Chapters: 9 - Words: 19,950 - Reviews: 152 - Favs: 297 - Follows: 365 - Updated: 9/17 - Published: 8/14/2022 - B. Wayne/Batman, C. Kent/Kal-El/Superman, Saitama, Genos
Of Heroes and Monsters: Delving into the Darkness by
spectre646 reviews
The inevitable battle between gods and Titans comes a year closer, and an army is searching for a way into Camp Half-Blood's borders. With Percy gone, Thalia and her friends delve into the darkness of the Labyrinth. Rated M for safety. Part Two of the Of Heroes and Monsters series.
Crossover - Percy Jackson and the Olympians & One Punch Man/ワンパンマン - Rated: M - English - Chapters: 1 - Words: 2,451 - Reviews: 2 - Favs: 3 - Follows: 4 - Published: 9/17 - Bianca A., Percy J., Thalia G.
The ONE True Hero by
J Vision Lil reviews
What if Inko believed in Izuku so he trained and dedicated himself to being a hero? What if he broke his limiter and was rejected from the hero course for being quirkless? This is a story of how Izuku Midoriya became a vigilante greater than any hero. The quirkless Deku who became the One True Hero. OPM deku, martial arts deku, Izumomo, confident deku, smart deku, vigilante deku.
Crossover - One Punch Man/ワンパンマン & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Chapters: 37 - Words: 494,192 - Reviews: 1105 - Favs: 2,871 - Follows: 3,178 - Updated: 9/13 - Published: 5/20/2021 - Izuku M., Momo Y., OC, Rumi U./Mirko
Estallido Emocional by
Arshelo reviews
Tatsumaki siempre fue agena a las personas y a sus propias emociones, todo cambió un día, cuando conoció a alguien que cambió su forma de ver el mundo, que la ayudó a confiar en los demás, que la inspiró a volverse un héroe, y aunque habían pasado ya varios años, ella aún recordaba a aquel chico con cabello de hongo.
Crossover - One Punch Man/ワンパンマン & Mob Psycho 100/モブサイコ100 - Rated: T - Spanish - Romance/Drama - Chapters: 13 - Words: 195,057 - Reviews: 20 - Favs: 64 - Follows: 73 - Updated: 8/30 - Published: 4/15/2019 - Saitama, Tatsumaki, Fubuki, Shigeo Kageyama/Mob
Believe In Yourself, But Don't Fall Into An Obsession by
maczerone reviews
Magic on the wane, technological advances growing at exponential levels, and two factions, too proud to put aside their differences... future doesn't seem to shine... but that's not the point! This is the history of a man and his fight against his biggest enemy, his own strength, and a young girl who struggles to achieve a dream beyond her possibilities. Who decides limits?
Crossover - Little Witch Academia/リトル ウィッチ アカデミア & One Punch Man/ワンパンマン - Rated: T - English - Adventure/Fantasy - Chapters: 1 - Words: 10,434 - Reviews: 4 - Favs: 10 - Follows: 10 - Published: 8/30 - Akko K., Shiny Chariot/Ursula C., Saitama, Genos
Helluva hunter Boss by
parzival2.0 reviews
List of new Episodes between canon and chances
Crossover - One Punch Man/ワンパンマン & Helluva Boss - Rated: M - English - Supernatural/Drama - Chapters: 13 - Words: 7,272 - Reviews: 18 - Favs: 4 - Follows: 2 - Updated: 8/29 - Published: 7/6
The Strongest Hero by
OmniBIBUltraInstinctGodzilla reviews
Saitama just killed Elder Centipede with a Serious Punch when suddenly, his setting changes to an unidentified, unknown place where the concept of space and time is non-existent, and comes face to face with an entity that looks like a physical manifestation of a Kaleidoscopic Universe with Stars adorning its celestial body.
Crossover - One Punch Man/ワンパンマン & Boys - Rated: T - English - Humor/Adventure - Chapters: 1 - Words: 6,526 - Reviews: 11 - Favs: 10 - Follows: 9 - Published: 8/24 - Saitama, Billy Butcher, Homelander/John, Stormfront - Complete
Gohan del Futuro y Raditz en One Punch Man by
lokillo764 reviews
2 Sayajins opuestos son salvados de sus trágicos destinos por 2 seres misteriosos, estos les darán la posibilidad de vivir en un mundo lejano, que tipo de amenazas enfrentaran? que tipo de futuro les deparara? Podrán ambos Sayajins arreglar sus diferencias del pasado y trabajar en equipo.
Crossover - Dragon Ball Z & One Punch Man/ワンパンマン - Rated: T - Spanish - Adventure/Suspense - Chapters: 1 - Words: 4,717 - Reviews: 2 - Favs: 1 - Follows: 1 - Published: 8/23 - Raditz, M. Gohan, Saitama, Genos
Flash Slash by
Extinctionteam75 reviews
Flashy Flash has been having doubts about his speed. But when he breaks time and is forced back through it, he is given the task of protecting Tanjiro and aiding in killing Muzan. Go through the story as Flash rips through the DS verse with new powerful foes to back up the demons.
Crossover - One Punch Man/ワンパンマン & Demon Slayer: Kimetsu No Yaiba - Rated: M - English - Humor/Hurt/Comfort - Chapters: 4 - Words: 17,045 - Reviews: 9 - Favs: 30 - Follows: 45 - Updated: 8/20 - Published: 8/23/2022 - Flashy Flash, OC
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: 54,304 - Reviews: 33 - Favs: 167 - Follows: 215 - Updated: 8/20 - Published: 1/6 - OC
UA's Martial Arts teacher by
kidblack144 reviews
Garou find himself tossed in the MHA universe, in other to live without being branded a villain, he strikes a deal with this universe's hero association to teach at a school what could go wrong
Crossover - One Punch Man/ワンパンマン & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Adventure - Chapters: 4 - Words: 7,971 - Reviews: 27 - Favs: 87 - Follows: 119 - Updated: 8/19 - Published: 4/4
God destroyer by
pokegoer2 reviews
what if Boros gave Saitama all his knowledge? What if Saitama took after Boros and chose to conquer the multiverse? and why is the portal blue?
Crossover - One Punch Man/ワンパンマン & BNA ビー エヌ エー - Rated: K - English - Sci-Fi/Supernatural - Chapters: 22 - Words: 18,481 - Reviews: 6 - Favs: 10 - Follows: 10 - Updated: 8/19 - Published: 3/1 - Saitama, Tatsumaki, Boros, Shirou Ogami
One Punch-Gamer: UHA Chronicles by
SaintInfernalNeos reviews
Between a great crisis and the next, what does the United Heroes Association do? Why, having fun and dealing with normal teenage problems, of course! At least, as normal as a group as bizarre as theirs can be, but hey, at least they try, right? [Takes place between OPG 1 and OPG 2. Sidestories-collection]
Crossover - Sword Art Online/ソードアート・オンライン & One Punch Man/ワンパンマン - Rated: M - English - Humor/Romance - Chapters: 1 - Words: 8,988 - Reviews: 32 - Favs: 190 - Follows: 192 - Updated: 8/8 - Published: 1/21/2018 - [Kirito/Kazuto K., Asuna/Asuna Y., Leafa/Suguha K., Sinon/Shino A.]
Nephew of the One Punch Man by
Shadow Joestar reviews
Lloyd Belladonna has moved in to live with his Uncle Saitama, the stronget hero in the world that nobody knows, with the purpose of becoming a hero just like his uncle, and he has the super strength to back him up to go against dangerous monsters and some lovely ladies falling for his innocent-heroic spirit while his uncle saves the day with ONE PUNCH! Triple Crossover. Harem.
Crossover - Anime X-overs & One Punch Man/ワンパンマン - Rated: M - English - Supernatural/Romance - Chapters: 3 - Words: 9,040 - Reviews: 21 - Favs: 93 - Follows: 105 - Updated: 8/6 - Published: 7/14 - [Tatsumaki, Fubuki, Psykos] Saitama
Just a Hero of Justice by
Skrubchap reviews
A different hero was born in that one fateful fire. Between the Magi, Monsters, and other crazy magical phenomenon, can a Hero of Justice (for a hobby) prevail against them all?
Crossover - Fate/stay night & One Punch Man/ワンパンマン - Rated: T - English - Chapters: 14 - Words: 84,761 - Reviews: 452 - Favs: 827 - Follows: 1,095 - Updated: 8/3 - Published: 11/7/2021 - Saitama
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