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Z City Neighbors
by Streggae reviews
Long before the start of what would become the story known as One-Punch Man, someone ended up within the world and has gone on to have his own adventures. Now with the 'story' about to start he attempts to guide the main players from the sidelines until such a time as they might need his assisstance. Unfortunatley as with most plans things don't go accordingly for long.
One Punch Man/ワンパンマン - Rated: T - English - Friendship - Chapters: 13 - Words: 127,330 - Reviews: 67 - Favs: 296 - Follows: 332 - Updated: 9/12 - Published: 9/17/2021 - Saitama, Genos, OC
Pioneer: The Tech Hero
by Tuigen reviews
If I knew I was going to be reincarnated in the World of My Hero Academia with a power of my wish. I would have wished for something a lot more powerful than the ability to control technology.
My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Friendship - Chapters: 20 - Words: 163,613 - Reviews: 229 - Favs: 1,083 - Follows: 1,267 - Updated: 9/5 - Published: 11/14/2020 - OC, 1-A Students, Melissa S., David S.
The Ocean Is Calling
by CaptainPrivate reviews
When you're stuck in a world with Sea Kings, titanic storms, and a Navy that will LITERALLY do anything to kill you if you screw up, ya generally want to stick with the Straw Hat Pirates. Unfortunately, one question remains: Where the hell are they, and WHY AM I IN THE NEW WORLD? (Self-Insert)
One Piece - Rated: M - English - Adventure/Friendship - Chapters: 44 - Words: 273,680 - Reviews: 438 - Favs: 1,153 - Follows: 1,365 - Updated: 8/24 - Published: 5/24/2018 - OC, Whitebeard Pirates
Appearances Can Be Deceiving
by soulofdarkandlight reviews
A small ripple can lead to huge changes. So it's to be expected when Izuku's cousin moves in, things get crazier!
My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Friendship/Adventure - Chapters: 60 - Words: 168,270 - Reviews: 287 - Favs: 574 - Follows: 631 - Updated: 7/23 - Published: 11/9/2020 - Izuku M., OC, 1-A Students, Nezu/The Principal
Human Shaped Constellation
by jngsjngs reviews
Humans are not created equal. It isn't something we're taught so much as it is something we eventually realize: there are those who are born great, and there are those who are born. Empirically speaking, though, aren't we all made of the same star stuff?
My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Romance/Friendship - Chapters: 28 - Words: 227,009 - Reviews: 844 - Favs: 1,965 - Follows: 2,104 - Updated: 7/16 - Published: 8/26/2017 - [OC, Shouto T.] Izuku M., Katsuki B.
by HowlingAtTheCrescentMoon reviews
She once crushed on and wrote fanfiction involving him. He saved her because she was the only likable character in a manga he read. They hadn't anticipated knowing each other or becoming celebrities overnight. Fighting monsters for humanity's sake sure didn't help. - Reverse isekai. Has many original characters due to the setting. -
One Punch Man/ワンパンマン - Rated: T - English - Adventure - Chapters: 9 - Words: 44,782 - Reviews: 9 - Favs: 20 - Follows: 27 - Updated: 7/3 - Published: 12/22/2021 - Saitama, OC
by tmb1112 reviews
Death is a Quirk that can only kill. A perfect Quirk for a villain, but what if the boy who manifested that power just wanted to be a hero? Enrolling in U.A. might not be enough when all your Quirk can do is kill people. Follow Zach Sazaki from his first day in Class A on a story that spans years, as he learns to be a hero, finds out more about his Quirk, and too much to summarize!
My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Suspense/Hurt/Comfort - Chapters: 259 - Words: 4,479,292 - Reviews: 2695 - Favs: 1,763 - Follows: 1,716 - Updated: 6/26 - Published: 6/15/2018 - Izuku M., Toshinori Y./All Might, OC, 1-A Students
I Want To Be A Hero!
by Batty1377 reviews
This is the story of a new hero joining Saitama and Genos on their adventures. This story focuses on his experience of climbing his way through the ranks of the Hero Association alongside these two powerful heroes. Please feel free to criticize.(Major changes to the story don't begin until the end of season 1's events).
One Punch Man/ワンパンマン - Rated: T - English - Adventure/Humor - Chapters: 33 - Words: 354,007 - Reviews: 270 - Favs: 471 - Follows: 494 - Updated: 6/23 - Published: 3/10/2016 - Saitama, Genos, OC
by bonfireboy reviews
She didn't need saving — but the baldy saved her anyway.
One Punch Man/ワンパンマン - Rated: T - English - Hurt/Comfort/Friendship - Chapters: 16 - Words: 65,600 - Reviews: 301 - Favs: 793 - Follows: 996 - Updated: 3/23 - Published: 6/2/2021 - [Saitama, Tatsumaki]
Shinko's journey through life
by Old Style reviews
Apart from his white hair, Shinko was just a normal human boy...who had broken his limiter and gained power beyond comprehension. Now, on the run from a robotic foe and with friends of both races, Shinko will become a hero and rise through the ranks (one fight at a time of course).
One Punch Man/ワンパンマン - Rated: T - English - Adventure/Humor - Chapters: 31 - Words: 140,047 - Reviews: 31 - Favs: 67 - Follows: 67 - Updated: 11/1/2021 - Published: 5/29/2020 - Saitama, Genos, Metal Knight, OC
One Punch Man: Warmonger
by Makobro23 reviews
[Season 2 Out Now] Story centers around Warmonger, a new but Powerful Hero who is shrouded in Mystery, and now hes on the search to look for the origins of himself and his powers. Oh, while also bumping heads with some other heroes and some personifications of all things Chaos, but those are just minor inconveniences. (Considering Rewriting this.)
One Punch Man/ワンパンマン - Rated: T - English - Adventure/Mystery - Chapters: 15 - Words: 53,535 - Reviews: 4 - Favs: 24 - Follows: 24 - Updated: 10/27/2021 - Published: 3/20/2021 - Saitama, Tatsumaki, Fubuki, OC
Taking the part as an Esper
by TheSpiralHair reviews
Self-insert story. A grown man sent to a world overrun by god-like beings with only an ability he never thought obtaining and an appearance he never thought becoming. Can he change something in this dangerous world? Especially with the bald protagonist present?
One Punch Man/ワンパンマン - Rated: T - English - Humor/Supernatural - Chapters: 8 - Words: 42,866 - Reviews: 171 - Favs: 556 - Follows: 662 - Updated: 9/2/2021 - Published: 9/3/2020
Fastest Hero Academia
by tarious123 reviews
Heroes are to be strong, to be able to beat down any villains in their path. Or they have to fierce, to beat fear into any villains they meet. They also have to be tough, to stand tall to show hope to the world. There have many heroes that fit that part, but there is one thing heroes need to be that people has overlooked. They have to FAST! SI-Reincarnated OC.
My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Romance/Friendship - Chapters: 34 - Words: 149,911 - Reviews: 122 - Favs: 597 - Follows: 635 - Updated: 6/19/2021 - Published: 5/25/2018 - OC
The Misadventures of Nora
by xXxDreamscapexXx reviews
Nora had thought that her life was crazy before she died. She quickly changes her mind on that when she finds herself thrown into a world of Devil Fruits and pirates.
One Piece - Rated: K - English - Humor/Friendship - Chapters: 15 - Words: 95,877 - Reviews: 168 - Favs: 567 - Follows: 716 - Updated: 6/14/2021 - Published: 2/18/2017 - Luffy, Zoro, Ace, OC
One Punch Man: A Devil's Need for Speed
by Vgn Golley reviews
After 5 years of fighting terrorists and monsters, Riku Fujikawa thought that he had seen it all, but after meeting a young cyborg and a man who could literally kill every enemy he faces with one punch, his life got a whole lot more complicated. Luckily for Riku, he is more than fast enough to catch up. Rated M for gore, violence, blood, and future lemons.
One Punch Man/ワンパンマン - Rated: M - English - Adventure/Humor - Chapters: 6 - Words: 100,880 - Reviews: 28 - Favs: 156 - Follows: 183 - Updated: 6/8/2021 - Published: 7/3/2020 - [OC, Tatsumaki] Saitama, Genos
by Foresight44 reviews
After meeting someone that changed his outlook on life, a man who thought there was nowhere to go decides to become a hero. This leads to fighting monsters, meeting new allies and dealing with a dangerous new threat to the entire world.
One Punch Man/ワンパンマン - Rated: T - English - Adventure/Humor - Chapters: 34 - Words: 126,027 - Reviews: 9 - Favs: 31 - Follows: 37 - Updated: 4/5/2021 - Published: 4/30/2020 - OC - Complete
King Takes God Checkmate?
by AcausalTrilby reviews
Okay. A Self-Insert into the most overestimated character in One Punch Man. Okay the Gamer power, one of the most overutilized powers in fanfiction. But will it be enough to fulfill my dream and challenge the god of this world.
One Punch Man/ワンパンマン - Rated: T - English - Chapters: 8 - Words: 92,832 - Reviews: 396 - Favs: 2,023 - Follows: 2,314 - Updated: 3/18/2021 - Published: 1/1/2020 - King
Unbound (Stealing the Thunder)
by cloud9stories reviews
SI-OC in One Piece's world. The standard pack, adventure, loot, haki and whatnot. Don't want to spoil the MC actions, so I won't tell you anything more. Haki and superpowers will make sense, and I'll try to explain properly the workings of devil fruits in a system that is organic and more or less logical without going against what is explained by Oda, possible Spoilers. Extreme Au.
One Piece - Rated: M - English - Adventure - Chapters: 19 - Words: 96,295 - Reviews: 715 - Favs: 1,856 - Follows: 2,116 - Updated: 11/3/2020 - Published: 5/13/2020 - Robin, Brook, OC, Franky
by Kamui Senketsu reviews
She wasn't some naive hero in training. She wasn't wearing a dream too big for her, nor did she have a death wish. But she would have her justice. Being a hero in training was a means to an end, and anyone in her way could burn. OC Centric. Warning: Dark themes, blood, violence, cursing etc. Previously named Silver Sirius. This is an AU. Details and events WILL change.
My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Friendship/Hurt/Comfort - Chapters: 24 - Words: 150,502 - Reviews: 237 - Favs: 347 - Follows: 439 - Updated: 9/26/2020 - Published: 10/13/2018 - Ochako U., OC, Denki K., 1-A Students
Race to the Top
by Wyolin reviews
Saitama's life is significantly changed by a split second decision, bringing to light a boy who has the power to challenge the best.
One Punch Man/ワンパンマン - Rated: T - English - Supernatural/Humor - Chapters: 21 - Words: 60,186 - Reviews: 48 - Favs: 127 - Follows: 117 - Updated: 6/5/2020 - Published: 9/2/2019 - Saitama, Genos, OC - Complete
A Few More Levels
by Xielle Sky reviews
What if our favorite bald hero happens to have a little sister? That's all I'm asking. "Stupid bald brother." "Shortie little sister." They are ordinary siblings who lives in a not so ordinary place, where monsters and villains appear most of the time. Let's see how the siblings survive their quite chaotic life. DISCONTINUED UNDER REWRITING PROCESS
One Punch Man/ワンパンマン - Rated: T - English - Humor - Chapters: 13 - Words: 60,545 - Reviews: 57 - Favs: 275 - Follows: 319 - Updated: 3/20/2020 - Published: 12/31/2017 - Saitama, Genos, OC
by toraffles reviews
Even as she stormed through the world like an atomic bomb, Luffy knew she couldn't protect everybody with these two small hands. Of course she knew that. But she could try. With these memories of that other world, by god would she try. Fem!Luffy.
One Piece - Rated: T - English - Adventure/Friendship - Chapters: 20 - Words: 89,366 - Reviews: 1038 - Favs: 3,416 - Follows: 3,604 - Updated: 3/9/2020 - Published: 9/29/2014 - Luffy, T. Law, Ace, unknown 1
Attack on Titan: The Gray (Rewrite)
by jacques0 reviews
After the Fall of Wall Maria, Sarah's eyes are opened to the cruel world she was born in, a world were the strong pray on the weak and if you want to survive...you best be ready to stand and fight.
Attack on Titan/進撃の巨人 - Rated: M - English - Drama - Chapters: 69 - Words: 262,965 - Reviews: 189 - Favs: 242 - Follows: 268 - Updated: 1/17/2020 - Published: 5/17/2018 - Mikasa A., OC
On top of the World Romance Dawn
by Mjus reviews
My shot at a gender bender One Piece story! After being found half dead on an island Monkey D. Ruffy set out to become the pirate king. The first thing she needs is a crew. Fem!Luffy.
One Piece - Rated: M - English - Adventure/Humor - Chapters: 48 - Words: 259,987 - Reviews: 200 - Favs: 623 - Follows: 604 - Updated: 11/1/2019 - Published: 1/1/2013 - Luffy, Zoro - Complete
by Catthhay reviews
I died a stupid death. But I was reborn into a world with no boundaries, where Garp the Hero is my grandfather and my future can be amazing. Until I find that whatever reincarnated me had second guessed that choice, and I now have to battle for every second of my life against a terminal illness. I will not die pitifully again. I will live. Rated M to be safe. Eventual Zoro/OC.
One Piece - Rated: M - English - Adventure/Friendship - Chapters: 24 - Words: 190,410 - Reviews: 320 - Favs: 828 - Follows: 927 - Updated: 10/25/2019 - Published: 6/11/2018 - [OC, Zoro] Ace, unknown 1
My Other Self!
by TheLivingMyth reviews
Starting over is something you'd rather avoid doing. The amount of effort put into progress, and progress being taken away is one of annoyance. Losing his crew, Luffy begins anew. But with a girl of similar resemblance to him with an ambition to become Pirate Queen, he faces his renewed journey. AU Time Travel Fic. (Currently under rewrite)
One Piece - Rated: T - English - Friendship/Humor - Chapters: 14 - Words: 86,249 - Reviews: 535 - Favs: 1,727 - Follows: 1,814 - Updated: 10/21/2019 - Published: 12/29/2015 - Luffy
The This Bites! Omake Collection
by CV12Hornet reviews
The Cross-Brain tells the main story of Jeremiah Cross and Soundbite and their travels with the Straw Hat Pirates. Here, however, is what the talented fans of This Bites! have created for "what else"s, "what if"s, and "what the ****"s.
One Piece - Rated: T - English - Chapters: 112 - Words: 224,917 - Reviews: 1288 - Favs: 823 - Follows: 778 - Updated: 9/2/2019 - Published: 11/6/2016
RISE: Heroes of Tomorrow REVAMPED
by SpaceRyder69 reviews
A young boy joins his friends as they begin the long journey to becoming real heroes! Kaiji Adachi was passed great power by his mother and father. Now must learn to control that power, find his limits and go beyond them if he wants any hope of defeating the rising tide of darkness. / On Hiatus!
My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Friendship/Humor - Chapters: 68 - Words: 249,203 - Reviews: 157 - Favs: 302 - Follows: 324 - Updated: 3/6/2019 - Published: 1/23/2018 - OC, Eddy S., Mina A.
by KlonoaDreams reviews
Life in the world of One Piece…isn't so great as one would think. Of course, I'm in no position to talk, considering how lucky I've been. Though, if there's one thing I've learned the hard way since my first life, it's that luck eventually runs out. SI OC [Cover Art: kurobook]
One Piece - Rated: T - English - Friendship/Adventure - Chapters: 10 - Words: 60,275 - Reviews: 331 - Favs: 1,552 - Follows: 1,744 - Updated: 10/20/2018 - Published: 5/29/2015 - Shanks, OC
by Montezumax reviews
Marty is a totally normal girl who bonks her head on a tree and ends up in the world of One Piece, yes it's one of those stories. (!Discontinued!)
One Piece - Rated: T - English - Adventure/Romance - Chapters: 39 - Words: 101,813 - Reviews: 650 - Favs: 478 - Follows: 474 - Updated: 10/8/2018 - Published: 9/29/2012 - Marco, Ace
by CherryDrug reviews
She's just a woman who's gone through her entire life with a plan to guide her, but when she suddenly finds herself as the main character of a series where unpredictability is the norm, she gladly rips apart the one thing that has suffocated her for years and thinks, "To hell with it." SI!OC-as-Fem!Luffy and Different!DF. Ratings may change over time.
One Piece - Rated: T - English - Adventure/Humor - Chapters: 13 - Words: 111,583 - Reviews: 612 - Favs: 2,421 - Follows: 2,761 - Updated: 9/29/2018 - Published: 1/1/2017 - Luffy, OC
The Bald and The Esper
by silenthero27 reviews
A rehash/retelling of the anime where a certain esper took the place of a certain cyborg we all know and love. Will the unlikely duo be able to co-exist like the two we're so accustomed to? Will it change them for the better, or worse? (Will have some changes and will have strong parallels with the anime. Image by gintuk from DeviantArt. Proofread by sumodog) SEASON 1 COMPLETE.
One Punch Man/ワンパンマン - Rated: K+ - English - Friendship/Hurt/Comfort - Chapters: 17 - Words: 80,787 - Reviews: 525 - Favs: 2,100 - Follows: 2,051 - Updated: 10/10/2017 - Published: 1/10/2016 - Saitama, Tatsumaki - Complete
One Piece, Two Piece, Red Piece, Blue Piece
by Bluejay Blaze reviews
I was four years old when I fell through a doorway between worlds. Luckily for me, I didn't end up alone. Three brothers and a gang of mountain bandits were kind enough to take me in. My older brother's gonna be king of the pirates, and he's bringing me and an ever expanding family along for the ride. Crazy? You bet. Awesome? Most definitely. Allons-y!
One Piece - Rated: T - English - Family/Humor - Chapters: 31 - Words: 291,561 - Reviews: 307 - Favs: 742 - Follows: 737 - Updated: 8/11/2017 - Published: 2/5/2016 - Luffy, Ace, Sabo, unknown 1
More Than S-Class
by Btr100 reviews
After single-handedly eliminating the Subterranean threat, Saitama might actually get his wishes of having his deeds recognized. But unbeknownst to him, he'll be getting help from the most unexpected person...
One Punch Man/ワンパンマン - Rated: T - English - Chapters: 4 - Words: 44,724 - Reviews: 173 - Favs: 994 - Follows: 1,034 - Updated: 12/21/2016 - Published: 11/6/2016
Of Epic Proportions
by authorinprogress97 reviews
And I thought life was hard enough the first time. OC self-insert (because I'm that shameless)
Attack on Titan/進撃の巨人 - Rated: T - English - Friendship/Adventure - Chapters: 23 - Words: 146,926 - Reviews: 393 - Favs: 1,163 - Follows: 1,216 - Updated: 1/8/2015 - Published: 3/5/2014 - OC, Armin A., Eren Y., Mikasa A.
Gateways: The Red Fate
by xdreamernumbuhfour reviews
Fate rarely calls upon us at a moment of our choosing. Kim discovers this when she's torn away from all she knows and thrust into a world where danger and death is an every day occurance. Now she has to find away back to her family and there's only one way she can do that. Travel the Grandline in search of some answers.
One Piece - Rated: T - English - Adventure/Friendship - Chapters: 41 - Words: 102,187 - Reviews: 588 - Favs: 623 - Follows: 456 - Updated: 9/28/2013 - Published: 6/9/2012 - unknown 1 - Complete
by Rebelleader1011 reviews
Sorry, another one of those fall-into-one-piece-stories. My OC, Rose falls into the One Piece world and of course meets the Straw-hat pirates. She has three days to spend with them. Not to say that these three days are uneventful. Spoilers for OP: Z movie. You know the drill, Review and enjoy, and limited flames.
One Piece - Rated: K - English - Friendship/Adventure - Chapters: 16 - Words: 37,713 - Reviews: 73 - Favs: 148 - Follows: 78 - Updated: 8/26/2013 - Published: 8/6/2013 - Luffy, Zoro, unknown 1 - Complete
by InsaneScriptist reviews
Reincarnated as the older foster sister to Portgas D. Ace and Monkey D. Luffy you'd expect her to be a famous pirate. You'd be wrong. She's not a marine either. Instead she's in the murky middle as the world's most infamous bounty hunter. Now what's a reincarnated witch to do in a world where fruits give powers? Live. HP/? Fem!Harry On HIATUS. Pending Re-write.
Crossover - Harry Potter & One Piece - Rated: M - English - Adventure/Humor - Chapters: 27 - Words: 199,208 - Reviews: 308 - Favs: 1,692 - Follows: 1,497 - Updated: 5/14/2013 - Published: 5/14/2012 - Harry P., Shanks
The One Piece Attempt
by Sofi Bleuphyre reviews
THE REWRITE IS OUT! Look for TOPA: To Run and Fight. I'll keep this up for a little longer.
One Piece - Rated: T - English - Humor - Chapters: 89 - Words: 193,479 - Reviews: 702 - Favs: 334 - Follows: 234 - Updated: 7/17/2011 - Published: 2/29/2008 - Zoro
A Beautiful Thing
by Taisi reviews
His smile never faltered. "He promised. He promised he'd come back for me." ZoLu
One Piece - Rated: T - English - Romance/Friendship - Chapters: 1 - Words: 2,395 - Reviews: 38 - Favs: 368 - Follows: 62 - Published: 12/30/2008 - Luffy, Zoro - Complete