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.

Izuku Midoriya had no quirk and had no one outside of his mother. And aside from his smarts, he didn't have anything. All he ever carried with him was the weight of insults and depraving speeches everyone gave him for being him. So when the heroes yell at him for saving Kacchan's life, he escapes to the beach to find peace. Instead, he found a chance to make his dream come true.

this story revolve around the the Entirety of Class 1A being isekai'd into the one punch man world. story contain spoilers post season 6 stuff for you anime fans. the story goes up until after the psycho sisters arc so I guess spoilers for one punch season 3 as well(on like chapter 35 or so) alternative path on A03 to be uploaded later here.

After sacrificing himself in the final fight against GOD, Saitama disappears from his world. Picked from the space between dimensions, he is reborn in an unknown world called Remnant. He decides to do the only thing he knows how to do - to become this world's version of a Hero, a Huntsman. How will he change the fates of those in Remnant? Only time will tell...

His master was the strongest hero in the world, the man who killed gods in one punch. He was his disciple, so Angels shouldn't be a problem, right?

The Akatsuki, A band of the most dangerous group of individuals in the known world managing to gain funds and infamy due to their overwhelming power. When at last they gathered for their true goal, the Jutsu given to them by Madara goes horribly wrong, and they are transported to a world that is much more organized yet more wild.

Saitama en su pelea contra boros cae en un mundo desconocido para él. Al no encontrar historias de saitama en este mundo decidí hacer una a mi manera.

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!

The cosmic horror of the multiverse came knocking on Tommy’s door. Can he be the hero of the story, or will he once again fail and let the new world he was thrust in be devoured by the wrath of the Blood God.

Garou es transportado al mundo de The Boys, la serie de televisión, y se enfrentará a los "héroes" en su viaje para convertirse en un monstruo.

With the help of AI chatbot I have written a short demo of a fanfiction crossover. Where Saitama ends up in Witcher 3 world and using his gamer crafting system starts to craft 21 century technology wonders. You will see that in between scenes I tell AI(Artificial intelligence) what to write. With this free tool even I can write ok fanfiction. AI called ChatGTP

Most demigods would kill for the power to destroy monsters with one punch, but as Percy Jackson punches monsters into dust, all he can do is groan in annoyance. Until he meets one Thalia Grace. This is a tale of Heroes and Monsters. Rewrite of One Punch, and a Hurricane. Pairing: Undecided

Too fast. It happened too fast... One moment Eustass Kid was on his way into the next half of his journey into the new world, but all it took was the random appearance of a mystical cube and a supposed hero called Blast to tear apart his ambitions and leave him stranded in a world he knew nothing about. Also, who the heck is this caped baldy guy?

A brand new enemy, called the House of Evolution has arrived in Anima City and it's leader has big plans for the beastmen. Things get even weirder, when a strange immortal man with a connection to the House of Evolution shows up and ends up teaming up with Ogami to stop the threat.

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.

The champion might have perished in his world, but turned out, that's not the end. A new mission awaited, along with things to ponder about. This time, there were also companions he would stick with and satisfy his desire upon. Hmm... How rewarding.

Apesar de que saitama acaba con cada enemigo de un golpe... cómo podrá enfrentar una situación donde un grupo de mujeres lo colma de algo alienígena para el "Amor"

Saitama is pulled through a portal into the MHA Universe after being lured into a trap, which may or may not have involved Mexican food. Now, with the aid of teenage hero Deku, his fellow Class 1-A students, and other characters from both universes, Saitama tries to get home and eliminate villains old and new with the kind of power only One Punch Man has.

An autistic anime/ SCP mythos fan who is also a bundle of frayed nerves and poor social skills, finds himself in the SCP universe with the powers of Anime's strongest hero! Now he has to navigate his new life as one of the strongest SCPs while keeping his social anxiety in check OC SI x Female SCP 049

AU. Azuma was running to get to school on time when he was thirteen until he was suddenly attacked by a monster and a man died trying to save him, but Azuma awaken a legendary power of a powerful Saiyan that has turn him into a powerful warrior to become a hero helping the world while enjoying life as he can with his harem. Lemon. Azuma OP. Do NOT own either series. MAXIMUM POWER!

The child Shinji Ikari was once a normal child until the Zeo Gold Ranger arrive and gave him the Golden Power Staff to succeed him. Now a hero, he arrives at Tokyo-3 and must deal with Angels coming to Earth. "What do you mean you won't use the Eva?" "Sorry Doctor, but that is not my style. This is. Time for a Gold Rush!"

Issei Hyoudou finds himself at home... Or not? How will he make the heads and tails of his current situation? A companion story to NEO, which contains spoiler elements here and there. Read at your own risk; rating may change in future.

One Punch of justice raw english (warning this has really shit english(Trigger warning for all you reading nerds)) *it starts off at chp 17

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.

The word "Manalo" has had many different meanings throughout the years. In Alola, it means "Living Together" In Hoenn, it means "Sweet, like fresh water." In Unova, it is a kind and intelligent person who can make people feel safe and secure. In Galar, it means "Brackish and insipid." In Kanto, it means "To win, no matter what." Or: What if Pikachu was One Punch Man?