In a world where humans discriminate demons and those who take care of them, a Monster who looks like a demon from another world suddenly appeared in front of them and ever since his arrival, the world has suddenly entered a new era thanks to him.

A world where different people who reincarnated from different worlds where gathered to do one thing which was to go to school there, everyone went as smoothly as planned to the one that have sent them there, but one day its plans began to fall a part little by little when an Evil God sends two powerful beings in its world.

In a world where humans uses robots called Automata to help them fight in there war, in the final battles of the war, they where all surprised that a new threat has emerge and within a short amount of time, this threat has become a counter to there living weapons.

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.

A world where beings with powers known as Spirits exist, many thought that they are the Gods , but one day beings from a different world mysteriously appeared and showed them how the true God's are really like and so will there universe handle the existence of this beings known as Gods.

Fate had failed. They were not the ones supposed to save the world. Zoroark was acting a role well past the credits roll; the other, a clueless, unfathomably strong and dull man, crashed into scene ignorant of the stakes. With abilities that don't match their expected roles, what could happen?

As Saitama walked back to his apartment after defeating a monster with just one punch. He encounters a young girl lying on the streets. Rather than leave her there, he takes her back to his apartment and becomes his neighbor next door. How will she fare up with this life? Find out as she handles from Rampaging Monster to Eccentric Heroes.

Five years ago in the day Emperor Gaz died and on that same day, a white haired female wizard also too died, but something intervened and changed the timeline into the what we know now in this story and this white haired wizard is on a quest to finding out the cause of this.

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. 5 COMPLETED. Now available in AO3 under the pen-name OldWanderer.

this story revolve around the the Entirety of Class 1A being isekai'd into the one punch man world. story contain spoilers if your not caught up to at least chapter 318 of the MHA manga(essentially post season 6 stuff for you anime fans) so beware, beware, beware before proceeding forwards. the story will follow season two of one punch man all the way up to before the HA raid on MA

Ben Tennyson is in a world filled with superheros and it's up to him to save the day. Watch as he encounters psychic sisters, kung fu masters, cyborgs, and villains you wouldn't believe. Will Ben be able to rise to the occasion or will evil triumph.

Ryoga somehow gets lost in an entirely different dimension filled with superheroes and monsters! People who want him to join their dojos! And... Ranma-chan? Ranma 1/2 & One Punch Man Crossover. RyogaXRanko/Ranma-chan

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?

Removed from his Monster shell, he ends up in another world, in a school that is being governed by a council council of Five Swords . After seeing how similar they are to the Heroes of his world, since they turned there head away from those who are unheard, it is his job to conduct evil, since evil is unbiased, boy or girl, Hero or Monster, they'll all will share the same fate.

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"

This is my first fanfic. Feedback is appreciated! Thalia, Annabeth and Will head to Westover Hall, because Grover sent out a distress call. But for what? Inside the school, a powerful demigod resides. One named Percy Jackson. PJO and OPM crossover. This is my first story, so I want you guys to give me some feedback!

Two demigods and two Fists. When they all come together, they will change their destinies. Together. PJO x OPM fanfic. Feedback is appreciated. PM is open. Rewrite of One Punch, and a Hurricane. Pairing: Guess who

Goshikida Kaito's goal is to become a number 1 hero by becoming a Sentai. But to make it up top, he has to become stronger. Come and see Kaito and his team travel around the country to activate their Sentai Gears to become a better and stronger team.

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!"

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.

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.

Remnant, defined by unending struggle as Mankind battled the darkness that sought to return them to the dust. Of course, in even the direst circumstances, hope shines through. Hope that now threatens to kill everything as two god brothers engage in a silent battle for dominion. Also, Saitama is there. Rewritten.

Chris-Chan try’s to destroy the world but Sora and saitama try’s stop with help of Satoru Gojo, Yuno Itadori, Luffy,sanji, zoro, and Bravia and butt-head!

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!

Wounded, lost, but growing, the lone wolf awakens in a land not his own of which more colorful and vibrant life thrives, but also young and weak. Similar to home, but so different, Garou must wander the lands and find his purpose in a world where heroes were frail and weak, where the pain of the powerless was ignored by the many. And he will change that world with wrath and fury.