Saitama gets teleported to the world of Danmachi on his way to the supermarket. Armed with a system that lets him summon modern items, he opens a shop in Orario—because why not sell energy drinks to adventurers while casually being the strongest?

The world has been incinerated. The last remnants of humanity are on their last legs, unable to fight against those who wish to see them annihilated. To aid them, one man will cross even the boundary between worlds. A Paladin of Justice, a man whose mere presence comforts the masses and silences their cries. He is King, The Strongest Hero.

On an ordinary day, an inventory livestream descended upon the dimensional multiverse. Those who were selected all had a faint blue light screen appear before them. Immediately after, large characters appeared in front of them. 《 Dimensional World Inventory — Top 10 Famous Scenes 》  Scene 1: One person, one sword, guarding a city, battling seventy thousand...

If Saiki's social circle had to be summarized by Murphy's law, the chance of him attracting weirdos was proportional to the number of weirdos already by his side. And it's often said that the energy needed to handle bullshit is an order of magnitude greater than that required to produce it. As such, the new transfer student named Saitama was bound to be a disaster in waiting.

[Jinx (Arcane) x Garou (One Punch Man) crossover] In the depths of the Fissures, Jinx has managed to replicate Piltover's Hextech breakthrough using her stolen gemstone, and Silco's plans for it are already in motion. Unfortunately for him however, a commotion in The Lanes is brewing following the arrival of a pointy-haired outsider, who seems to have a way of catching Jinx's eye..

Saitama wanted to have a quiet day. Genos just showed up with what looks like a universal portal. How would he know that by even touching the portal he would be teleported? Now he's lost in a destroyed city... Oh yeah, there's also a girl with fox ears and a floating eye. Apparently she wants to beat him up.

Tras perderlo todo, Saitama y Garou llegan a un mundo totalmente nuevo, ellos quieren una vida tranquila pero parece que no se va a poder.

Sneak peek of what I’ve been doing

My firsy story in fanfction In this story Izuku didn't meet All Might after the slime villain incident, so he started training and achieved unbelievable results, in short it's a One Punch Deku story.

After a Mysterious-Cube falls from the sky, Class-1A finds themselves transported to a strange alternate-universe, and until they can return home to stop All-For-One and Shigaraki, they must train under the Class-S Heroes of this Other-World, and grow strong enough to win the Final-War that awaits them... (An Alternate Take on Lumpeistbark3's CYA: What Defines A Hero Series)

Saitama and gang's misadventures prior to NEO

A mysterious portal opens between two worlds, Natsu Dragneel with his partner, Happy entered an unknown world. However, when he crosses against a certain emerald green-haired woman, the two immediately faced off. But, will their rivalry will soon turn into something more?

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.

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.

Izuka Yagi was neglected and abused by her family and friends for being quirkless, and after finding out the truth of her father quirk she was met by a extremely powerful being that gave her power, now she will take revenge on this cruel society with her monster army that she created, she will be known as Psykos First story

All Bob Belcher wants to do is run his struggling burger shop with his wife and three children in peace.

saitama gets teleported to arcane universe

When the Eminence enters a world's of Heroes and Monsters (I Own Nothing)

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?

Izuku Midoriya is the younger brother of the famous Psykick Sisters Tatsumaki and Fubuki. Both women have powerful quirks that made them some of the most powerful heroines in all of Japan, while he started out having no quirk. However fate was waiting for him, as he works hard and soon meets up with the Number One Hero All Might, also there is a bald hero who appears from time.

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.

What would have happened if Saitama had gotten into Yggdrasil? And not just in canon, but before the main events. Player discord, developer despair, and the complete destruction of the world. and that's just a small part of it.

¿Maquinas?, para ellos solo soy un carroñero. ¿Androides?, para ellos solo soy alguien extraño. ¿Dioses?, para ellos solo soy un entretenimiento. Cuando una nave interestelar arribo a esta tierra desolada, mi existencia quedo expuesta a todos ellos. Después de eso intente pasar desapercibido, pero parece que aquellos con poder tenían algo que decir algo al respecto.