Saitama had lacked interest in everything for ages. Who'd imagine that peerless strength would be so boring? However, with a chance encounter from a cyborg, and a ton of crazy events later, Saitama found himself among the company of weird, but fun heroes. Yet somehow, the man was still single. Luckily, that would soon change for him. (*Rated M, for possible lemons at some point.*)

Every now and then, Fubuki curses her psychic powers. It's what caused the only recently closed rift in the relationship between her and her older sister, the Tornado of Terror. Hell, even if they have become closer, it's still rough. However, throughout her entire life, she had never hated her powers as much as she had now. She gained a whole new reason to hate them.

Rewrite of my first story. Bang and Tatsumaki get to watch Saitama fight Boros in a alternate timeline where Saitama never joined the hero association and never met genos.

What would happen if Saitama decided to not kill all the opponents he faced and instead tried talking them out of being the bad guys.

After a goddess realizes her brother is planning on returning and destroying the dimensions, she sends two of her avatars to stop him, she gives them help from the Hero Association, with the knowledge they have gained they will stop God. This is AU Universe and Harem Story.

When given the opportunity to acquire phenomenal Cosmic Power and the women of your dreams? Tis best to read the fine print and think things through. Lest you end up like a certain E-diot who let the wrong brain do the thinking... (au)

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.

Tatsumaki & Fubuki Koyama adopted at the age of 10 and 5 respectively, meet their neighbors. She didn't like the neighbor's brat! He was annoying, flirtatious! He constantly embarrasses her in school with his shenanigans! He's a hopeless romantic! She'd never date someone 3 years younger than her! His only redeeming quality is that he never gives up... SaiTatsu(Saitama X Tatsumaki)

Un matrimonio forzado.

A sudden encounter with a Dragon Level Threat in City B proves to be a TURNING POINT of his life. He failed to save someone with whom he shared many sweet memories. Devastated and haunted by her Memories, our Hero embarks on a journey to eliminate every single threat to humanity. Join him shedding his old hero name Caped Baldy and becoming The ONE PUNCH MAN.

Saitama was at war with "God" for centuries, however during One war he had messed up. and he accidentally Time Travel back to the past where he restarted everything, and now that he knows everything that's about to happen in the future he will change things. and since he also came back to the past maybe this time around he will do things differently, and maybe even fine love.

Just when Saitama was doled out enough points to become S Rank he wakes up in another world full of monsters, magic, and kings. How will he adjust in this new world?

"-Disculpa las molestias pero, ¿tendrías tiempo para escuchar hablar sobre el gran héroe Saitama? -Es la sexta... no, la octava vez que él toca la puerta tratando de convencerlo. -Soy el discípulo de Saitama, el primero y único. -Dice Genos. -Pero, comparado con él, no soy nada."

Mizuki is an active hero that tries to help all types of people in need. Anything is better with a partner so why not the Tornado of Terror herself Tatsumaki? This actually has a story and smut in later chapters. Futanari

King bought that new VRMMORPG everyone was waiting for! He played the game, and it didn't disappoint! Eh? Why's the HP, MP and ST bar all in real life? Why can he take out items from the game? Why can he cast spells? Most importantly... when did he get so strong? (REWRITE IN PROGRESS, READ LATEST UPDATE)

Madoka Akagi is an average high school student who resides in Z city. However she is isolated and ostracized in school because of her introverted nature and her idolizing the hero "Saitama the caped baldly". But how will Saitama feel when he eventually meets the girl who idolizes him so much? SaitamaxOC, Fluff/first crush, Genos and OC (friendship)

After a chance encounter, "Kingu" decides to set out on the path to become "strong". But even if he becomes "The Strongest Man on Earth," he still has a long way to go to overcome aspects of himself, beyond weakness. A path where he'll meet people who also need to defeat their weaker self and find true strength, even if they themselves don't know it. [Warning: Webcomic Spoilers].

After a terrible subway accident that killed a young girl, Fubuki gets depressed and gradually realizes that the heroic path may not be for her. Indeed, her horrific meaning of life is to become an empress who will subdue all humanity."But how?" You might ask. You will discover it by reading this story to the end. NOTE: This story includes the manga and webcomic.

A different Hero was present at the Vaccine Man incident. One who cared less for recognition and more for saving the people whose lives were being ruined. And she had a front row seat for Saitama's true power. Wishing to grow stronger and be able to help people like him, she sought him out. Saitama/Mizuki/Suiko/Fubuki/Tatsumaki. No Genos.

Saitama's world of casual gaming and his 9 to 5 job as a hero is shattered when the new Domanatrix of the Galaxy: Melos of Aravi destroys Earth as revenge for the death of her former master Lord Boros.

Ambos eran dos almas acostumbradas a la soledad, conscientes de que la confianza es algo difícil de encontrar. Envueltos en sus propósitos, uno busca la paz y el otro proteger a los desvalidos. Aunque buscan lo mismo, el camino de ambos era completamente distinto. Pero las posibilidades de ambos eran tan infinitas... como las estrellas en el cielo que veían al anochecer. GarouxOC

The Earth has failed the Tests and only one hero can save it. But he doesn't want to get involved anymore and the world is clueless. Except for certain people linked by destiny and charged with the final chance to save Earth from self-destruction. Too bad an oblivious hero won't see what's coming. WARNING: BL/YAOI Reverse harem. Why not?

Desde la batalla con Tatsumaki, Fubuki ha estado muy distante. Saitama no puede comprender qué hizo mal.

Both is destined to be against each other, see how both characters mend their relationship and defend themselves against a greater evil...

Saitama was expecting Godzilla. He was expecting fuzzy science, epic kaiju, and a lot of municipal damage. He was expecting shrimp chips and Pocky. He was expecting a lighthearted movie night with his roommate. He was not expecting Genos to cry his refuse-ducts dry on Saitama's seventh favorite hoodie.