Originally meant for King, a monster lackey lands a fatal blow on the Tornado of Terror. She survives but a change has taken place in her that she cannot hope to control, a change she will try with all her power to hide. Who could accept a top hero being a monster?

It was all supposed to go so smoothly. Genos goes in, charms the pants off of the target and gets the information that they needed, Saitama offers backup and support. Unfortunately, things can never go so easily for Saitama. They underestimated their first target and then their second target, and then the third SLASH Amai/Saitama, Flash/Saitama, Zombieman/Saitama, Genos/Saitama

This is the story of an otaku who one day woke up as the One Punch Man, Saitama. But how is he gonna live now that he's in a different world, filled with heroes and monsters. He's just an otaku ! One thing is sure, this world will change now that a calm and cold man replaced the best hero. *********** Warning: This story start a few months before canon. Some characters will b

After the Monster Association, peace is back on Earth, but Saitama isn't happy. How could he be? With no challenge, he's just back in his old depression! But strange, new characters come to Earth from space, and he could find just what he seeks, and even a little more.

I'm not good with summaries in general but, there is an OC in here and also who wouldn't want Saitama without hair. The story is about the adventure of OC and Saitama from the very beginning of the hero association

An esper and a nobody walk into a bar. In retrospect, this was a pretty novel base for a relationship. Sequel to 'Dinner Date', will probably just be a collection of one-shots with maybe a loose plotline.

Couldn't help myself! This is for the Bad/Garou vampire series. The red moon is upon them. It won't be long until Garou and Bad are pulled into the vampire war. However a new force has begun to make itself know... and they are eyeing Bad for their own selfish reasons!

A funny one-shot series of the lives of One-Punch Man characters.

Saitama's home is a mess, so the hero decides to hire a housekeeper who cleans, cook and do the laundry. However, the candidate who shows is more a problem than a solution...

Mitsuki Wakahisa's life has just been sent into a downward spiral with the loss of her job. Now she has to deal with the literal crash landing of our favorite bald man into her apartment. How will she deal with these new turn of events?

Based on a Fubuki doujin.

What if Saitama was actually praised and acknowledged for his feats instead of always taking the brunt of mob mentality and credit stealing? Come and take a gander at this tale which seeks to answer such a question all the while at Saitama's expense!...What you didn't HONESTLY think he was gonna have it any easier did you?

The time machine worked. Three event occurred that drastically changed the world. But is there a way to turn it back? Saitama doesn't know how he vanished for 8 years, and yet he finds himself in a wasteland that used to be City Z. How can this be fix? Is there anyone else who can help him?

Spoilers for Season 2. Takes place after Fubuki tried newbie crushing Saitama before failing miserably. In which the bald hero joins the group to teach her a lesson.

King alone in the monster association's layer stumbles upon an injured Do-s and saves her. The consequences of that action causes him to question the real values of a hero and himself. Though will forbidden love bloom between the two or will society destroy them both?

It was all fun and games until Garou decided he wanted to be an actual monster. But what could she do to save him from himself? (Drama/Comedy/Friendship/Romance) May update to M later.

Saitama and Tatsumaki are married way before the canon starts. Not good with summaries. Warnings: Major Canon Changes, OOC, Age Alterations for Saitama, Tatsumaki and Fubuki, ect.

If things were just a little bit different, would the story told be new?

King tries to get stronger and even goes out on a jog to prove himself. One-shot. Rated T because of Saitama and Tatsumaki fighting. King only needs intimidation.

A nervous wreck, Namie goes to Genos for comfort.

It's exactly what it sounds like. A hero D-girl for fun who's too strong for anyone to handle.

The cunning, evil-worshipping, eyebrow-lacking man named Chiba is a villain for fun. Also a self-aware Chuunibyou. After studying like a maniac for two years, he became the unstoppable plotter known as Lord Darklaw. He is now always one step ahead of everyone, always leading others by the nose, and always looking for excitement.

Short moments centering around Saitama and Twister. R63/Genderbent Saitama and Tatsumaki. Slight OOC

Saitama and Fubuki are in a committed relationship and live together in his Class A housing. She desperately wants to join him in Class A and he just wants to chill and have a decent fight. Throw in an angry older sis, a cavalry of wannabe disciples and potential relationship issues to boot and they will have fun times ahead. Please read and enjoy.

Zombieman discovers that having friends is an awfully wonderful thing: it makes him feel, but the emotions aren't exclusively good. Sequel of Tutti-fruit flavored.