Genos Stories

(y/n) (l/n) is the adoptive daughter of an over powered quirkless 31 year old human, Saitama. She always looked up to her father, saving the world while hiding behind th...

(Y/N) who always thought that her life was miserable because of the power that she got. She met with Saitama when she was depressed deeply. After her parents got killed...

You've known him since childhood, but you two were never close. What if, one day, that changed? Y/N works at an ice cream shop. The hours are bearable, and usually the...

Saitama has known (Y/n) since childhood, and still has yet to do anything about the way he feels, oblivious as she is. And now, with their cyborg student, they're now in...

The S-Class and a few others watch One Punch Man. This on Fanfiction.net too.

The S-class heroes have been taken to watch One Punch Man, a show about the C-class hero Saitama. Not only that, but their also going to watch the future! Will they be a...

" The day that you lose hope, is the day that I die. " Hello hello! Welcome to 'Sensei's Little Hero'! I do hope you enjoy this book as much as I enjoyed writi...

What if a man from our world takes over Saitama's body? Will he destroy all Monster he faces, or will he do the opposite? Let's join our Mc adventure in this beautiful w...

A young man named Takashi Kamihitotsu, he's a 27 year old man who just got fired from his rude boss for screwing up, even though he wasn't the one since he was framed. A...

When Y/n the son of Saitama ends up being transported to a different world he is left confused. While trying to find out where he is he stumbles across the Fairy tail gu...

(Y/N) was a student of the most powerful hero he's ever known who was called Saitama. (Y/N) may seem like a normal guy, but he has tremendous power that no one except hi...

With (Y/n) as the girlfriend of the infamous hero Saitama, how will their life go through the Hero Association? Read to find out! =Follows Season 1 and Season 2, with a...

(Diabolik Lovers x One Punch Man Crossover) Various! Diabolik Lovers x OPM! Reader "What do we have here? Plain-chan~?" "Tch, what are you staring at, Sho...

Saitama is transported into the JJK universe. He becomes a sorcerer and as time goes on, the worlds become more intertwined.

Basically a life where you become friends with Saitama and Genos. Then meet up with the green haired loli. One Punch Man is copyrighted by VIZ Media. This is basically a...

This is a story that takes place after destroying the house of evolution, where Saitama will enter the association of heroes and throughout his journey in it he will mee...

after garou taught saitama 'the reversal of causality' he should've have died from god taking away his powers but instead, he was teleported to another universe. this s...

Y/n can adapt to any situation quickly,thus he's good at underwater fights,mid air battles even someplace hot.

You are Saitama's best friend but the problem is: You pay the rent

he who has the power to defeat multiple heroes met a girl who's the sister of the ultimate hero... what would happen between both wandering souls, if they meet by chance...