Onepunchman Stories

F! Reader Insert ; No quirk, but she still wanted to be a hero. 100 daily push-ups, sit-ups, and squats, plus 10 km of running for just about 2 years. Without knowing, s...

(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...

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

He can't stand your hospitality so why does he bother to stay? [One Punch Man] • garouxreader ©fengyuli ; 2019 • started : 6.23.19 • finished : ...

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...

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...

(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...

Isekai'd to OPM , waking up in the weak body. Don't want to change the timeline and as I want to become a background character. But luck isn't on my side now as I am mi...

Another one of those types of stories where the Reader is Op! Y/n is a quirkless girl who is extremely overpowered! What will happen? Will she grow to gain more friends...

Returning home from university, you were caught off guard as Saitama's door swung open, revealing an unexpected blonde. Despite your lifelong friendship with Saitama, he...

Y/N is a 20 year old, she has a normal job and normal friends. When she tells them she needs to move because of rent, they tell her the cheapest place is in City-Z, but...

"Mrs. Rose, I have a question," "Hm?" Rose looked away from the sink, where she was doing the dishes, and turns her attention to the cyborg, "Su...

The Loud parents and Sisters gain powers from one of Lisa's experiments blowing up, Lincoln was away on a trip with Clyde, so while his family became heroes like many ot...

Saitama meets Captain Mizuki one day while fighting a monster, and he is impressed. Cover art by Shino054. As you can tell from the title, this story is now officially...

Includes: Saitama Genos Sonic Mumen Rider Metal Bat Stinger Amai Mask

When Saitama suddenly ends up outside of Wall Rose, he quickly becomes humanities' savior. With no way of getting home, he accepts his role... kind of. IMPORTANT NOTICE...

(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...

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...

When Naruto was 9, he was attacked by the villagers and died. When his soul was inside a void, he meets Saitama. The hero tells him that he is his reincarnation and that...

Y/N, the son of the one punch hero Saitama, has teleported to another world after being sucked in by a mysterious portal that appeared. He ended up in a world of Spirits...