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...

(OPM x OC) Liam Carter, a tormented boy reborn in the world of One Punch Man as a teenage girl, gains overwhelming power but remains haunted by his past. Struggling with...

Behind every great man is a great woman, that's how the saying goes. But how can that apply to our favorite bald hero? Simple, what if he had someone beside him even bef...

"𝐇𝐨𝐰 𝐚𝐫𝐞 𝐲𝐨𝐮 𝐭𝐡𝐚𝐭 𝐬𝐭𝐫𝐨𝐧𝐠?" ↳ F! Op reader, I really mean stupidly OP! stronger thank Gojo and Sukuna combined💀. I wrote this book for fun...

"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...

"What does power cost?" Y/N is quirkless. In a world of superhumans, that's not a good thing. She decides to become strong! After a few years of training (100...

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

Y/n we can describe her as the most beautiful women, she's saitama wife, her husband will do anything to keep her with him even if it was KILLING others, little did she...

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...

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...

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...

People say that humans don't stand a chance when fighting demons and the demon will be humanity's doomsday. But that's about to change when a group of remarkable people...

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...

After an encounter Izuku Midoriya had with a crab villain, he realized that he would need to train harder than anyone else in order to become a quirkless hero. After se...

( BNHA/MHA Various x OPM! MC ) In a world of superhuman beings and quirks, Nana Saitama was, to put it bluntly, extremely ordinary. One day, she saves a green-haired boy...

This is a fanfiction of how My Hero Academia would turn out if Izuku Midoriya was an Esper.

The Cosmic god decides to creates An Powerfull Tournament unite heroes,monsters,kaijus and villains from Universe to fight each other To survive. ...

"I'm just a hero for fun" In which a girl who's simply too powerful that it only took her one punch to defeat her enemy.

Most of the supernatural beings have always looked down on the human race for not being as strong as them and considers humanity in a whole as weak and insignificant. B...