One-punchman 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...

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...

As Saitama walked back to his apartment after defeating a monster with just one punch. He encounters a young girl lying on the streets. Rather than leave her there, he t...

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

Saitama transported in a new world different from his original world, naked in the cave he found a slime with human mind, they set their fate as the amazing duo not unti...

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...

"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...

"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...

(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...

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...

(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...

What if: denji trains like saitama and removes his limits. In this fic, there will be many changes in content compared to the original series. i don't own opm or csm I w...

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...

When a boy from Yang's past comes back, she's surprised to see just how much he had grown.

Saitama journey himself in becoming demon slayer, he is no longer one punch man, but he is one slash man, one slash from this hero and the demons are gone for good. THIS...

In a world where 80% of the population has quirks the other 20% doesn't. Izuku yagi is one of those 20%. Being neglected by his own family, abused by his classmates and...

"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...

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...

You are [Name], and you are the daughter of the hero caped baldy, Saitama. One day, some people come to your apartment and ask you the big question. Do you wanna become...

To save her life, [Father's name] created a ship for [Y/n] to travel in after their Earth was destroyed. For ten years and now 21, [Y/n] has traveled through space until...