Onepunchman Stories

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...

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...

Users of magic with the help of technology, Titan abilities, and Nen are about to see two worlds who may surpass their abilities and probably way stronger than them? How...

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...

saitama is a boring, overpowered and emotionless man. at first sight he really didn't seem to be the kind of person to have a weakness at all. yet he has the most unexpe...

(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...

What if Saitama's Achievements were recognized? Well, that's exactly what happens here. Read if you wanna know. (I suck at description making.)

"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...

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

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...

Y/n is a girl who grew up with a very clear view of the world; there is good and there is bad. Heroes are good and villains are bad. However, when a strange new characte...

You've been together for years and after much thought, You have decided to marry the tornado of terror. What could go wrong?

She wanted to be strong like him - her father. He was able to defeat foes with just one punch and kick and having seen him and his disciple Genos in action she concluded...

Y/n Is a very powerful person who the best friend of the strongest man on earth but of course, he's the only one who knows that, his friend Saitama. They are both best f...

( 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...

| RWBY x One Punch Man Reader | ≪ Your name is (Y/N) (L/N) and you are 17 years old. Three years ago, you saved someone from a Grimm as you were taking a walk in a fores...

(Male Bullied, Betrayed, Cheated, Neglected Red Hood Reader x Crossover Harem)

Lemons! Mature content ahead ;)

Yamcha, ever since the Androids attacked, has basically accepted that in terms of power, he's become the bottom of the barrel. That doesn't mean he's done trying. After...