Genos Stories

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...

Saitama has a kid come to his door one day and just walks in and gives him a piece of paper and just sits down and watch tv. As he reads the paper he realizes he has to...

Saitama - A hero for fun who has inhuman physical abilities and can defeat enemies with ONE PUUUUUNCH. Genos - A hot, edgy cyborg that can shoot lasers and fire. Y/n...

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...

( 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...

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...

Things change for Saitama in a single day. Tg very first change he decided to give up on job hunting to become a hero who would defeat monsters with one punch. Another c...

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

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...

(a single punch broke time and space sending saitama into a world where people have weird abilities. thankfully someone is there to help him out in this new world) #1 on...

(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...

In which two childhood friends meet after a decade on opposite sides of the battlefield.

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...

There were many changes from the sudden shift in the Earth's structure. The one continest has been divided in so many cities and there were so much techological advances...

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...

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

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...

Saiki k x OPM Crossover. Saiki wakes up to find himself in a completely different universe with monsters, heros and villains. With nowhere else to go, he ends up staying...

You were normal. You had a normal job, normal apartment and a normal life, but every night was the same. When you went to sleep all you saw was him...who is this mysteri...