Shiota Nagisa wakes up in a world where 80% of the population are born with a special ability called a "quirk" and after meeting the aspiring hero, Midoriya Izuku, he discovers he now has one of his own! What's more, there's a powerful assassin who wants to wipe out all heroes! Can Nagisa and Izuku save both their comrades and their worlds? [MHA x AC crossover story]

Killua is a very weird student. A very weird student indeed. (Hiatus)

Here's the lowdown, The Straw Hat Pirates (and some acquaintances/allies) are all sent to another dimension where heroes are shining beacons of hope with powers that could make them gods. Who could be responsible for the events that have caused this occurrence, is it someone from One Piece or My Hero Academia, guess you'll just have to wait and see what the future holds.

When Saitama and Genos have a mishap with a certain alien ship's warp drive, they find themselves dazed and confused on the ground at USJ. How does everyone react to the duo's presence at UA? With rising tensions, strong enemies, and some strange hijinks, let's find out! Rated T for some language and violence.

Essentially kidnapped against his will, Killua has no choice but to aid the League of Villains if he ever wishes to return home. Meanwhile, Gon wakes up on the streets of Tokyo and is taken in by heroes who are fascinated and a little wary of the boy who claims to not have a quirk despite his physical prowess that says otherwise.

Saitama is suddenly swept away to the world of One-piece. The beginning of a new adventure? Surely; Enemies that don't die in one punch?...Not really.

On the day fo April 20, The Bakugou family gave birth to not one, but two little boys. How will this story unfold? read to find out!

Before meeting All Might, Izuku meets Saitama. Learning that Saitama was born without a quirk like him, Izuku becomes Saitama's disciple and trains under him to become the strongest hero he always wanted to be. But will Izuku succeed? How far is he willing to prove everyone that someone without a quirk can become a hero? Can he become a hero? Well, there's only way to find out. RxR

After Ritsu joined the class but before Itona, Class 3-E gained a new student and a new teacher. While their mysterious origins confuse the rest of the class, their skills are undeniable. Will their secrets be uncovered, and will they be any help in killing their homeroom teacher? Unfortunately, this story has been discontinued. See update for reason.