"It's not a mutation. It's called a Quirk. Instead of being ninjas or whatever, become heroes." The Gang thought this whole time it was a mutation, to find out it wasn't. Each of them had a Quirk. And with this Quirk could be more than just hiding in the shadows. They could become heroes.

While stationed in New York, Pro Hero Dynamight has to deal with a nosy reporter who wants a scoop. Eventually, they cut a deal... LEMON

Sorry this description sucks After returning to UA after the fight with Stain, Izuku is told by All-Might to return OFA. After leaving in a fit of rage, he is captured by the Foot Clan and turned into a mutant crocodile girl. He is then saved by the turtles and their master, Splinter, and decides to join them because why not.

Donatello's experiments with dimensional travel leave the 5 siblings stranded in another world. how will they fare in a world geared toward Heroes and Villains while Donnie rebuilds the portal, and trouble lurks behind a thin veil? (cross-posted on ao3)

In this alternate universe, Izuku was chosen to be All Might's successor and during his fifth month of his ten-month training, Izuku was returning home from the market, until he noticed suspicious people doing something strange. But before Izuku could call the police or a hero, he saw 4 figures coming out of the shadows and they fought these people and when our protagonist follow..

There is Evil in Good and Good in Evil, after a scandal involving a married woman Japan's #1 Hero has come under fire. Using his 'wet work' underling and Japan's #2 Hero, All Might wants this blemish to be 'cleaned and at was 15 years ago and now his sins have come to roost. Also Yaoi/confused Bakagou.