Class 1-A visits Nabu Island where they finally get to do some real hero work. The place is so peaceful that it’s more like a vacation … until they’re attacked…

A mysterious group called Humarize strongly believes in the Quirk Singularity Doomsday theory which states that when quirks get mixed further in with future generations, that power will bring forth…

All Might and Deku accept an invitation to go abroad to a floating and mobile manmade city, called ‘I Island’, where they research quirks as well as hero supplemental items…