oniheika

In a world where being born with superpowers called a “Quirk” is the norm, a quirkless regular middle schooler Izuku Midoriya dreams to join the band of heroes that he grew to admire and love, and save the world. Despite being constantly bullied by his schoolmates for having no quirks, he does not give up on his dream and turns his attention into meticulous data gathering about the heroes instead.

The story begins with Yggdrasil, a popular online game which is quietly shut down one day; however, the protagonist Momonga decides to not log out. Momonga is then transformed into the image of a skeleton as "the most powerful wizard.