Eiji is the protagonist of Big Order. He is indifferent towards everything around him and skips classes whenever he wants.

Spoiler

Eiji is afraid to use his power because of it the whole world suffered great losses. As well as his sister who cant move her legs because of his wish.

Spoiler

He has the power to mark places as his territory and make anything in his territory under his control. He gained this power after wishing for the destruction of the world due to the influence of the book 'the big baddie' where the protagonist wants to take over the world to bring about peace.