I will benefit the world through my fandom. Today, too, Joseon’s nights are filled with the lights of overtime. Black enterprise Joseon. A multi-fandom fanatic obsessed with military, steampunk, and all sorts of other fandoms has been reincarnated. But his father is King Sejong? A monarch skilled in fandom and a son obsessed with fandom. And the ministers and countless others who are being torn apart. Today, too, Joseon’s nights are filled with the lights of overtime.