"Kagerō Daze" is a Japanese light novel series written by Kōta Hirano. It is set in a world where humans can manipulate their shadows, leading to a conflict between those who possess this ability and those who do not. The story follows a group of characters as they navigate their relationships and confront the challenges posed by their powers. The series has been adapted into a manga and an anime, expanding its reach and popularity. It explores themes of identity, power, and the consequences of one's choices, making it a compelling narrative for fans of the fantasy genre.