In a dystopian future in which Japan's governmental organization has shattered during the Great Tokyo War, the country is divided into ten autonomous nations, each ruled by a gang lead by a "Best," a human-proclaimed prophet with terrible superpowers. Nozomi Moritomo is a "Rest"—a regular girl who has recently joined the local gang as a rookie. She wishes to assist Masami Utoku, her childhood friend and role model, in the continuing territorial issue.