The story of how three young firefighters destined to save Japan grow in spirit! Toake Daigo burns with remarkable talent and unparalleled determination. Onoda Shun struggles against the walls blocking his own path. Nakamura Yuki hopes to become one of the few female members of the special rescue corps known as "Orange." When these three young firefighters who share the goal of becoming members of Orange come together, the story of how Japan will one day be saved begins... and what looms before them is a crisis that endangers the entire country!