"Darling in the Franxx" is a Japanese anime series set in a post-apocalyptic world where humanity is under threat from giant creatures known as Klaxosaurs. The story follows a group of young pilots, known as Parasites, who operate giant mechs called Franxx to combat these monsters. The series explores themes of love, identity, and the struggles of adolescence. The main characters, Hiro and Zero Two, form a unique bond as they pilot a Franxx together. Their relationship is central to the plot, highlighting the emotional and physical challenges they face in their fight for survival. The series combines action, romance, and science fiction elements.