"Franxx" refers to the anime series "Darling in the Franxx," which was produced by Trigger and A-1 Pictures. Set in a post-apocalyptic world, the story follows a group of young pilots who operate giant mechs called Franxx to protect humanity from mysterious creatures known as Klaxosaurs. The series explores themes of love, identity, and the struggles of adolescence. The main characters include Hiro, a boy who has lost his ability to pilot, and Zero Two, a girl with a unique heritage. As they navigate their relationships and the challenges of their world, they uncover deeper truths about themselves and the society they live in.