background animation, darling in the franxx, hair, kazutaka sugiyama, 1girl, hiro (darling in the franxx), zero two (darling in the franxx), 1boy, long hair, pink hair, bodysuit, pilot suit, black hair, horns, blood on face, blood, red bodysuit, green eyes, white hairband, anime coloring, oni horns, hairband, bangs, looking at another, red horns, hetero, open mouth, breasts