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