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, white hairband, black hair, red bodysuit, green eyes, hairband, blood, anime coloring, oni horns, red horns, looking at another, blood on face, bangs, hetero, smile