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