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