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