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