background animation, darling in the franxx, hair, kazutaka sugiyama, 1girl, hiro (darling in the franxx), zero two (darling in the franxx), 1boy, pink hair, blood, blood on face, horns, black hair, long hair, hetero, looking at another, anime coloring, green eyes, face-to-face, oni horns, red horns, white hairband, blue eyes, hairband, parody, couple