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