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 on face, black hair, horns, long hair, blood, hetero, closed eyes, oni horns, anime coloring, hairband, red horns, blue eyes, white hairband, couple, kiss, pilot suit, blush, parody, bodysuit, hug, bangs