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, blood, long hair, hetero, oni horns, anime coloring, closed eyes, hairband, red horns, blue eyes, hug, white hairband, couple, kiss, bodysuit, pilot suit, bangs, parody, looking at another