darling in the franxx, effects, naoya takahashi, smears, smoke, zero two (darling in the franxx), 1girl, pilot suit, hiro (darling in the franxx), pink hair, 1boy, long hair, horns, black hair, cockpit, bodysuit, red bodysuit, oni horns, hairband, white hairband, red horns, uniform, anime coloring, green eyes, parody, mecha