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