darling in the franxx, effects, naoya takahashi, smears, smoke, zero two (darling in the franxx), 1girl, 1boy, hiro (darling in the franxx), pink hair, black hair, long hair, military, military uniform, uniform, pilot suit, horns, red bodysuit, hetero, bodysuit, parody, anime coloring, red horns, looking at another, oni horns, red gloves, couple, kneeling