darling in the franxx, effects, naoya takahashi, smears, smoke, hiro (darling in the franxx), zero two (darling in the franxx), 1girl, 1boy, pink hair, pilot suit, black hair, long hair, horns, bodysuit, red bodysuit, white hairband, blood, uniform, blood on face, hairband, oni horns, military, open mouth, bangs, military uniform, cockpit, blue eyes, hetero