akira hamaguchi, darling in the franxx, effects, liquid, hiro (darling in the franxx), 1boy, zero two (darling in the franxx), 1girl, pink hair, black hair, horns, sky, oni horns, red horns, cloud, parody, anime coloring, day, green eyes, long hair, bangs, blue sky, looking at another, cloudy sky, hetero, blue eyes, couple