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, cloud, red horns, oni horns, parody, day, anime coloring, blue sky, long hair, bangs, looking at another, blue eyes, cloudy sky, green eyes, couple