akira hamaguchi, darling in the franxx, effects, liquid, 1girl, hiro (darling in the franxx), zero two (darling in the franxx), 1boy, pink hair, black hair, hetero, horns, closed eyes, couple, long hair, sky, cloud, anime coloring, hug, oni horns, red horns, day, blue sky, looking at another, hairband, face-to-face, smile, open mouth, facing another, bangs