akira hamaguchi, darling in the franxx, effects, liquid, 1girl, zero two (darling in the franxx), pink hair, 1boy, hiro (darling in the franxx), black hair, horns, long hair, topless male, cloud, sky, hetero, ponytail, looking at another, couple, day, green eyes, sweatdrop, anime coloring, red horns, blue sky, swimsuit, oni horns, bikini, smile