akira hamaguchi, darling in the franxx, effects, liquid, 1girl, 1boy, hiro (darling in the franxx), pink hair, zero two (darling in the franxx), black hair, long hair, topless male, cloud, horns, sky, partially submerged, day, water, outdoors, ponytail, tree, oni horns, blue sky, red horns, one-piece swimsuit, swimsuit, couple, cloudy sky, anime coloring, looking at another