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