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