akira hamaguchi, darling in the franxx, effects, liquid, 1girl, 1boy, hiro (darling in the franxx), pink hair, black hair, zero two (darling in the franxx), cloud, long hair, sky, topless male, horns, day, water, partially submerged, outdoors, tree, white dress, twintails, blue sky, cloudy sky, dress, red horns, oni horns