akira hamaguchi, darling in the franxx, effects, liquid, 1girl, 1boy, pink hair, hiro (darling in the franxx), zero two (darling in the franxx), sky, long hair, cloud, black hair, closed eyes, white hairband, horns, hairband, topless male, day, blue sky, one-piece swimsuit, swimsuit, anime coloring, oni horns, cloudy sky, parody, outdoors