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