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