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