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, one-piece swimsuit, black hair, sky, cloud, green eyes, topless male, white hairband, horns, splashing, hairband, day, blue sky, water, oni horns, white one-piece swimsuit, outdoors, looking at another, cloudy sky, bangs