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