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