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