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