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