akira hamaguchi, darling in the franxx, effects, liquid, 1girl, zero two (darling in the franxx), hiro (darling in the franxx), 1boy, pink hair, black hair, horns, long hair, hetero, couple, cloud, topless male, sky, ponytail, looking at another, red horns, green eyes, oni horns, hand on another's shoulder, day, blue eyes, blue sky, open mouth, sweatdrop, cloudy sky