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