akira hamaguchi, darling in the franxx, effects, liquid, 1girl, hiro (darling in the franxx), zero two (darling in the franxx), 1boy, pink hair, black hair, long hair, horns, hetero, looking at another, couple, swimsuit, sky, green eyes, blush, anime coloring, face-to-face, ponytail, blue eyes, oni horns, cloud, hug, day, blue sky, sweatdrop, eye contact, red horns, hairband