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