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, looking at another, long hair, horns, green eyes, couple, sky, face-to-face, blush, swimsuit, cloud, blue eyes, anime coloring, day, blue sky, oni horns, hug, eye contact, open mouth, bangs