background animation, darling in the franxx, hair, kazutaka sugiyama, 1girl, hiro (darling in the franxx), zero two (darling in the franxx), pink hair, 1boy, long hair, black hair, bodysuit, pilot suit, horns, military, uniform, military uniform, socks, oni horns, holding hands, couple, red bodysuit, white hairband, hetero, bangs, red horns, shorts, long sleeves, looking at another, shoes, hairband, leg up, boots