darling in the franxx, hair, smears, tomoyo kamoi, hiro (darling in the franxx), 1girl, zero two (darling in the franxx), 1boy, pink hair, long hair, black hair, couple, horns, hetero, oni horns, nude, hair over breasts, clothed male nude female, tree, closed eyes, hair censor, nature, completely nude, military, military uniform, red horns, uniform, forest, hug, breasts, outdoors, bangs