darling in the franxx, hair, smears, tomoyo kamoi, 1girl, hiro (darling in the franxx), 1boy, zero two (darling in the franxx), pink hair, long hair, hair over breasts, black hair, horns, closed eyes, hair censor, breasts, clothed male nude female, nude, hetero, oni horns, medium breasts, couple, tree, red horns, military uniform, uniform, open mouth, military, completely nude, navel, cloudy sky, bangs, cloud