darling in the franxx, hair, rie ishige, running, smears, takafumi hori, hiro (darling in the franxx), 1girl, 1boy, pink hair, parody, zero two (darling in the franxx), black hair, orange necktie, long hair, male underwear, topless male, boxers, horns, green eyes, uniform, indoors, barefoot, box, bed, necktie, bedroom, bulge