darling in the franxx, hair, rie ishige, running, smears, takafumi hori, 1girl, 1boy, hiro (darling in the franxx), pink hair, male underwear, underwear, parody, long hair, black hair, zero two (darling in the franxx), boxers, barefoot, nipples, topless male, anime coloring, indoors, couch, horns, feet, panties, shorts