1girl, ao_oni_(onioni-aoi), arknights, bare_shoulders, black_panties, black_sports_bra, blush, breasts, closed_eyes, collarbone, hair_ornament, horns, lying, medium_breasts, mudrock_(arknights), mudrock_(elite_ii)_(arknights), navel, on_back, open_clothes, oripathy_lesion_(arknights), panties, parted_lips, sarashi, sleeping, solo, sports_bra, stomach, underwear, upper_body