1girl, bare_arms, bikini, blush, breasts, cleavage, collarbone, hair_ornament, hair_scrunchie, halterneck, holding, idolmaster, idolmaster_cinderella_girls, long_hair, navel, open_mouth, oscar_08, pink_bikini, ponytail, poolside, red_eyes, red_hair, scrunchie, shiina_noriko, sideboob, small_breasts, solo, standing, string_bikini, swimsuit, yellow_scrunchie