1girl, absurdres, bare_legs, barefoot, beach, bikini, black_hair, blush, breasts, cleavage, collarbone, hair_bun, halterneck, highres, idolmaster, idolmaster_cinderella_girls, looking_at_viewer, mismatched_bikini, outdoors, sanpo_(sanpo_1027), side-tie_bikini_bottom, sidelocks, single_hair_bun, small_breasts, smile, solo, swimsuit, takamori_aiko