1girl, arm_support, bad_twitter_id, beach, bikini, blurry, blurry_background, blush, brown_hair, cameltoe, collarbone, flat_chest, frilled_bikini, frills, green_jacket, hair_bun, halterneck, idolmaster, idolmaster_cinderella_girls, jacket, jefp2nd, looking_at_viewer, navel, orange_bikini, outdoors, side-tie_bikini_bottom, single_hair_bun, solo, swimsuit, takamori_aiko