1girl, anastasia_(idolmaster), bikini, blue_eyes, breasts, eyelashes, gem, grey_hair, hands_up, idolmaster, idolmaster_cinderella_girls, jewelry, looking_at_viewer, medium_breasts, navel, necklace, parted_lips, purple_bikini, shawl, shiidap, short_hair, smile, solo, string_bikini, swimsuit, thighs, water, wet, white_background