1girl, black_one-piece_swimsuit, breasts, brown_eyes, brown_hair, cold, competition_swimsuit, feet_out_of_frame, idolmaster, idolmaster_cinderella_girls, long_hair, multicolored_clothes, multicolored_swimsuit, one-piece_swimsuit, open_mouth, pataneet, small_breasts, snow, solo, swimsuit, takamori_aiko, wading, water