1girl, ass_visible_through_thighs, blue_background, blush, bow, breasts, bright_pupils, cameltoe, competition_swimsuit, greyscale, hair_bow, idolmaster, idolmaster_cinderella_girls, long_hair, monochrome, mushi024, navel, one-piece_swimsuit, small_breasts, solo, spot_color, swimsuit, tachibana_arisu, thighhighs, white_pupils