1girl, 2_nostg, ahoge, aqua_hair, armpits, arms_up, black_camisole, blush, breasts, brown_hair, camisole, cleavage, cropped_torso, idolmaster, idolmaster_cinderella_girls, looking_at_viewer, mouth_hold, multicolored_hair, ninomiya_asuka, purple_eyes, rubber_band, shirt, simple_background, sleeveless, small_breasts, solo, tied_shirt, tying_hair, upper_body, white_background