1girl, ass_visible_through_thighs, bikini, black_hair, blue_bikini, blush, breasts, breasts_apart, collarbone, cowboy_shot, idolmaster, idolmaster_shiny_colors, kazano_hiori, looking_down, mole, mole_under_mouth, outdoors, ponytail, purple_eyes, small_breasts, solo, surprised, swimsuit, umirororo, untied_bikini, white_towel