1girl, o, asakura_toru, bikini, breasts, cleavage, collarbone, halterneck, idolmaster, idolmaster_shiny_colors, kneeling, light_purple_hair, looking_at_viewer, medium_breasts, mole, navel, outdoors, parted_bangs, short_hair, side-tie_bikini_bottom, sikimosh, solo, string_bikini, swimsuit, toes, white_bikini