1girl, arm_support, barefoot, bikini, bow, buta_tsuzumi, collarbone, dot_nose, expressionless, flat_chest, hair_bow, idolmaster, idolmaster_cinderella_girls, legs, loli, long_hair, looking_at_viewer, micro_bikini, monochrome, navel, sidelocks, sitting, solo, stomach, swimsuit, tachibana_arisu, thighs, white_background