1girl, blush, breast_rest, breasts, breasts_on_table, cleavage, collarbone, crop_top, greyscale, huge_breasts, idolmaster, idolmaster_cinderella_girls, looking_at_viewer, monochrome, oikawa_shizuku, shirt, short_hair, signature, sleeveless, sleeveless_shirt, smile, solo, yasson_yoshiyuki