1girl bare_legs bare_shoulders barefoot black_bra black_hair black_panties blush bottomless bra breasts cleavage collarbone dimples_of_venus everchix groin half-closed_eyes highres hiiragi_shino holding holding_clothes holding_panties holding_underwear idolmaster idolmaster_cinderella_girls lace-trimmed_bra lace_trim large_breasts long_hair looking_at_viewer panties simple_background smile solo squatting straight_hair string_panties underwear very_long_hair white_background