1girl, artist_name, bare_shoulders, breasts, cleavage, collarbone, curtains, dress, flower, grey_hair, hair_flower, hair_ornament, idolmaster, idolmaster_cinderella_girls, indoors, night, night_sky, purple_eyes, shiragiku_hotaru, short_hair, sky, small_breasts, solo, sonakao, standing, white_dress, window