1girl, bad_id, bad_pixiv_id, blonde_hair, bow, bowtie, highres, idolmaster, idolmaster_cinderella_girls, idolmaster_cinderella_girls_starlight_stage, loose_bowtie, lying, ohtsuki_yui, on_back, sanpo_(sanpo_1027), school_uniform, sideways, simple_background, sleeping, smile, solo, sweater_vest, swept_bangs, upper_body, white_background