1girl alternate_costume apron ayn_(ayn_kau) bangs black_dress blush brown_hair commission dress enmaided hair_over_shoulder highres idolmaster idolmaster_cinderella_girls juliet_sleeves leaning_forward long_sleeves looking_at_viewer maid maid_headdress mochida_arisa puffy_sleeves skeb_commission solo swept_bangs white_apron