Rule 34 Dev - 1girl bags_under_eyes blue_archive book book_stack bookshelf brown_cardigan cardigan commentary_request glasses grey_hair halo highres holding holding_book indoors knees_up lantern library long_sleeves looking_ahead mok4suke on_chair round_eyewear sitting skirt solo ui_(blue_archive) white_skirt yellow-framed_eyewear|22645167480