Rule 34 Dev - 1girl anton_loveui black_eyes black_hair blue_neckerchief book book_stack brown_cardigan cardigan copyright_request glasses hair_between_eyes hairband halo highres holding holding_book holding_quill jewelry library looking_at_viewer neckerchief necklace open_book plaid_clothes plaid_shawl quill shawl sitting ui_(blue_archive)|23371763922