1girl bags_under_eyes blue_archive blue_hairband blue_neckerchief book book_stack bookshelf cardigan closed_mouth de_lisle_carbine gun hair_between_eyes hairband halo highres holding holding_book hood_(james_x) indoors jewelry library long_hair long_skirt looking_at_viewer low_twintails neckerchief necklace pleated_skirt rifle sailor_collar school_uniform serafuku sitting skirt solo twintails ui_(blue_archive) very_long_hair weapon white_sailor_collar white_skirt