1girl aqua_hairband black_hair blue_skirt book cardigan_vest commentary_request full_body glasses green_eyes grey_background hair_ribbon hairband holding holding_book kantai_collection long_hair necktie ojipon ooyodo_(kancolle) open_book pleated_skirt ribbon school_uniform short_sleeves simple_background sitting skirt smile solo sweater_vest very_long_hair yokozuwari