1girl agano_(kancolle) anchor_symbol black_hair black_necktie black_sailor_collar commentary_request gakky gloves green_eyes kantai_collection long_hair midriff navel necktie one-hour_drawing_challenge open_mouth red_skirt round_teeth sailor_collar school_uniform serafuku shirt simple_background skirt sleeveless sleeveless_shirt smile solo teeth upper_body upper_teeth_only white_background white_gloves