1girl blazer buttons commentary_request double-breasted glass green_hairband grey_eyes grey_hair grey_sailor_collar grey_skirt hairband jacket kantai_collection kudou_(ooabareteng) long_hair looking_at_viewer official_alternate_costume one-hour_drawing_challenge one_eye_closed pleated_skirt sailor_collar sidelocks simple_background sitting skirt solo wavy_hair white_background yamagumo_(kancolle) yokozuwari