1girl, alternate_costume, artist_logo, black_hair, black_sailor_collar, black_skirt, cowboy_shot, eighth_note, grey_eyes, hayasui_(kancolle), kantai_collection, lanthan, long_sleeves, musical_note, neckerchief, one-hour_drawing_challenge, pleated_skirt, red_neckerchief, sailor_collar, school_uniform, serafuku, short_hair, simple_background, skirt, solo, standing, white_background