1girl, bismarck_(kancolle), bismarck_(kancolle)_(cosplay), black_hair, blue_hairband, brown_gloves, cosplay, cowboy_shot, dated, detached_sleeves, dress, flat_chest, gloves, gradient_hair, green_eyes, grey_dress, grey_thighhighs, hairband, kantai_collection, long_hair, looking_at_viewer, maru_(marg0613), matsuwa_(kancolle), military, military_uniform, multicolored_hair, one-hour_drawing_challenge, purple_hair, simple_background, solo, thighhighs, twitter_username, uniform, waving, white_background