1girl, akizuki_(kancolle), black_headwear, book, breasts, brown_hair, cleavage, clothes_writing, fuwafuwatoufu, grey_eyes, hachimaki, headband, holding, holding_book, kantai_collection, long_hair, one-hour_drawing_challenge, ponytail, shirt, short_sleeves, solo, twitter_username, upper_body, white_shirt