1girl, black_one-piece_swimsuit, blue_one-piece_swimsuit, blush, competition_swimsuit, covered_navel, dated, green_eyes, grey_hair, highleg, highleg_swimsuit, kantai_collection, long_hair, looking_at_viewer, maestrale_(kancolle), montemasa, multicolored_clothes, multicolored_swimsuit, one-hour_drawing_challenge, one-piece_swimsuit, one_side_up, open_mouth, rei_no_pool, simple_background, smile, solo, swimsuit, twitter_username, two-tone_swimsuit, white_background, window