1girl, o, atlanta_(kancolle), black_one-piece_swimsuit, blue_one-piece_swimsuit, breasts, brown_hair, competition_swimsuit, covered_navel, dated, grey_eyes, hair_between_eyes, indoors, kantai_collection, large_breasts, long_hair, looking_at_viewer, montemasa, multicolored_clothes, multicolored_swimsuit, one-piece_swimsuit, solo, swimsuit, twitter_username, two-tone_swimsuit, two_side_up, upper_body