Musashi Number 9
 Musashi #9 (９番目のムサシ Kyūbanme no Musashi) is a Japanese manga series by Miyuki Takahashi about a secret agent working for a mysterious world organization known only as Ultimate Blue. #9 is their one of their top agents a 16-year-old girl who goes by the code name Musashi #9. Her aliases include Shinozuka Kou and Shinosaki Kei.