The Shinsengumi is an organization of warriors that many of the major characters in the series are members of or at least, involved with.
The Shinsengumi are an order of warriors, including spies and samurai, who act as a police force of sorts. Their members have a distinct uniform in the form of their blue robes with white mountain-shaped edgings.
- Main article: Category:Shinsengumi
The historical Shinsengumi was a special police force, founded in 1863 in Kyoto and disbanded in 1869.