Shine On! Bakumatsu Boys

The story of Bucchigire! is set in the era where samurai rule Japan. When the Shinsengumi police force has been all but wiped out by an unknown foe, leaving one survivor, seven criminals have been chosen as substitutes for the Shinsengumi. To ensure the law and order in Kyoto, this top-secret replacement operation is set in motion. (Source: Anime News Network, edited)