Traumatized by witnessing his parents’ murder at the hands of a member of the Choushuu, Ichimura Tetsunosuke is driven by a fierce thirst for revenge and a desperate desire for strength. At fifteen, he seeks to join the Shinsengumi, hoping to become one of its ranks. However, he lacks the skill, mindset, and unyielding will to cut down anyone who threatens peace or the Shinsengumi without emotion. Even with the support of his brother Tatsunosuke and his newfound friends within the Shinsengumi, Tetsunosuke is unaware of the bloodshed and pain he will ultimately endure as part of this historic organization.