In the midst of a gang conflict in Barato, Private Hyakunosuke Ogata from the 7th Division and the ex-Vice Commander of the Shinsengumi, Toshizou Hijikata, stand at odds. Rumors swirl about the Hidoro gang's possession of a tattooed prisoner's skin, sparking their involvement. As they edge closer to the coveted Ainu gold, a shocking betrayal shakes their alliance, prompting a reconsideration of their actions before rushing headlong into battle.