Hijikata-Kun's Memo Against the Foreigners

Shortly after the defeat of the war against the barbarians, Takasugi discovered that the four ronin who betrayed their teacher were now wealthy businessmen and landowners. At the same time, he discovered that the four of them were actually plotting a destructive plan against the barbarian warriors. In order to fight against the barbarians and take revenge, Takasugi invited Gintoki to work, dyed his hair and changed his hair, and waited for an opportunity to assassinate four people. At the same time, the shogunate recruited the Shinsengumi. Hijikata, who missed this news, rescued Gintoki, who failed in the assassination attempt, when he ran away from "home". The two people who did not understand each other embarked on a journey together for different reasons...