In order to save the hungry and cold villagers, the boy Tatsumi resolutely embarked on a journey to the capital of the empire.However, what he faced was not the prosperous era in his dream, but a world that was extremely degenerate - it was controlled by the ruthless prime minister, and the young emperor was just a puppet in his hands.In this darkness of corruption and justice decay, Tatsumi was recruited by the "Night Attack" organization.This is a group of assassins who are determined to eliminate the roots and launch an assassination battle against greed and tyranny.Their hands were stained with blood just to ignite a glimmer of hope in the darkness.