After losing her family to bandits, Unchou Kan'u dedicates her life to eradicating bandit groups and protecting the innocent. Despite her anonymity, her heroic acts spread far and wide. Along her journey, she meets Chouhi Yokutoku, a young girl with a similar tragic past, forging a sisterly bond based on shared pain. United by their quest for justice, Kan'u and Chouhi vow to bring peace to the lands they traverse. Together with allies like the noble Chouun Shiryuu, the spirited Bachou Mouki, and the strategic Shokatsuryou Koumei, they confront local tyrants and marauding outlaws, striving to bring solace to those in distress wherever their path leads.