During the turbulent Tokugawa period in Japan, the protagonist Chizuru Yukimura, who decided to disguise herself as a man and visit Kyoto due to the mysterious disappearance of her father, joined the Shinsengumi by chance, and from then on they started fighting against the darkness with the Shinsengumi. Here she met the handsome and serious Hijikata deputy chief, the poisonous-tongued Souji, the cold Saito, the gentle Zuozhi, the sunny Heisuke, the evil Kazama - on that snowy night, the wheel of fate opened...