"Hakuouki: Stories of the Shinsengumi" is a visual novel and anime series set in the late Edo period of Japan. It follows the story of Chizuru Yukimura, a young woman searching for her missing father, who becomes entangled with the Shinsengumi, a special police force known for their swordsmanship and loyalty. The narrative blends historical events with supernatural elements, particularly involving oni and blood transformations. The series features various characters from the Shinsengumi, including notable figures like Hijikata Toshizo and Okita Souji. Players and viewers experience Chizuru's journey through choices that affect relationships and outcomes, making it an engaging mix of romance, action, and history.