Hakuouki is a Japanese anime series based on a visual novel of the same name. The story centers around Chizuru Yukimura, a young woman who travels to Kyoto in search of her missing father. She encounters the Shinsengumi, a group of samurai, and becomes entwined in their battles against supernatural forces and political intrigue. The series combines historical elements with fantasy and romance, exploring themes of loyalty, honor, and love.