Hakuou High School is a fictional institution featured in the manga series Hakuouki. Set during the late Edo period in Japan, the story revolves around a group of young samurai known as the Shinsengumi, who protect the city of Kyoto. The manga combines historical elements with supernatural themes, focusing on the struggles and relationships of its characters. The main protagonist, Chizuru Yukimura, is a young woman who disguises herself as a boy to search for her missing father. Throughout her journey, she encounters various members of the Shinsengumi, leading to adventures filled with action, romance, and intrigue.