Hakuoki is a visual novel and dating simulation game set in Japan during the late Edo period. Players assume the role of Chizuru Yukimura, a young woman searching for her missing father. Throughout the game, she encounters the Shinsengumi, a group of samurai, and must navigate complex relationships while uncovering historical events. The game features multiple storylines and endings, influenced by the player's choices. It combines elements of romance, action, and historical fiction, allowing players to interact with characters like Hijikata Toshizo and Okita Souji. Hakuoki has spawned several sequels, anime adaptations, and manga series, expanding its narrative universe.