Hakuoki ~Demon of the Fleeting Blossom~ (2021)

Known in Japan as Hakuouki OVA (2021), this series follows Chizuru Yukimura as she becomes entangled with the Shinsengumi during a surge of mysterious attacks in Kyoto. As Chizuru goes missing, Hijikata faces mounting threats both within and outside their ranks. Loyalties are tested as conspiracies close in.