The original visual novel game Hakuoki: Demon of the Fleeting Blossom was released in Japan by Otomate for the PlayStation 2, marking the beginning of the franchise.
The first season of the Hakuoki anime TV series aired in Japan, expanding the franchise's popularity beyond the game medium.
These two sequel games were released for PlayStation Portable, further developing the story and characters of the franchise.
Second season of the Hakuoki anime was aired in Japan, continuing the adaptation of the visual novel's storylines.
Localized version of the original game was released in North America by Aksys Games, making the game accessible to Western audiences.
A remake of Hakuoki: Kyoto Winds was announced for newer consoles including PlayStation Vita, renewing interest in the franchise.
All main anime adaptations of Hakuoki were completed, establishing the franchise as a significant media property.
The Shinsengumi, a special police force, is formally established in Kyoto to protect the city and maintain order during the Bakumatsu period.
Chizuru Yukimura arrives in Kyoto searching for her missing father, which leads her to the Shinsengumi headquarters and involvement with the group.
Chizuru disguises herself as a boy and joins the Shinsengumi to protect herself and look for her father.
Okita, a captain of the Shinsengumi, contracts the Furies' disease, a cursed illness that turns humans into monstrous creatures called Furies (Furyou).
The Shinsengumi begin fighting Furies; they start using Chizuru’s father's developed medicine to suppress the conversion to Furies.
Heisuke Toudou, a Shinsengumi captain, is fatally wounded during the conflict with hidden Fury forces.
Captain Souji Okita struggles with the progression of his illness and eventually succumbs to it, marking a heavy loss to the Shinsengumi.
The Shinsengumi collapses following the Meiji Restoration and the loss of Kyoto, ending their role as the protector force of the city.
It is revealed that Chizuru Yukimura is the daughter of a Yukimura clan scientist involved in the creation of the anti-Fury medicine.