Hakuoki: Dawn of the Shinsengumi (Hakuoki ~Sekkaroku~, lit. Demon of the Fleeting Blossom: A Memory of Snow Flowers) is an OVA series which takes place in between episodes 8 and 9 of the first season of Hakuoki, with each episode being told from six different characters' perspective. It is produced by Studio Deen under the same staff and cast.[1]
The opening song is "Yume no Ukifune" by Aika Yoshioka and the ending theme is "Mugen ~A True Love Tale~" for episode 1, "Kazahana - The Whisper of the Snow Falling -" for episode 2, "Araragi - The End of Struggle -" for episode 3, "Hikari - I Promise You -" for episode 4, "Shinjitsu - The Light Lasting -" for episode 5, and "Hiyoku - Contract With You -" for episode 6.[2]