Hakuoki ~Demon of the Fleeting Blossom~

Hakuouki (薄桜鬼 〜新選組奇譚〜, Hakōki ~Shinsengumi Kitan~) is a Japanese anime series animated by Studio DEEN, and began airing in Japan on the TV Tokyo network on April 4, 2010. Based on the Playstation otome game of the same name developed by Otomate, the series produced several seasons and films as the game franchise grew popular.

Plot
Based on Idea Factory's romance adventure game: Yukimura Chizuru has come to Kyoto looking for her father, a doctor who has gone missing. While there, she witnesses a fight between Rasetsu and the Shinsengumi. Taking her into custody, the Shinsengumi debates on what to do with Chizuru when they discover that she is the daughter of the doctor they are also looking for. The Shinsengumi then takes Chizuru along on their search after the missing doctor, from adventures to adventures.