Based on the Online Browser game.
The Official website for the Anime ofToken Ranbu: Hanamaru has showed it´s first teaser
The description of the video show it´s premise:
The year is 2205. The “historical revisionists” have begun attacks on the past in their plot to change history. The Saniwa, who have been charged with protecting history, can imbue life into objects. Strongest among these are the Tōken Danshi. The story centers around their cheerful lives.
Takashi Naoya (Luck & Logic) is directing it; Doga Kobo is the studio while Junichiru Taniguchi (Prison School) is making the character designs.
At the same time, Ufotable is making another anime based on Token Ranbu which will come this year.
Via: Anime News Network