Touken Ranbu: Hanamaru Touken Ranbu - Hanamaru
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 Touken Danshi. The story centers around their cheerful lives.
[Source: Anime News Network]