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.
January - Don't Get Cocky
February - There's Nothing I Want to Say
March - It's one in ten thousand
April - What is strength?
May - Kindness is strength
June - This citadel is joyous, isn't it?
July - Caring for Someone
August - The Formation of the Ghost Extermination Rangers!
September - That's the Kind of Past I Have
October - The Really Important Memories
November - A Stern Blow to Okita's Inheritance
December - Our Citadel is the Hanamaru Today Too