In Touken Ranbu Warriors, members of Touken Danshi have been drifting through time without their master, the Saniwa, to lead them, when they are suddenly attacked by the fearsome History Retrograde Army (HRA). After the initial conflict, the Touken Danshi are approached by the Government of Time and sent on a mission into the war-torn Sengoku Era where the revision of Japanese history is already underway. Can the Touken Danshi heroes restore order while restoring the original timeline?