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? Story Overview: The Touken Danshi, 15 blades incarnate who had been drifting aimlessly without a Saniwa master, are suddenly attacked by the History Retrograde Army. After the battle, they are assigned by the Government of the Time to undertake "onslaught investigations." The masterless blades have no choice but to depart for the chaotic world of the Sengoku Era, whose history had already begun to be altered.