Fudou Yukimitsu, a sword once wielded by Oda Nobunaga, appears at the citadel. This new arrival causes tension among the other swords who also claim Nobunaga as their former master. The team captain, Yamanbagiri Kunihiro, must navigate this conflict while dealing with the citadel's disarray. The saniwa receives orders to depart for 1582, the year of the Honnouji event where Nobunaga met his demise.