Two years have passed since the end of the legendary Unabara Grand Tournament, during which many fighters risked their lives in order to determine who was the strongest of them. Iori Sengoku, now the "warrior without equal", receives an invitation from the Tokugawa Shogunate. He will have to defend his title. His opponents will be fighters sorted by the government. Their name: the Cent Blades of the Shogunate. Let the Ultimate Tournament begin!