One Armed Swordsman: Rogue Swordsman

The time is the reign of the 8th shogun, Tokugawa Yoshimune. Tange Sazen, a one-eyed, one-handed swordsman, happens to acquire the "Kokezaru no jar" that Yagyu Genzaburo, the younger brother of the Yagyu clan lord, has lost, and he and Genzaburo hit it off.