Tales of Young Genji Kuro 1 (1957)

Master swordsman Genji Kurô is a master swordsman and entrusted with protecting the ancient sword Kaen by the Otsubo family. Being part of a valuable pair of swords made by a legendary sword maker, the Otsubo family tries to reunite the swords Kaen and Suien at the Mishima Shrine. The journey to the shrine is however full of peril and danger as a ban of ruthless thieves are interested in the swords.