Jirochô sangokushi daiichibu (1963)

The tale of real-life Yakuza boss Shimizu Jirocho is told from his earliest beginnings as a gambler on the road as he forms his gang and sets out on the path to fame and fortune. One of the smartest and strongest of all the gang bosses, he went on to survive the end of the samurai era and become a successful businessman. But first, he must survive against all odds in order to build his reputation and develop his strength. Powerful portrayals of the group are led by the great Tsuruta Koji with help from the likes of Matsukata Hiroki.