Businessperson's Winning Course: Charisma Learned from the Yakuza Johnny Okura / Yoshikazu Yamaguchi / Atsushi Yamamura, etc. This is a set sale of two DVDs. *The outer packaging has scratches, etc. The discs are clean. What is the charisma needed to gain unwavering trust?! In the yakuza society, where members are prepared for "feuds," "imprisonment," and "death," the leader's responsibility is immense, and their leadership skills have been honed. To foster motivated subordinates and unite the organization, "charisma" is absolutely essential! How do the oyabun acquire "charisma"?