The Successful Businessmen Handbook: Economic Tatics You Can Learn from the Yakuza (2007)

Hitoshi Ozawa

The Navigator

Shun Sugata

Patriarch T.

Manzō Shinra

Company President

Kazuyoshi Ozawa

Patriarch S.

Hiroshi Shimizu

Hospital Director

Yasukaze Motomiya

Chairman M.

Shirô Namiki

Executive director of a major company

Toru Minegishi

Editor-in-chief

Kyoji Kamui

Yakuza