An incident occurred where a member of the Sannokai who sparked a dispute at the gambling house was shot dead by a member of the Umeyama group dividing the place. This is the beginning of the "Osaka War" that shook the world of Japanese gangsters.
Kentarō Shimizu , Tamotsu Ishibashi , Takahashi Kazuoki , Hiroyuki Watanabe , Tatsuo Umemiya , Ken Musashi , Jiro Okazaki , Tamio Kawachi
