The Kansai-based yakuza was founded in 1967 by Masaru Takumi, the longtime second-in-command (wakagashira) and financial oversteer of the Yamaguchi-gumi.
Takumi was kumicho of yakuza's 1000-members until his assassination in Kobe in 1997 by members of the Nakano-kai.
[1] His successor, Tadashi Irie, is the current kumicho.
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