 He would later become the head of the Hirota-gumi and the supreme boss of the Sixth Yamaguchi-gumi.Kiyoshi Takayama who is the number-two boss ("wakagashira") of the Sixth Yamaguchi-gumi and the founding head of the Takayama-gumi, and former chief director ("rijicho") of the Ryoshin-kai.Described as a "financial mafia" by a former officer of the Aichi Prefectural Police Department, the Kodo-kai's activities include banking or investment banking for the criminal underworld.