Takayama assumed the position of the '' wakagashira '' ( 若頭 ) of the Sixth Yamaguchi - gumi on August 8 , 2005 , one week after Tsukasa became '' kumicho '' ( Godfather ) of the Sixth Yamaguchi - gumi in July 2005 .
Takayama assumed the position of the '' wakagashira '' ( 若頭 ) of the Sixth Yamaguchi - gumi on August 8 , 2005 . 
 Shinobu Tsukasa became '' kumicho '' ( Godfather ) of the Sixth Yamaguchi - gumi in July 2005 .