But Shimada is only one of many celebrities with yakuza ties.
It was established in Kyoto in the 1860s according to the yakuza history book Ninkyojuku.
It was not that unusual for Japanese politicians to have yakuza ties in the past.
traditional Japanese organized crime cartel, literally "eight-nine-three" (ya, ku, sa) the losing hand in the traditional baccarat-like Japanese card game Oicho-Kabu. The notion may be "good for nothing," or "bad luck" (such as that suffered by someone who runs afoul of them), or it may be a reference to the fact that a player who draws this hand requires great skill to win.