You may want to peep into the life of mafia in Tokyo, for real,
this is a documentary of the YAKUZA, 極道.
Thanks to Anton Kusters, who successfully went in as a shadow,
tailing them in 24 months, attended secret meetings, night clubs, combat training and even funerals.
an insight that normal people wouldn't get to see, has been published and sold out.
Fortunately, 2nd edition is coming out,
grab it by end of Oct.