Published April 1, 1998 by Shogakukan, price 619 yen + tax

A table of contents

prologue, The Golden Quadrangle which links Japan to "China"
Chapter 1, Men called a dragon Mafia
Chapter 2, A first army of Japan landing, the total picture of Taiwan nomadic people
Chapter 3, A hidden ritual of a blood and a duty and a money in Hong Kong black society.
Chapter 4, Black way of sea……Jyato(Snake Head)
Chapter 5, The source of china mafia "devil capital" Shanghai.

A shocking document approaching the new ruler who grasped a Japanese underworld!

Published April 20, 1994 by Shogakukan, price 1,500 yen

Contents of this book　
○ Rivalry of China Mafia raging in Japan night　
○ Men called "a dragon Mafia" in Kabukicho, Shinjuku　
○ At first It began by the landing of Taiwan Mafia　
○ Japanese yakuza avoided Taiwan mafia because they "fires a gun easily".
○ Devil capital, Shanghai where greed of "liberation" swirls　
○ The Hong Kong black society which peep at Japanese night　
○ China Mafia is born from the illegal entrant whom Snake Head sends into