In 1989, he was defrauded while working and resold to a black farm in Japan. After Chen Hua escaped by blowing up a black farm on his own, he was rescued by Liu Jianguo in Ibaraki. Later, Liu Jianguo's enemies came to kill Liu Jianguo. Chen Hua fled to Tokyo after taking revenge on Liu Jianguo. With the help of himself and various friends, he slowly established a foothold in Japan's gray industry. He later led everyone to fight gangs in Japan, fight injustices for the Chinese, and unite various local groups to safeguard national interests. This novel has no gorgeous words and no ups and downs in the plot. It is adapted from the real stories of the author and the author's friends in Japan for decades. The book fully demonstrates the life of the Chinese at the bottom and the top in Japan during the thirty years when Japan disappeared. It shows you a different life at the bottom and gray areas of Japan from another perspective.