City of DarknessKaranlığın Şehri; Kowloon Walled City; مدينة الظلام; 九龙城寨; 九龍城寨

From: Easy Going Scans Everyone in his Yakuza gang looked up to him. He was the boss's favorite pupil, but then in a single night, after he had won so many territorial fights for his gang, he lost everything! Why?