Golgo 13: Assignment Kowloon (1977)

Duke Togo (codename: Golgo 13) is a ruthless assassin who's accepted a tricky assignment from an American drug syndicate. His mission is to "rub out" Hong Kong's underworld kingpin. His main obstacle is the relentless Detective 'Smitty' Smith, determined to stop Togo no matter the cost. The result is an explosive adventure through the seamy, violent streets of Hong Kong.