Golgo 13: Assignment Kowloon (1977)
A HK cop investigates several similar murders done by Chows men Golgo 13, top sniper, is the 4th assassin hired to kill HK drug lord Chow for Americans wanting the HK drug market
Karate Kiba (1976)
Karate master and anti drug vigilante Kiba returns to his home in Japan, where he aims to wipe out the nations drug industry