SAVAGE WOLF PACK (1969)

A professional hunter, Tetsuya, returns from Alaska to find that his hometown had become a lawless slum. He is shocked to learn that his younger sister had committed suicide after being raped by unknown men. One day, he rescues a girl from being attacked by some gang, and discovers that the same gang had driven his sister to death. Using his lethal hunting skills, Tetsuya begins to take revenge…