Hororo: I guess that's "Never pull out, never flatter, and never look back" for you.
First of the North Star.
Kenshiro is the sole heir of the deadly 2000 year old martial art , Hokuto Shinken. He is on a quest for vengeance after being betrayed by a former friend , Shin , who mutilates Ken's body and steals his girlfriend Julia. Bandits and rival martial artists await him in a post-apocalyptic wasteland.