Last of the Shin Kyuuseishu Densetsu pentalogy. A prequel set between Kenshiro's defeat at the hands of Shin and the beginning of the manga. (Source: Wikipedia)
Watch Fist of the North Star: The Legend of the True Savior: Legend of Kenshiro online — subbed and dubbed, with automatic AniList / MyAnimeList progress sync.
Slavery · Martial Arts · Post-Apocalyptic · Tragedy · Shounen