Hokuto no Ken Zero: Kenshirou Den
English title: Fist of the North Star: Legend of Kenshiro
Japanese title: 真救世主伝説 北斗の拳 ZERO ケンシロウ伝
Type: Movie
Episodes: 1
Source: Manga
Genres: Action
Studios: TMS Entertainment
Duration: 1 hr 29 min
Rating: R - 17+ (violence & profanity)

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)