Hmm...so is this like...Fist of the North Star, only in 1930s China or something? Episode 1 is already subbed, and based on the synopsis this is going to be a martial arts/gang-war drama, and the main guy is HUUUGE!
Edit: So this IS a PREQUEL to
Fist of the North Star! I realized it when I watched Episode 1...and THEN looked at the AniDB entry again! Stupid me for not seeing it earlier!