Fist of the Blue Sky 3
AKA: Souten no Ken Re-Genesis Souten no Ken - Regenesis 2nd Season Souten no Ken: Regenesis (2018) Souten no Ken S3 Souten no Ken 3 Souten no Ken Regenesis 2nd Season Fist of the Blue Sky: Re:Genesis 2nd Season 蒼天の拳 REGENESIS 第2期
Plot Summary: It is just before WWII, Kasumi Kenshiro hides as a quiet, absent-minded professor teaching literature at a small women's college in Tokyo. Once the 62nd Grand Master of Hokuto Shinken, "God Fist of the North Star," and known has Yan Wang, or "the King of Death," who preserved the peace in the "City of Devils." A fighter of thugs and drug dealers, Kasumi seeks anonymity and a quiet life until the death of his lover, and former brothers, forces him to return to Shanghai to fulfill his destiny and avenge the deaths of his associates.