The Outsider (2018)

Synopsis:An epic set in post-WWII Japan and centered on an American former G.I. who joins the yakuza. 1952 Japan a former American Army Captain Nick Lowell is in an Osaka prison where he saves Kiyoshi, a yakuza, from being hung to death. This meeting starts Nick down the path of becoming a fellow brother in the Shiromatsu yakuza family.