Hangure vs Yakuza (2013)

After his boss died while he was in prison, Eiji gave up his gangster business. He comes to his senses when he learns that his brother Nagaoka, who entrusted the group to him, was killed by young people called Hangure. The main culprit, Kagetora, sees the yakuza as hostile to Eiji. Old fashioned yakuza Eiji takes action

Unfortunately the movie Hangure vs Yakuza is not yet available on HBO Max.