The Law of Asuras (2012)

Saji (Motomiya Yasukaze) and his junior Tera (Yamaguchi Yoshiyuki) are members of the Kicchou Clan, a fearless yakuza group known for its long history within Yokohama. The pair are close with the captain of the group, Godou (Ozawa Kazuyoshi), whom they admire as being a devout follower of the yakuza ideal of chivalry, and the three function much like a close-knit trio of brothers. The Kicchou-kai have so far maintained a balance with the rival Hama Family, who have territory across the river. However, tragedy begins to march on Saji, Tera, and Godou when suddenly the Chairman of the Kicchou Clan is assassinated by a member of the Hama Family ...

Unfortunately the movie The Law of Asuras is not yet available on HBO Max.