Outrage

The Grand Yakuza leader of the Sanno-kai, Sekiuchi commands a vast criminal empire with a mix of charisma and ruthless precision. His opulent estate serves as the nerve center for alliances and betrayals. His plan to keep rivals in line triggers a deadly chain of events that reveals the fragility of loyalty in the criminal world.

Underboss who orders Ikemoto to rein in Murase, orchestrating the plan that fractures the Murase-gumi. His scheming moves set off a cascade of confrontations and betrayals that culminate in a brutal struggle for the leadership of the Sanno-kai. By the end, he kills Sekiuchi to take control.

Chief lieutenant of Sekiuchi who passes the task of bringing Murase's gang in line to Otomo. He appears loyal but is driven by orders that push Murase toward ruin. His actions are instrumental in the escalation that ends with Ikemoto's death.

Leader of Murase-gumi who is unaware of his falling out from Sekiuchi's good graces; he tries to restore order by seeking Ikemoto's aid, but is worn down by escalating pressure; his downfall is marked by the loss of resources and power.

Otomo runs his own crew under Sekiuchi's command and implements the ruse that triggers the war: an insider planted in Murase's nightclub. He ends up in a maximum-security prison and is involved in a stabbing incident with Kimura, highlighting his ruthless efficiency and willingness to break rules.

Murase's chief lieutenant who bears the scars inflicted by Otomo; he remains loyal to Murase while navigating a treacherous web of alliances. He participates in violent confrontations and is involved in a prison ambush where Otomo is attacked.