Tokyo Drifter

A loyal right-hand man to Kurata, Tetsu resists Otsuka's recruitment and remains devoted to protecting his boss and the club's interests. He attempts to rescue Yoshii but arrives too late, is captured, and endures a brutal journey that culminates in a determined return to confront his enemies. Ultimately, he chooses a solitary wanderer's path rather than binding himself to any one faction.

The Tokyo-based yakuza boss who contemplates retirement but finds his plans undermined by Otsuka's ambition. He manipulates debt to foreclose Kurata's assets and fights to preserve his empire, culminating in a public fall that ends in self-inflicted ruin. His arc explores the fragility of power and the price of betrayal.

A ruthless rival who engineers Kurata's downfall by seizing his debt and killing Yoshii. He relentlessly pressures Kurata to hand over more properties and orders his top hitman to eliminate Tetsu. His scheming culminates in a conflict that exposes the brutal, transactional nature of yakuza dominance.

Club Alulu's singer and Tetsu's love interest. She searches for Tetsu and represents a personal anchor amid the corporate and violent fray. Her plea for reunion underscores the human longing behind the violence and offers Tetsu a potential chance at normality, which he ultimately declines.

One of Otsuka's loyal men who helps execute the brutal business underworld's routines. He is implicated in the ongoing conflicts and is ultimately caught in the crossfire as the power struggle peaks. His fate intertwines with Mutsuko's and the others' in the climactic turmoil.

Otsuka's top hitman, a feared enforcer whose aggressive moves spark multiple confrontations. He sustains severe injuries in clashes with Tetsu's allies and eventually confronts his enemies in a final showdown, ultimately choosing suicide to avoid capture.

A former member of Otsuka who defects and becomes a crucial ally to Tetsu. He defends Tetsu and warns him about the fragility of trust within Kurata's circle, embodying a pragmatic approach to survival and loyalty.

Kurata's ally in the Nanbu region who runs a western-themed saloon and resists obeying orders that would hurt Tetsu. He provides critical aid to Tetsu and helps him navigate the dangerous power dynamics, underscoring a degree of independence within the yakuza world.

A moneylender who becomes entangled in Kurata's debt crisis. Under Otsuka's pressure, Yoshii is forced to sign over the debt, triggering fatal consequences and illustrating the ruthless leverage used by rival factions.

Tanaka's girlfriend who provides crucial information about Kurata's debt; she becomes a casualty of the escalating conflict when a crossfire incident misdirects gunfire and claims her life. Her death underscores the indiscriminate violence of the underworld's power plays.