Character Relationship Map: Postman Blues

Characters

• Joe (played by Ren Osugi) — supporting

  Joe is an aimless middle-aged hitman who wants to return to a hitmen's tournament and reclaim his identity before dying. He becomes connected to Sawaki through the tournament card, survives an attack...

• Noguchi (played by Keisuke Horibe) — supporting

  Noguchi is Sawaki's former schoolmate who has become a yakuza while under police surveillance. He places amphetamines in Sawaki's mailbag, while his severed pinky accidentally follows them inside, cre...

• Detective (played by Akira Yamamoto) — minor
• Ran (played by Ryoko Takizawa) — supporting

Canonical Relationships

Family, romantic, and professional connections based on plot evidence.

• Joe → Ran (Romantic Love Interest) — Ran's declaration of love becomes a decisive emotional influence on Joe.

  A fellow contract killer shoots the detectives, professes her love for Joe, and restores his will to live.

Story Dynamics

Alliances, conflicts, and narrative interactions that evolve throughout the story.

• Joe → Detective (Conflict Armed Opponent) — Joe becomes directly threatened by the police investigation.

  The detectives corner Joe, but a fellow contract killer shoots them before they can continue the confrontation.

• Noguchi → Joe (Alliance Reluctant Ally) — Noguchi joins Joe in trying to deliver exculpatory evidence.

  After hearing about the manhunt, Joe and Noguchi realize that they possess evidence capable of clearing the accused postman.

• Noguchi → Detective (Conflict Surveillance Target) — Noguchi is monitored by the police because of his yakuza activities.

  Noguchi had become a yakuza member under police surveillance, and the police noticed the postman's visit to him.

Story Analysis

A mistaken criminal investigation transforms an aimless courier's life through love, unlikely solidarity, and a tragic spiritual reunion.

Plot Progression

1. The Dangerous Delivery — A routine delivery connects the courier to Noguchi and hidden contraband. Police surveillance begins after the suspicious visit.
2. A Letter Toward Love — The courier finds Sayoko's suicide note and visits her in the hospital. Their letters and shared outing create a fragile romance.
3. The False Murderer — Detectives photograph the contraband and consult a profiler. The resulting theory falsely brands the courier as a serial murderer.
4. Evidence Across The Bay — Noguchi searches for the missing finger while Joe receives the tournament card. The courier delivers the finger and continues toward Sayoko.
5. The Final Bridge — Ran saves Joe, and Joe joins Noguchi in carrying evidence that could clear the accused courier. The police blockade ends the chase tragically.