Character Relationship Map: Amagi Pass

Characters

• Matsunojo Tajima, the cop (played by Tsunehiko Watase) — protagonist

  Tajima is the police investigator who reopens and reconstructs the decades-old murder connected with Amagi Pass. He examines the footprints, Kenzo's movements, the ice-storage facility, and the incons...

• Hana Otsuka, prostitute (played by Yuko Tanaka) — supporting

  Hana is a prostitute whom fourteen-year-old Kenzo meets while crossing Amagi Pass. Kenzo says they walk and talk toward the mountain before separating near the tunnel, with him descending ahead of her...

• Kenzo Onodera (played by Mikijiro Hira) — supporting

  Kenzo is a fourteen-year-old runaway and the son of a blacksmith. He admits crossing Amagi Pass, meeting Hana, and later continuing toward Yuga, but denies knowing about the murdered laborer or the ic...

• Kenzo Onodera (played by Yōichi Itō) — supporting
• Kenzo's mother (played by Kazuko Yoshiyuki) — supporting
• Ryosaku's wife (played by Kirin Kiki) — supporting
• Ryosaku Tsuchiya (played by Renji Ishibashi) — supporting
• Police (played by Katsunobu Ito) — minor

Canonical Relationships

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

• Ryosaku's wife → Ryosaku Tsuchiya (wife)
• Kenzo's mother → Kenzo Onodera (mother)
• Police → Hana Otsuka, prostitute (Professional Witness Source) — Her encounter provides investigative information about Kenzo's movements.

  Hana's meeting with Kenzo is part of the account used to reconstruct his passage across Amagi Pass.

• Police → Kenzo Onodera (Power Investigative Subject) — Police scrutiny places Kenzo under suspicion.

  The investigation examines Kenzo's movements, foot size, route, money, and overnight whereabouts in relation to the murder.

• Matsunojo Tajima, the cop → Police (Professional Police Colleague) — Tajima works within the police investigation but later criticizes its oversight.

  The case begins as a police investigation, and Tajima later reflects on how the police overlooked the possibility that Kenzo hid in the storage facili...

• Matsunojo Tajima, the cop → Hana Otsuka, prostitute (Professional Questioned Witness) — Hana's connection to Kenzo makes her relevant to Tajima's inquiry.

  Tajima's investigation follows Hana's reported meeting with Kenzo and uses the encounter to test Kenzo's account of the night.

Story Dynamics

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

• Kenzo Onodera → Hana Otsuka, prostitute (Social Travel Companion) — Their brief meeting establishes Kenzo's route and timeline.

  Kenzo admits that he met Hana while crossing Amagi Pass, and that they talked while walking toward the mountain before separating near the tunnel.

• Matsunojo Tajima, the cop → Kenzo Onodera (Conflict Investigator And Suspect) — Tajima reconstructs the case while increasingly suspecting Kenzo.

  Tajima investigates Kenzo's account and finds that his reported foot size, route, and movements fit the evidence surrounding the murder.

Story Analysis

A police reconstruction turns physical clues and an incomplete testimony into enduring suspicion without a final legal judgment.

Plot Progression

1. Rain, Tracks, And Clues — Tajima investigates the old murder after a laborer disappears during heavy rain. The storage facility, small footprints, lodging-house traces, and warning-bearing bill create an unsettling trail.
2. The Runaway's Testimony — The investigation turns toward Kenzo, a fourteen-year-old runaway. He describes crossing Amagi Pass, meeting Hana, and separating from her near the tunnel.
3. A Story Under Pressure — Kenzo denies any knowledge of the murder or storage facility. Tajima discovers that Kenzo's foot size and unexplained movements conflict with his account.
4. The Hidden Sleeping Place — The investigation develops the possibility that Kenzo sheltered inside the storage room during the storm. Tajima later recognizes how the ladder and boards could have hidden him above the sawdust.
5. Suspicion Without Judgment — Kenzo's whereabouts on the day of the murder remain unresolved despite his return home. Forty years later, the statute of limitations prevents a legal conclusion, leaving Tajima with suspicion and reg...