Character Relationship Map: Noise

Characters

• Keita Izumi (played by Tatsuya Fujiwara) — protagonist

  A local resident who successfully cultivates black figs, bringing hope of a 5 billion yen government grant to his declining island. When his daughter disappears, he and two friends accidentally kill t...

• Jun Tanabe (played by Kenichi Matsuyama) — protagonist

  Keita Izumi's close friend and business associate on Shishikari Island. He shares Keita's suspicion toward the mysterious newcomer and joins him in the accidental killing and subsequent cover-up to sa...

• Shinichiro Moriya (played by Ryunosuke Kamiki) — supporting

  A rookie police officer stationed on Shishikari Island. Alongside Keita and Jun, he suspects the mysterious newcomer and participates in the accidental homicide and cover-up, creating a tense conflict...

• Kana Izumi (played by Haru Kuroki) — supporting

  Keita Izumi's young daughter. Her sudden disappearance serves as the critical catalyst that drives Keita, Jun, and Shinichiro to confront Mutsuo, leading directly to the fatal accident and the subsequ...

• Tsutomu Hatakeyama (played by Masatoshi Nagase) — supporting
• Shoji (played by Akira Emoto) — minor
• Yoko Yokota (played by Nahana) — minor
• Mutsuo Omisaka (played by Daichi Watanabe) — supporting

  A mysterious newcomer who disrupts the island's fragile peace. Initially suspected by the locals, he is revealed to be a psycho killer. His accidental death at the hands of Keita and his friends trigg...

• Shoichi Yokota (played by Yoshi Sakō) — supporting

Canonical Relationships

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

• Shoji → Keita Izumi (Power Civic Promoter) — The mayor's public promotion links Keita's farm to the island's political and economic future.

  Shoji promotes Shishikari as a welcoming, crime-free community after Keita's fig project attracts national attention and qualifies for a revitalizatio...

• Tsutomu Hatakeyama → Shinichiro Moriya (Professional Investigative Counterpart) — Tsutomu becomes the officer who uncovers the consequences of Shinichiro's concealed confession.

  After Shinichiro dies, Tsutomu learns that Shinichiro had confessed before his death and had been driven into despair by the islanders' deception.

• Tsutomu Hatakeyama → Mutsuo Omisaka (Professional Investigator) — Tsutomu's investigation threatens to expose the circumstances of Mutsuo's death.

  Tsutomu investigates after the police believe that the supposed killer may still be on the island.

• Keita Izumi → Kana Izumi (Family Father) — Keita's protective response to Kana's disappearance helps trigger the main conflict.

  Kana is identified as Keita's young daughter, and her disappearance drives Keita, Jun, and Shinichiro to confront Mutsuo.

Story Dynamics

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

• Yoko Yokota → Keita Izumi (Alliance Cover-up Collaborator) — Yoko participates in the second cover-up that attempts to redirect police suspicion.

  Yoko and the others devise a plan to make it appear that Mutsuo killed the mayor and fled, while Keita claims responsibility for Mutsuo's death.

• Shoichi Yokota → Keita Izumi (Alliance Cover-up Ally) — Shoichi pressures Keita to prioritize collective concealment over disclosure.

  Shoichi urges Keita to preserve the secret after Mutsuo's death, while the residents struggle to protect the island's reputation and grant.

• Shoji → Mutsuo Omisaka (Conflict Threatened Witness) — Shoji becomes a dangerous witness to the conspiracy.

  Shoji discovers the truth about Mutsuo's death and is subsequently killed when the residents attempt to preserve their cover-up.

• Shinichiro Moriya → Mutsuo Omisaka (Conflict Suspicious Adversary) — Mutsuo's presence places Shinichiro between suspicion, violence, and police duty.

  Shinichiro suspects Mutsuo alongside Keita and Jun, and participates in the incident followed by the cover-up.

• Jun Tanabe → Mutsuo Omisaka (Conflict Suspicious Adversary) — Jun views Mutsuo as a threat to the island and becomes involved in the fatal incident.

  Jun shares Keita's suspicion toward the mysterious newcomer and joins the confrontation that leads to Mutsuo's accidental death.

• Keita Izumi → Mutsuo Omisaka (Conflict Accidental Killer And Victim) — Mutsuo's death directly creates Keita's central moral and legal crisis.

  The residents hide Mutsuo's body after an incident involving them, and Keita later claims responsibility for Mutsuo's death to shield the group.

• Jun Tanabe → Shinichiro Moriya (Alliance Complicit Ally) — Jun and Shinichiro share responsibility for protecting the island's secret.

  The character background states that Jun and Shinichiro join Keita in the accidental killing and subsequent cover-up.

• Keita Izumi → Shinichiro Moriya (Alliance Complicit Ally) — Their community loyalty temporarily overrides Shinichiro's professional duty.

  Shinichiro joins Keita and the other residents in dealing with Mutsuo Omisaka's death and participates in the concealment despite being the island's p...

• Keita Izumi → Jun Tanabe (Alliance Close Friend And Business Partner) — They are close friends and collaborators whose shared economic hopes lead them into the cover-up.

  Keita is developing the black fig farm, while Jun considers leaving hunting to work with him. They later act together to conceal Mutsuo Omisaka's deat...

Story Analysis

A struggling island's attempt to protect its future becomes a widening conspiracy that destroys its moral and public identity.

Plot Progression

1. Figs Beneath the Sun — Shishikari Island appears peaceful but faces demographic and economic decline. Keita's black fig farm offers a possible future, and Jun considers joining the project.
2. Prosperity Under Watch — Media attention and a regional revitalization grant make the fig project a symbol of the island's survival. The community's optimism is threatened when Kana disappears and suspicion falls on Mutsuo.
3. The Hidden Body — A confrontation with Mutsuo ends in an accidental death. Keita, Jun, Shinichiro, and other residents hide the body rather than risk an investigation that could destroy the island's future.
4. A Conspiracy Expands — Tsutomu investigates while Shinichiro struggles with the conflict between police duty and community loyalty. After Shoji discovers the truth, the residents create a second cover-up and move evidence.
5. The Island Exposed — Shinichiro dies after being driven into despair, and Tsutomu learns of his confession. A message identifies the body beneath the fig trees and names Keita, collapsing the island's carefully maintained...