Character Relationship Map: Impossibility Defense

Characters

• Tadashi Usobuki (played by Tori Matsuzaka) — protagonist
• Tomoko Tada (played by Erika Sawajiri) — supporting
• Asao Momose (played by Mackenyu) — supporting
• Takeru Kawabata (played by Shotaro Mamiya) — supporting
• Yoshiki Akai (played by Tet Wada) — supporting
• Yu Kimura (played by Erina Mano) — supporting
• Isao Kijima (played by Kensei Mikami) — supporting

Canonical Relationships

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

• Asao Momose → Isao Kijima (Professional Investigator And Case Subject)

  Asao Momose learns interrogation methods while investigating the unusual crimes, including the case involving Isao Kijima.

• Tomoko Tada → Isao Kijima (Professional Investigator And Case Subject)

  Tomoko investigates unusual crimes, including the case involving Isao Kijima and the psychological manipulation connected to it.

• Yoshiki Akai → Takeru Kawabata (Power Emergency Protection)

  Yoshiki Akai orders the police to respond after the bomber threatens Takeru Kawabata and children.

• Tadashi Usobuki → Yu Kimura (Professional Contract Killer And Client)

  Yu Kimura asks Tadashi Usobuki to kill her estranged sister.

• Tomoko Tada → Yoshiki Akai (Power Police Command Relationship)

  Yoshiki Akai orders the police to contact Lark Kindergarten and General Hospital after bombs are reported.

• Tomoko Tada → Asao Momose (Professional Police Colleagues)

  Asao Momose is introduced as Tomoko Tada's new colleague and learns how to interrogate suspects during the investigation.

Story Dynamics

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

• Tadashi Usobuki → Takeru Kawabata (Narrative Indirect Threat Connection)

  The final bombing crisis is connected to a previous contract involving Isao Kijima, while Takeru Kawabata is one of the people directly threatened by...

• Tomoko Tada → Takeru Kawabata (Alliance Protector And Endangered Person)

  A bomber threatens Takeru Kawabata and children, forcing Tomoko Tada to choose whom to save.

• Tadashi Usobuki → Isao Kijima (Conflict Contract-Related Adversaries)

  The plot includes a case involving Isao Kijima, and the bomber later reveals that a previous contract concerning Kijima helped finance the explosives.

• Tadashi Usobuki → Tomoko Tada (Narrative Investigator And Subject)

  Tomoko Tada investigates unusual deaths and crimes connected to the service in which Tadashi Usobuki is involved.

Story Analysis

A contract-killing mystery explores how intention, psychological manipulation, and impure motives produce consequences beyond ordinary physical violence.

Plot Progression

1. The Booth And The Rule
2. Deaths Without A Weapon
3. Contracts And Corrupted Motives
4. Jealousy Becomes A Confession
5. The Bombs Await An Answer