Character Relationship Map: A Killer's Key

Characters

• Nitta (played by Raizō Ichikawa) — protagonist

  A lone-wolf assassin who poses as a traditional dance instructor and is called in to avert a financial scandal involving a powerful yakuza group.

• Yasujiro Endo (played by Kō Nishimura) — supporting

  A supporting character in the story of assassin Nitta and a threatened financial scandal; further details are not specified.

• Asakura (played by Asao Uchida) — supporting

  A supporting character in A Killer's Key; the available plot summary does not specify Asakura's individual role.

Story Dynamics

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

• Asakura → Yasujiro Endo (Conflict Target Of A Cover-Up) — Endo is implicated in suppressing evidence connected to Asakura and acknowledges that the records motivated Asakura's elimination.

  Endo says he bought and burned Asakura's records, and later admits those records were the reason Asakura had to be eliminated.

• Nitta → Yasujiro Endo (Conflict Assassin And Adversary) — Nitta pursues the people behind Asakura's killing and confronts Endo over the records and the order for the assassination.

  Endo admits Asakura's records were the reason Asakura had to be eliminated. Nitta refuses Endo's money and demands to know who ordered the assassinati...

• Nitta → Asakura (Conflict Assassin And Target) — Nitta accepts a paid contract to kill Asakura and carries it out, setting the larger investigation in motion.

  Araki asks Nitta to assassinate Asakura, and the plot states that Asakura is killed.

Story Analysis

An assassin presumed dead returns to pursue the people connected to a killing and the suppression of evidence.

Plot Progression

1. The Contract Takes Shape — Nitta is introduced as a dance teacher who keeps his distance from a young woman. He accepts a paid assignment to kill Asakura and is given three days to prepare.
2. A Killing and a Disappearance — Asakura fears his associates will prevent him from exposing their wrongdoing. After Asakura is killed, Nitta's car falls into a canyon, but no body is found.
3. Records and a False Death — Asakura's records become important to the investigation, while those involved grow wary that Nitta may have survived. Endo says he bought and burned the records to erase evidence.
4. Endo's Admission — Nitta reappears and pursues the people behind the killing. Endo admits the records motivated Asakura's elimination, but Nitta rejects his money and demands the identity of the person who ordered the a...
5. The Unresolved Airport Lead — A phone call directs Nitta to airport waiting room 3A, following a lead connected to Endo's circle. The excerpt ends with Nitta heading toward the location, leaving the outcome unresolved.