Character Relationship Map: Case Closed: Countdown to Heaven

Characters

• Conan Edogawa (played by Minami Takayama) — protagonist

  Brilliant teenage detective transformed into a child who secretly investigates crimes while seeking a way to restore his body.

• Ai Haibara (played by Megumi Hayashibara) — supporting

  Former Black Organization scientist who created the poison and shrunk herself.

• Housui Kisaragi (voice) (played by Ichiro Nagai) — minor

  Voice actor for the minor character Housui.

• Hiroshi Agasa (played by Kenichi Ogata) — supporting

  Inventor and mentor who provides Conan with gadgets, shelter, and dependable intellectual support.

• Akemi Miyano (voice) (played by Sakiko Tamagawa) — minor

  Voice actor for Haibara's deceased sister.

• Vodka (voice) (played by Fumihiko Tachiki) — minor

  Voice actor for the low-ranking Black Organization enforcer.

Canonical Relationships

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

• Ai Haibara → Akemi Miyano (voice) (Family Sisters) — Ai's grief over her deceased sister is part of the Black Organization storyline.

  The plot identifies Akemi as Ai's sister. Ai is grieving her death and says hearing her sister's voice helps calm her.

Story Dynamics

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

• Conan Edogawa → Vodka (voice) (Conflict Opponents) — Conan obstructs the search for Ai.

  Conan disconnects the phone line from Dr. Agasa's house while Vodka and another Black Organization member are listening to locate Ai.

• Conan Edogawa → Housui Kisaragi (voice) (Conflict Detective And Suspect) — Conan exposes Kisaragi's murder and prevents his suicide attempt.

  Conan investigates the tower murders, identifies Kisaragi as Madison's killer, and confronts him inside the burning tower.

• Ai Haibara → Vodka (voice) (Conflict Black Organization Adversaries) — Vodka is involved in the effort to find Ai.

  Vodka searches Akemi's empty apartment while seeking Ai, and he later joins the search for her at the Twin Towers.

• Ai Haibara → Hiroshi Agasa (Alliance Household Support) — Agasa's home serves as a place of shelter for Ai.

  Ai is at Dr. Agasa's house, where she speaks by phone while members of the Black Organization listen in.

• Conan Edogawa → Hiroshi Agasa (Alliance Mentor And Protégé) — Agasa provides Conan with shelter and support during the investigation.

  Conan is staying at Dr. Agasa's house, and he disconnects the phone line there to prevent the Black Organization from tracking Ai.

• Conan Edogawa → Ai Haibara (Alliance Teammate) — They cooperate while investigating the danger surrounding the Twin Towers.

  Conan and Ai travel with the Junior Detective League and Dr. Agasa. Conan also acts to protect Ai when the Black Organization tries to locate her.

Story Analysis

A tower murder investigation and a search for Ai converge as the Twin Towers become the setting for a deadly fire and escape.

Plot Progression

1. A Visit Shadowed by Danger — The camping trip and visit to the Twin Towers intersect with the search for Ai. A murder at the towers begins a separate investigation.
2. Clues and Rising Suspicion — The Junior Detective League questions suspects as a second murder deepens the case. Ai's grief and the search for her add pressure to the investigation.
3. A Killer Unmasked — The grand opening proceeds despite the danger, and a body is revealed on stage. Conan uses Ai's hint and physical clues to identify Kisaragi.
4. Fire and Escape — Bombs ignite the towers while the characters try to escape. Conan confronts Kisaragi, saves the children, and the search for Ai is abandoned.