Character Relationship Map: X

Characters

• Kotori Monou (played by Junko Iwao) — protagonist

  Fuuma's younger sister and Kamui's childhood friend. Her presence and safety are pivotal to Kamui's emotional state and his initial desire to remain close to his friends.

• Kanoe (played by Atsuko Takahata) — supporting

  Fellow spiritual practitioner and Subaru's colleague. Involved in the same occult investigations, representing the professional network surrounding Subaru's cases.

• Karen Kasumi (played by Mami Koyama) — supporting

  Dragon of the Heavens and skilled warrior.

• Yuzuriha Nekoi (played by Yukana) — minor

  Dragon of the Heavens and Kamui's childhood friend.

• Subaru Sumeragi (played by Issei Miyazaki) — supporting

  Spirit medium protagonist of the Tokyo Babylon arc. Hired to investigate supernatural curses and serial killings in Tokyo, serving as a bridge between the occult investigations and the broader destiny...

• Nataku (played by Rica Matsumoto) — minor

  Dragon of the Earth and powerful warrior.

Canonical Relationships

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

• Kanoe → Subaru Sumeragi (Professional Colleague) — They belong to the same professional spiritual and investigative network.

  Kanoe is described as Subaru Sumeragi's colleague and a fellow spiritual practitioner involved in occult investigations.

Story Dynamics

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

• Subaru Sumeragi → Karen Kasumi (Alliance Faction Ally) — Their shared faction connects Subaru's spiritual role with Karen's combat role.

  The plot identifies Subaru Sumeragi as being with the Dragons of the Heavens and Karen Kasumi as a Dragon of the Heavens.

• Karen Kasumi → Yuzuriha Nekoi (Alliance Faction Ally) — They share allegiance to the faction seeking to protect mankind.

  Karen Kasumi and Yuzuriha Nekoi are both identified as members of the Dragons of the Heavens.

• Karen Kasumi → Nataku (Conflict Enemy Combatants) — Their opposing faction loyalties make them direct battlefield enemies.

  Karen Kasumi, identified as a Dragon of the Heavens, faces Nataku, identified as a Dragon of the Earth.

• Kanoe → Kotori Monou (Conflict Kidnapper And Captive) — Kanoe's abduction places Kotori at the center of the supernatural war.

  Kanoe kidnaps Kotori after the conflict between the two dragon factions escalates.

Story Analysis

A reluctant warrior enters a supernatural war and wins only by destroying the friend he hoped to protect.

Plot Progression

1. Return Beneath a Dark Omen — A young man returns to Tokyo after his mother's death and discovers a war between two supernatural factions. His reunion with childhood friends is immediately threatened by visions and violence.
2. The Abduction and the Choice — Kanoe abducts Kotori while the young man struggles to understand his destiny. A spiritual princess offers him a place among the defenders of mankind, but he initially rejects the burden.
3. Warriors Begin to Fall — The factional conflict intensifies as fighters on both sides confront one another. Fear for the missing friends finally pushes the young man into the war.
4. The Sacred Sword's Price — The discovery of a second Sacred Sword turns Kotori into a target. Her death and the deaths of other warriors accelerate Tokyo's destruction.
5. Victory in the Ruins — The young man is forced into a final battle against his transformed friend. He wins only by accepting unbearable personal loss and mourns amid the remains of Tokyo.