Story Structure — 4 Plot Phases
An Old Murder Reopened
Hoshino is moved to a quiet post after exposing powerful figures, and Boss warns him away from Miyako. Hoshino investigates the unsolved maid murder despite the warning and follows Miyako's accusation toward Ukyo.
Key Events
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A Pursued Man's Vow — A pursued man vows to perform his duty until the very last moment.
Location: Unspecified
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Hoshino's Quiet Posting — After exposing powerful figures, Hoshino is assigned to a quiet post. Characters: Detective Hoshino
Location: Police post
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Boss's Warning — Boss warns Hoshino to stay away from Miyako and the old murder case. Characters: Detective Hoshino, Boss
Location: Unspecified
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The Setagaya Murder — Hoshino investigates the unsolved murder of a maid from fourteen years earlier. Characters: Detective Hoshino, Miyako
Location: Miyako's Setagaya mansion
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Miyako Names Ukyo — Miyako identifies Ukyo Kuronuma as the maid's killer. Characters: Detective Hoshino, Miyako, Ukyo Kuronuma
Location: Unspecified
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The Businessman's Secret — Hoshino follows Miyako's lead to the wealthy businessman, who appears to hide a violent secret. Characters: Detective Hoshino, Ukyo Kuronuma
Location: Unspecified
Blood and Immortality
Hoshino confronts Ukyo, is overpowered, and is revived with Miyako's blood. He learns about the centuries-long existence of Miyako and Ukyo, Brigitte's dependence on Miyako's blood, and his own unusual condition.
Key Events
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The Businessman's Secret — Hoshino follows Miyako's lead to the wealthy businessman, who appears to hide a violent secret. Characters: Detective Hoshino, Ukyo Kuronuma
Location: Unspecified
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Hoshino Accuses Ukyo — Hoshino accuses Ukyo of killing the maid and another young woman. Characters: Detective Hoshino, Ukyo Kuronuma
Location: Unspecified
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The Detective Is Overpowered — Ukyo's people overpower Hoshino after the detective confronts him. Characters: Detective Hoshino, Ukyo Kuronuma
Location: Unspecified
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Miyako's Blood Revives Him — Miyako's blood revives Hoshino and binds him to feed on the living. Characters: Detective Hoshino, Miyako
Location: Unspecified
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The Blood's Long History — Hoshino learns that Miyako and Ukyo have endured for centuries through a mysterious blood shared by a few. Characters: Miyako, Ukyo Kuronuma, Brigitte
Location: Unspecified
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Brigitte's Survival — Brigitte has survived for more than three centuries by drinking small amounts of Miyako's blood. Characters: Miyako, Brigitte
Location: Unspecified
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Hoshino's Rare Blood — Hoshino discovers that his unusual blood makes him an exception to the condition's rules. Characters: Detective Hoshino
Location: Unspecified
The Cost of Endless Life
Miyako explains how jealousy and the need for blood drove Ukyo to murder. Hoshino recognizes that ordinary justice cannot end their existence, while Brigitte reveals the condition needed to defeat Ukyo.
Key Events
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Hoshino's Rare Blood — Hoshino discovers that his unusual blood makes him an exception to the condition's rules. Characters: Detective Hoshino
Location: Unspecified
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Ukyo's Violent Jealousy — Miyako explains that jealousy and his need for blood drove Ukyo to kill young women. Characters: Miyako, Ukyo Kuronuma
Location: Unspecified
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Justice Cannot End Eternity — Hoshino realizes ordinary justice cannot end the immortals' endless existence. Characters: Detective Hoshino, Ukyo Kuronuma
Location: Unspecified
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Brigitte Reveals the Weakness — Brigitte explains that Ukyo must be reduced to ashes while apparently dead, before his blood revives him. Characters: Brigitte, Ukyo Kuronuma
Location: Unspecified
The Final Plea
Hoshino and Brigitte confront Ukyo as he claims that he and Miyako are victims of eternity and that only he can love her. They condemn him and appeal for an end to the suffering, before Hoshino and Brigitte ask for eternal sleep.
Key Events
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Ukyo Defends His Love — During the confrontation, Ukyo claims only he can love Miyako and calls them victims of eternity. Characters: Miyako, Ukyo Kuronuma, Detective Hoshino, Brigitte
Location: Unspecified
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A Plea to End Suffering — Hoshino and Brigitte condemn Ukyo as a murderer and appeal for an end to their suffering. Characters: Miyako, Ukyo Kuronuma, Detective Hoshino, Brigitte
Location: Unspecified
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The Eternal Sleep Request — In the aftermath, Hoshino and Brigitte ask to be sent into eternal sleep. Characters: Detective Hoshino, Brigitte
Location: Unspecified
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Souls in Darkness — The story closes on souls trapped in darkness and the destructive love linking Miyako and Ukyo. Characters: Miyako, Ukyo Kuronuma
Location: Darkness