Plot Analysis Summary
The single-season narrative follows Lucy's escape and divided identity, the household that takes her in, the facility's pursuit, and revelations about past violence and fractured family bonds.
Story Structure — 5 Plot Phases
Escape and Arrival
Lucy escapes the offshore facility, is shot, and falls into the sea. Brain damage leaves her in the Nyu state, and she is taken in.
Key Events
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Lucy Escapes the Facility — Lucy escapes the laboratory after killing many guards, is shot in the head, and falls into the sea. Characters: Lucy / Nyuu
Location: Offshore facility near Kamakura
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Nyu Is Found — Brain damage leaves Lucy in an innocent, infantile personality state called Nyu, and she is found and taken in. Characters: Lucy / Nyuu
Location: Kamakura
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The Hunt Begins — Kurama's facility sends a task force to hunt Lucy, led by the assassin Bando. Characters: Lucy / Nyuu, Kurama
Location: Offshore facility and Kamakura
The Pursuit Widens
The facility sends a task force to hunt Lucy, and Bando's encounter with her becomes violent. Mayu also enters the orbit of the events surrounding Lucy.
Key Events
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Lucy Turns on Bando — After Nyu is struck, Lucy returns and attacks Bando, but reverts to Nyu before killing him. Characters: Lucy / Nyuu
Location: Kamakura beach
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Mayu Enters the Story — Mayu and her dog Wanta become connected to the events surrounding Lucy and the facility's pursuit. Characters: Mayu
Location: Kamakura
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Nana Fights Lucy — Nana tracks Lucy and fights her; Mayu encounters them, and Nana loses her limbs while temporarily impairing Lucy's control of her vectors. Characters: Lucy / Nyuu, Mayu
Location: Local cemetery
Household and Facility
Nana's fight with Lucy leaves both vulnerable, while the household takes Mayu in. At the facility, Chief Kakuzawa's order exposes the harsh treatment of Nana.
Key Events
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Mayu Is Taken In — After learning Mayu is homeless, the household invites her to stay, and guardianship is arranged. Characters: Mayu, Kouta (child) / Shirakawa
Location: Household
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Kurama Orders Nana's Death — Chief Kakuzawa orders Kurama to put Nana down because she is no longer useful. Characters: Kurama, Chief Kakuzawa
Location: Offshore facility
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Lucy’s Childhood Is Revealed — Lucy and Kohta's childhood connection is revealed, along with the killing of Kohta's father and sister after Lucy discovers his lie. Characters: Lucy / Nyuu, Kouta (child) / Shirakawa, Kanae
Location: Kamakura
Buried Histories
Lucy and Kohta's childhood connection is revealed alongside the killings that shaped their history. Kurama's past explains Mariko's birth and his decision to spare her.
Key Events
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Kurama’s Family Past — Kurama's past reveals his connection to the research project, the birth of his diclonius daughter Mariko, and his decision to spare her. Characters: Kurama, Mariko, Professor Kakuzawa Yu
Location: The diclonius research project
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Mariko Is Released — Mariko, identified as No. 35, is released to retrieve Lucy; she kills staff before a bomb detonated in her arm stops her. Characters: Mariko, Kurama
Location: Offshore facility
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The Bridge Battle — Mariko threatens Lucy, Mayu, and others; Nana disables Mariko's vectors and falls from the bridge as Mariko is taken away. Characters: Lucy / Nyuu, Mayu, Kurama, Mariko
Location: Bridge
Father and Daughter
Mariko is released and the conflict with Lucy escalates into a bridge battle. The final encounters expose Mariko's recognition of Kurama and her grief over their separation.
Key Events
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Lucy and Mariko Meet Again — Mariko regains her vectors and meets Lucy for a final confrontation; Lucy goes into shock after losing a horn. Characters: Lucy / Nyuu, Mariko, Kurama
Location: Unspecified
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Mariko Recognizes Kurama — Mariko realizes Kurama is her father and cries, believing he has abandoned her for Nana. Characters: Mariko, Kurama
Location: Near Lucy and Mariko's confrontation
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An Unresolved Final Encounter — The supplied episode summary ends during Kurama's final exchange with Mariko and does not provide further resolution. Characters: Lucy / Nyuu, Kurama, Mariko
Location: Near the final confrontation