Story Structure — 4 Plot Phases
Discovery and Secrecy
Tetsu hides Cenco at school while Yuki accidentally discovers and forces its true form to appear. They then journey into town together, unaware of the impending threat.
Key Events
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Amorphous Creatures Appear — Large white creatures appear in the town. Characters: Tetsu (voice)
Location: Town modeled after Sapporo
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Tetsu Hides Cenco — Tetsu keeps Cenco secret and controls it telepathically. Characters: Tetsu (voice)
Location: School
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Yuki Discovers Cenco — Yuki finds Cenco transformed into a bicycle. Characters: Yuki (voice)
Location: School
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Accidental Transformation — Yuki pokes Cenco in the eye, forcing it to reveal its true form. Characters: Yuki (voice), Tetsu (voice)
Location: School
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Journey into Town — Yuki insists on accompanying Tetsu and Cenco into town. Characters: Tetsu (voice), Yuki (voice)
Location: Town streets
Hostage and Escalation
Shuu confronts Tetsu to steal Cenco and takes Yuki hostage on a tall building ledge. The battle intensifies as Cenco loses an arm and Tetsu is temporarily incapacitated.
Key Events
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Journey into Town — Yuki insists on accompanying Tetsu and Cenco into town. Characters: Tetsu (voice), Yuki (voice)
Location: Town streets
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Shuu's First Confrontation — Shuu confronts Tetsu to obtain Cenco. Characters: Shuu (voice), Tetsu (voice), Yuki (voice)
Location: Town
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Tetsu Fends Off Shuu — Tetsu protects Yuki and defeats Shuu's creature. Characters: Tetsu (voice), Shuu (voice)
Location: Town
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Shuu Demands Rematch — Shuu forces Yuki to tell Tetsu to meet and fight again. Characters: Shuu (voice), Yuki (voice)
Location: Town
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Yuki Taken Hostage — Shuu takes Yuki hostage to force Tetsu's arrival. Characters: Shuu (voice), Yuki (voice)
Location: Tall building ledge
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Distant Attack Begins — Shuu attacks Tetsu from afar during the standoff. Characters: Shuu (voice), Tetsu (voice)
Location: Tall building
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Cenco Loses an Arm — Shuu's attack cuts off one of Cenco's arms. Characters: Shuu (voice)
Location: Tall building
Control Shift and Siege
Yuki takes command of Cenco and is swallowed by Shuu's larger creature, where she seizes control of it. The military immediately responds with a heavy tank and missile assault.
Key Events
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Cenco Loses an Arm — Shuu's attack cuts off one of Cenco's arms. Characters: Shuu (voice)
Location: Tall building
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Arm Replacement Ritual — Cenco removes Tetsu's arm to repair its own, incapacitating him. Characters: Tetsu (voice)
Location: Tall building
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Larger Creature Arrives — Shuu arrives with a much larger creature. Characters: Shuu (voice)
Location: Tall building
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Yuki Enters Cenco — Cenco takes Yuki inside its body where Tetsu is. Characters: Yuki (voice), Tetsu (voice)
Location: Cenco's body
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Control Transfer to Yuki — Yuki takes control of Cenco from Tetsu. Characters: Yuki (voice)
Location: Cenco's body
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Cenco Eaten by Larger Creature — Shuu's larger creature eats Cenco along with Yuki inside. Characters: Yuki (voice)
Location: Town
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Yuki Seizes Larger Creature — Yuki takes control of the larger creature from within. Characters: Yuki (voice)
Location: Town
Final Stand and Aftermath
Shuu fails to reclaim control and severs the link. Tetsu returns, Yuki defeats Shuu, and Cenco restores Tetsu's arm, concluding the conflict.
Key Events
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Yuki Seizes Larger Creature — Yuki takes control of the larger creature from within. Characters: Yuki (voice)
Location: Town
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Military Assault Begins — Military attacks with tanks and missiles. Characters: Yuki (voice)
Location: Town
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Walnut Transformation — Yuki changes the creature's shape to a massive walnut. Characters: Yuki (voice)
Location: Town
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Allies Separated — Tetsu and Yuki are separated during the chaos. Characters: Tetsu (voice), Yuki (voice), Shuu (voice)
Location: Town
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Shuu Fails to Regain Control — Shuu tries to take control but severs the link, killing the creature. Characters: Shuu (voice)
Location: Town
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Tetsu Returns with Cenco — Tetsu makes it back to where Yuki and Shuu are. Characters: Tetsu (voice)
Location: Town
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Shuu Knocked Out — Yuki knocks Shuu out using Cenco transformed into a bat. Characters: Yuki (voice), Shuu (voice)
Location: Town
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Tetsu's Arm Restored — Yuki transforms Cenco into Tetsu's lost arm, restoring it. Characters: Yuki (voice), Tetsu (voice)
Location: Town
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Shuu Rescued — Shuu is rescued by his other creature as the story ends. Characters: Shuu (voice)
Location: Town
A giant monster sends a town's citizens into a panic, except for a girl named Yuki and her schoolmate Tetsu. Tetsu happens to have his own strange creature named Cenco as a pet. Another boy named Shuu controls the monster threatening the town, and the stage is set for a battle.