Story Structure — 5 Plot Phases
A Path Beyond School
Bobby and Akkun celebrate their craft projects and discover a mountain route toward a neighboring village. They secretly plan an expedition while Yakkun is excluded and their friendship is mocked.
Key Events
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School Craft Celebration — Bobby and Akkun celebrate their school craft projects together. Characters: Bobby, Akkun / Yakkun
Location: School
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Mountain Path Revelation — Akkun reveals a mountain route toward a neighboring village. Characters: Bobby, Akkun / Yakkun
Location: School surroundings
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Secret Expedition Plan — Bobby and Akkun decide to leave early the next morning. Characters: Bobby, Akkun / Yakkun
Location: The children's neighborhood
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Yakkun Is Excluded — Yakkun is left out of the secret mountain expedition. Characters: Bobby, Akkun / Yakkun
Location: The children's neighborhood
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Friendship Mockery — Another child mocks Akkun and his friendship with Bobby. Characters: Bobby, Akkun / Yakkun
Location: School
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Mountain Journey Begins — Bobby and Akkun follow the revealed path through the mountains. Characters: Bobby, Akkun / Yakkun
Location: Mountain path
The Park Without Escape
The boys reach Violence Voyager and accept Koike's invitation to enter the neglected attraction. A hidden girl, a vanished bridge, and mechanical captors reveal that the park is a deadly trap.
Key Events
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Mountain Journey Begins — Bobby and Akkun follow the revealed path through the mountains. Characters: Bobby, Akkun / Yakkun
Location: Mountain path
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Violence Voyager Appears — The boys reach a neglected attraction in the mountains. Characters: Bobby, Akkun / Yakkun
Location: Violence Voyager
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Koike Offers Entry — Koike invites the hesitant children inside for free. Characters: Bobby, Akkun / Yakkun, Koike
Location: Violence Voyager entrance
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A Desperate Operator — Koike explains that he built most of the attraction and needs visitors. Characters: Bobby, Akkun / Yakkun, Koike
Location: Violence Voyager
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The Attraction Turns Terrifying — The attraction changes from neglected amusement to a terrifying trap. Characters: Bobby, Akkun / Yakkun, Koike
Location: Violence Voyager
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Hidden Girl Found — The children find a frightened girl hiding inside the attraction. Characters: Bobby, Akkun / Yakkun
Location: Violence Voyager
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The Bridge Disappears — The bridge connecting the park to the outside world is gone. Characters: Bobby, Akkun / Yakkun
Location: Violence Voyager bridge
Inside Koike's Facility
Bobby and Akkun are imprisoned among robots and other captive children. At home, Yoshiko becomes worried, while George searches for Bobby and learns that Koike controls the mountain facility.
Key Events
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Mechanical Capture — Strange mechanical beings capture Bobby and Akkun. Characters: Bobby, Akkun / Yakkun, Koike
Location: Violence Voyager
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Facility of Captives — Bobby and Akkun are taken to a facility containing robots and imprisoned children. Characters: Bobby, Akkun / Yakkun, Koike
Location: Mountain facility
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Yoshiko Becomes Worried — Yoshiko becomes worried when Bobby does not return home. Characters: Bobby, Yoshiko / Sayaka
Location: Bobby's home
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George Starts Searching — George searches for Bobby after learning he is missing. Characters: George, Yoshiko / Sayaka
Location: The surrounding mountain area
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Koike Identified — George learns that Koike is responsible for the facility above the cliff. Characters: George, Koike
Location: Mountain area
Bodies Changed by Science
George confronts Koike but finds Bobby horribly injured and transformed. Bobby survives a fall, hears Takaaki's warning, and returns inside to rescue Akkun.
Key Events
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George Enters Compound — George enters the compound and confronts Koike over Bobby's captivity. Characters: George, Bobby, Koike
Location: Mountain compound
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Bobby Is Transformed — George finds Bobby horribly injured and altered by Koike's experiments. Characters: Bobby, George, Koike
Location: Koike's facility
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Bobby Survives the Fall — Bobby escapes the facility, falls a great distance, and survives. Characters: Bobby, Koike
Location: Cliff below the facility
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Takaaki Reveals the Exit — Takaaki tells Bobby how to find an exit and asks him to save Akkun. Characters: Bobby, Takaaki, Koike
Location: Koike's facility
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Takaaki Nears Death — Takaaki reveals that his transformation is fatal and he cannot survive much longer. Characters: Bobby, Takaaki
Location: Koike's facility
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Akkun Carried Outside — Bobby finds Akkun and carries him out while Akkun remains badly injured. Characters: Bobby, Akkun / Yakkun
Location: Mountain facility exit
The Choice to Return
Bobby escapes with the badly injured Akkun, while George is lost. After learning more about Koike's experiments and Takaaki's history, Bobby chooses to return for another victim.
Key Events
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George Is Lost — Bobby escapes with Akkun, while George has also been lost. Characters: Bobby, George, Akkun / Yakkun
Location: Mountain compound
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The Old Man Treats Bobby — An old man treats Bobby and explains that Koike modified his body. Characters: Bobby, Takaaki, Koike
Location: The old man's shelter
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Bobby Chooses Resistance — Bobby learns more about Takaaki and insists on returning to rescue a girl. Characters: Bobby, Akkun / Yakkun, Koike, Takaaki
Location: The old man's shelter