Character Relationship Map: Eureka: Eureka Seven Hi-Evolution

Characters

• Eureka Thurston (played by Kaori Nazuka) — protagonist

  Mysterious girl connected to the Coral Reef, Renton's partner.

• Iris McKenzie (played by Rina Endou) — protagonist

  Member of the Green Earth resistance movement.

• Dewey Novak (played by Koji Tsujitani) — supporting
• Holland Novak (played by Toshiyuki Morikawa) — supporting

  Gekko captain and mentor figure to Renton.

Canonical Relationships

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

• Holland Novak → Dewey Novak (Family Brothers) — Their shared childhood and Dewey's regret over not listening to Holland connect their family bond to the unfolding crisis.

  Holland speaks with Dewey about their childhood and about seeing Eureka alive. Dewey later wonders whether events might have differed if he had listen...

Story Dynamics

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

• Eureka Thurston → Iris McKenzie (Alliance Protective Travel Companions) — Eureka protects Iris while they travel, then builds understanding with her by discussing Iris's longing for her parents and Eureka's unwanted power.

  Eureka travels with Iris, who is forbidden to contact her parents because her phone could reveal their location. After Iris secretly calls home, pursu...

Story Analysis

A planetary crisis links the consequences of past choices with Eureka's struggle to accept responsibility for her power.

Plot Progression

1. The Red Catastrophe — A gigantic red entity appears over Tokyo, and the Children of Earth claim the right to exist. Green Earth forces help contain the entity, creating the structure named Khepsis.
2. Brothers and Pursuers — Years later, Holland and Dewey discuss their childhood and seeing Eureka alive before soldiers arrive to arrest Dewey. Elsewhere, Eureka travels with Iris, who is warned not to contact her parents.
3. A Secret Call — Iris secretly calls home, allowing pursuers to catch up with the pair. Eureka scolds her, but they begin to understand each other's pain and burdens.
4. Khepsis Falls from Orbit — Khepsis threatens to collide with Earth, and forces from both sides try unsuccessfully to destroy it. Its altered orbit leaves the available photon energy seemingly inadequate to divert it.
5. A Risk and an Uncertain Future — Dewey exceeds the safe limit of photon power and changes Khepsis's course. Armies send ships to guide the station, while Eureka confronts her responsibility and the possible return of her power; the o...