Character Relationship Map: Aldnoah.Zero

Characters

• Inaho Kaizuka (played by Natsuki Hanae) — protagonist

  A calm and highly analytical high-school student of Shinawara who joins the Earth military after the Vers invasion begins. Known for his cold logic and precise tactics, he counters the far superior Ma...

• Slaine Troyard (played by Kensho Ono) — protagonist

  An Earth-born young man serving the Vers Empire who owes his life to Princess Asseylum; his unwavering loyalty to her drives him across the lines of the war. Torn between his Earth origins and his Mar...

• Asseylum Vers Allusia (played by Sora Amamiya) — supporting

  First Princess of Vers whose 2014 diplomatic mission attack triggers the renewed war.

• Eddelrittuo (voice) (played by Inori Minase) — supporting
• Yuki Kaizuka (played by Sayaka Ohara) — supporting

  Inaho's energetic older sister and a non-commissioned officer in the Earth military. She tries to keep her younger brother grounded even as combat takes over their lives. Stationed with the Shinawara...

• Rayet Areash (played by Sachika Misawa) — supporting

  A girl of Vers descent raised on Earth who harbors a bitter grudge against the Empire and its people; the destruction wrought by the Martian attack drives her to take up arms. Cold and distrustful at...

• Vlad (voice) (played by Hiroki Yasumoto) — minor
• Soma Yagarai (voice) (played by Kohsuke Toriumi) — minor
• Lemrina Vers Allusia (voice) (played by Shiina Natsukawa) — minor
• Koichiro Marito (played by Kazuya Nakai) — supporting

  A weathered Earth officer scarred by the earlier war with Mars who now trains young cadets at Shinawara. When the Vers invasion restarts, he is pulled back into combat alongside the students he mentor...

• Darzana Magbaredge (played by Ai Kayano) — supporting

  A confident and direct commanding officer of the United Earth military who takes charge of the Deucalion, the captured Vers vessel converted into humanity's counterattack platform. She coordinates gro...

• Saazbaum (played by Toru Okawa) — supporting

  A powerful Vers count and knight who secretly engineers the attack on Princess Asseylum to shatter the ceasefire and bring the Empire's full might down on Earth; his scheme ignites the second war. Hol...

• Cruhteo (played by Show Hayami) — supporting

  A proud aristocratic Vers knight who initially regards Earthlings with contempt and is openly hostile to the Earth-born Slaine Troyard. Caught up in the schemes of his fellow knights after the princes...

Canonical Relationships

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

• Yuki Kaizuka → Inaho Kaizuka (Siblings & Mutual Support) — A steady familial bond characterized by protective instincts and shared military service, maintaining emotional grounding amid chaos.

  "S1E1 Yuki is Inaho's elder sister and a UFE pilot; S1E12 Yuki attempts to escort Asseylum while Inaho fights; S1E16 Yuki is assigned to a unit away f...

• Slaine Troyard → Asseylum Vers Allusia (Childhood Companion & Unrequited Love) — A deep emotional attachment that fractures with her assassination, transforming into tragic devotion and self-sacrificial resolve.

  "S1E1 Slaine is her close companion on the diplomatic mission; S1E13 Asseylum is assassinated, leaving Slaine devastated; S1E24 Slaine resigns himself...

• Saazbaum → Slaine Troyard (Patron and subordinate) — Saazbaum is a major Mars authority figure whose actions shape Slaine’s rise and loyalties.

  "Slaine learns Count Saazbaum\u2019s true motives, later serves as a Mars Knight, and takes part in battles against the UEF while acting under Mars-si...

• Cruhteo → Slaine Troyard (Lord & Exiled Subordinate) — A hierarchical relationship marked by initial rejection and gradual, reluctant acceptance as Slaine proves his military utility.

  "S1E6 Cruhteo declares Slaine persona non grata; S1E13 Slaine earns Mars Knight status despite Earth birth; S1E15 Slaine faces opposition from Mars Kn...

• Inaho Kaizuka → Darzana Magbaredge (Pilot & Captain) — Magbaredge commands the evacuation fleet and later protects Asseylum aboard the Wadatsumi.

  "In episode 4, Captain Magbaredge leads the evacuation and later agrees to protect Asseylum aboard the Wadatsumi."

• Asseylum Vers Allusia → Cruhteo (Royal Decree & Political Opposition) — A political and ideological clash where Cruhteo's warmongering directly undermines Asseylum's diplomatic objectives.

  "S1E4 Asseylum seeks to contact her grandfather to stop the war; S1E6 Cruhteo officially declares war against Earth; S1E11 Saazbaum's attack aligns wi...

• Lemrina Vers Allusia (voice) → Slaine Troyard (Princess & Servant) — Slaine navigates Lemrina's political distress while advancing his own agenda.

  "In episode 18, Princess Lemrina is distraught over an unexpected situation, but Slaine tells her he will use it to his advantage."

Story Dynamics

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

• Inaho Kaizuka → Asseylum Vers Allusia (Protector & Ward) — A bond forged through mutual reliance and battlefield protection, evolving from a tactical arrangement to a steadfast guardian dynamic.

  "S1E4 Asseylum requests Inaho's help to contact her grandfather; S1E12 Inaho holds off Saazbaum while others escort her; S1E22 Inaho takes action to p...

• Saazbaum → Inaho Kaizuka (Nemesis & Military Opponents) — A high-stakes military rivalry defined by direct combat encounters and clashing tactical philosophies.

  "S1E11 Saazbaum directs forces to kill Asseylum; S1E12 Inaho personally holds off Saazbaum, who reveals his Dioscuria's full capabilities; S1E23 Final...

• Inaho Kaizuka → Koichiro Marito (Battle partner) — Marito and Inaho cooperate closely in Earth-side counterattacks.

  "Episode 3 explicitly says Inaho begins a counteroffensive with backing from Marito's group."

• Inaho Kaizuka → Slaine Troyard (Rivals & Temporary Allies) — A complex dynamic shifting from tactical cooperation to entrenched opposition, driven by opposing sides in the escalating war.

  "S1E7 They cooperate temporarily to defend the Wadatsumi; S1E12 Both engage in the final assault on the Landing Castle; S1E23 Slaine prepares for a fi...

• Asseylum Vers Allusia → Saazbaum (Target & Aggressor) — A direct hostile pursuit where Saazbaum's assassination attempts force Asseylum to abandon diplomacy for active leadership.

  "S1E11 Saazbaum specifically targets Asseylum to cut off power; S1E12 Asseylum attempts to reach the Aldnoah Drive; S1E19 Orbital Knights rally under...

• Rayet Areash → Asseylum Vers Allusia (Hostile Guard) — Rayet's resentment boils over, leading to a direct confrontation with Asseylum.

  "In episode 10, Rayet grabs Magbaredge's pistol and holds everyone in the shower hostage, blaming Asseylum for being able to integrate into the UFE."

• Inaho Kaizuka → Cruhteo (Earth Defender vs Martian Commander) — Represents the ideological clash between Earth's survival and Martian expansion, driving the central war narrative.

  "S1E6 Cruhteo declares war; S1E12 Inaho fights Martian forces; S1E23 Inaho answers the call of destiny against Martian forces."

• Slaine Troyard → Eddelrittuo (voice) (Confidant) — Eddelrittuo serves as a trusted comrade and confidant within Slaine's squadron.

  "In episode 20, Slaine unburdens himself to Eddelrittuo, showing their trusted relationship."

Story Analysis

Chronological and thematic breakdown of the first season's war and political conflicts.

Plot Progression

1. The Martian Invasion — Martian Landing Castles strike Earth, overwhelming defenses and forcing civilian evacuations while Asseylum's diplomatic mission goes awry.
2. Secrets of the Deucalion — The crew discovers the hidden battleship, and Asseylum reveals her royal identity to activate the Aldnoah Drive, shifting the tactical balance.
3. Shadows of Tanegashima — Martian forces ambush the docked carrier, forcing intense combat while characters confront psychological trauma from past battles.
4. Assassination & Exile — Saazbaum's assault targets Asseylum directly, leading to her death and Slaine's emotional fracture, fundamentally altering the war's trajectory.
5. The Road to Final Battle — A time skip reveals Slaine's rise and the Deucalion crew's reassembly, culminating in mobilization orders for a decisive final engagement.