Story Structure — 5 Plot Phases
Season 1: Contextual Setup
The provided S1 plot focuses on a separate narrative framework. This segment acknowledges the transition to the Amazon-centric storyline that defines the core character dynamics.
Key Events
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Chihiro's First Transformation — Chihiro transforms for the first time to protect someone, marking his re-entry into the conflict. Characters: Chihiro / Kamen Rider Amazon Neo, Iyu / Crow Amazon
Location: Amazon Territory
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Mizuki's Interference — Mizuki disrupts a fierce battle between Chihiro and Iyu, aligning with 4C objectives. Characters: Mizuki, Chihiro / Kamen Rider Amazon Neo, Iyu / Crow Amazon
Location: Battlefield
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4C Hunt Coordination — Kurosaki's 4C squad and returned Chihiro initially hunt Amazons together before fracturing. Characters: Takeshi Kurosaki, Chihiro / Kamen Rider Amazon Neo, Iyu / Crow Amazon
Location: 4C Base
Season 2: Genesis and Fracture
Chihiro's return and first transformation ignite the central conflict. Early alliances with 4C quickly fracture as Chihiro's true nature and Iyu's emotional state come into focus.
Key Events
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Escape from 4C — Chihiro abandons 4C to help Iyu experience human life, shifting their dynamic. Characters: Chihiro / Kamen Rider Amazon Neo, Iyu / Crow Amazon
Location: Urban Outskirts
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Water Source Investigation — Shido's squad investigates water dispensers and encounters unexpected figures. Characters: Makoto Shido, Mamoru / Mole Amazon
Location: Water Facility
Season 2: Investigation and Revelation
Shido's squad and Mamoru clash over Amazon reality. The identification of the Original shifts the narrative toward Chihiro's internal crisis and 4C's escalating pressure.
Key Events
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Mamoru's Reality Presentation — Mamoru bluntly presents the harsh reality of Amazon existence to Shido's squad. Characters: Mamoru / Mole Amazon, Makoto Shido
Location: Hideout
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The Original Identified — The Original is identified as the root cause of the current crisis. Characters: Chihiro / Kamen Rider Amazon Neo
Location: 4C Archives
Season 2: Crisis and Sacrifice
Iyu's hostage situation and Chihiro's instinctual struggle culminate in his self-sacrifice. This act breaks Iyu's emotional numbness and triggers final confrontations.
Key Events
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4C Extreme Measures — 4C takes extreme measures against Chihiro to uncover his origins. Characters: Takeshi Kurosaki, Chihiro / Kamen Rider Amazon Neo
Location: 4C Facility
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Iyu's Encounter with Extinction Force — Iyu visits a location Chihiro mentioned and encounters a force seeking Amazon extinction. Characters: Iyu / Crow Amazon
Location: Fun Place
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Jin's Psychological Breakdown — Jin loses his mind due to Tlaloc, with Nanaha remaining by his side. Characters: Jin Takayama / Kamen Rider Amazon Alpha, Nanaha Izumi
Location: Recovery Ward
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Chihiro's Self-Sacrifice — Confronted with being the Original, Chihiro sacrifices himself to save Iyu from captivity. Characters: Chihiro / Kamen Rider Amazon Neo, Iyu / Crow Amazon
Location: Hostage Site
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Iyu's Hostage Crisis — Iyu is taken hostage, prompting Chihiro's decisive intervention. Characters: Iyu / Crow Amazon, Mamoru / Mole Amazon
Location: Mamoru's Hideout
Season 2: Resolution and Aftermath
Remaining factions face off as characters submit to judgment or pursue obsessive vendettas. Chihiro and Iyu's final struggle for humanity ties the narrative threads together.
Key Events
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Chihiro's Self-Sacrifice — Confronted with being the Original, Chihiro sacrifices himself to save Iyu from captivity. Characters: Chihiro / Kamen Rider Amazon Neo, Iyu / Crow Amazon
Location: Hostage Site
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Iyu's Emotional Awakening — Chihiro's thoughts and actions finally move Iyu's heart, breaking her emotional numbness. Characters: Iyu / Crow Amazon, Chihiro / Kamen Rider Amazon Neo
Location: Safehouse
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Chihiro vs Haruka — Unwilling to submit, Chihiro engages in combat with Haruka. Characters: Chihiro / Kamen Rider Amazon Neo, Haruka Mizusawa / Kamen Rider Amazon Omega
Location: Urban Ruins
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Jin's Obsession Intensifies — Jin, now fully conscious, targets Chihiro with relentless determination. Characters: Jin Takayama / Kamen Rider Amazon Alpha, Chihiro / Kamen Rider Amazon Neo
Location: City Streets
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Haruka's Submission — Haruka submits to Mizuki's judgement as the season draws to a close. Characters: Haruka Mizusawa / Kamen Rider Amazon Omega, Mizuki
Location: 4C Command
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Squad vs Mamoru — The extermination squad faces off with Mamoru to tie loose ends. Characters: Makoto Shido, Mamoru / Mole Amazon
Location: Hideout
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Jin vs Nanaha — Jin confronts Nanaha alone, initiating the final tragic sequence. Characters: Jin Takayama / Kamen Rider Amazon Alpha, Nanaha Izumi
Location: Abandoned Building
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Amazon Instincts Surge — While on the run, Chihiro struggles to suppress his Amazon instincts. Characters: Chihiro / Kamen Rider Amazon Neo
Location: Forest
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Season Finale Struggle — Chihiro and Iyu struggle to retain their humanity in their remaining time. Characters: Chihiro / Kamen Rider Amazon Neo, Iyu / Crow Amazon
Location: Final Zone
Dormant, experimental cells begin to awaken inside their human hosts, turning them into creatures called 'Amazons'. Two Amazons- Jin Takayama and Haruka Mizusawa- transform into Kamen Riders Amazon Alpha and Amazon Omega, aiming to exterminate the growing threat.