The season follows Kuro through repeated death, memory loss, political conflict, and an enduring search for Kuromitsu. Its structure connects personal immortality to resistance warfare and a cycle of bodily replacement.
Story Structure — 5 Plot Phases
Season 1: The Immortal Pact
Kuro and Benkei flee to Kuromitsu's forest home, where Kuro is mortally wounded. Kuromitsu offers immortality, but the transformation is interrupted by violence and betrayal.
Key Events
Flight to Kuromitsu's Home — Kuro and Benkei flee pursuers and seek refuge at Kuromitsu's home. Characters: Kuro, Benkei, KuromitsuLocation: Forest home
Offer of Eternal Life — After Kuro is mortally wounded, Kuromitsu offers him eternal life. Characters: Kuro, KuromitsuLocation: Forest home
Samurai Attack — A corrupt wandering samurai attacks Kuro and Kuromitsu and beheads Kuro. Characters: Kuro, KuromitsuLocation: Town near the forest
Interrupted Transformation — Kuro drinks Kuromitsu's blood, but an enemy attack interrupts his transformation. Characters: Kuro, Kuromitsu, BenkeiLocation: Kuromitsu's refuge
Benkei's Betrayal — Benkei, recruited by the enemy, beheads Kuro. Characters: Kuro, BenkeiLocation: Kuromitsu's refuge
Season 1: Awakening in Asuka
Kuro awakens in a ruined future with no memory and begins searching for Kuromitsu. His meeting with Karuta and the attack on the Haniwa front draw him into the conflict with the Red Imperial Army.
Key Events
Benkei's Betrayal — Benkei, recruited by the enemy, beheads Kuro. Characters: Kuro, BenkeiLocation: Kuromitsu's refuge
Awakening in Ruins — Kuro awakens without memory in a post-apocalyptic world. Characters: KuroLocation: Post-apocalyptic forest
Meeting Karuta — While searching for Kuromitsu, Kuro meets Karuta, a Haniwa resistance member. Characters: Kuro, KarutaLocation: Ruined Asuka
Attack on Resistance Front — The Red Imperial Army attacks the club serving as a Haniwa headquarters, and Kuro recognizes its emblem. Characters: Kuro, KarutaLocation: Club in Asuka
Rai Offers Shelter — Rai helps Kuro recover from the battle and takes him to Izana. Characters: Kuro, RaiLocation: Rai's apartment
Season 1: The Resistance Bargain
Rai and Izana connect Kuro with the Haniwa resistance, while Saniwa promises information about Kuromitsu. The Red Imperial Army escalates its attacks because it wants Kuromitsu's blood.
Key Events
Rai Offers Shelter — Rai helps Kuro recover from the battle and takes him to Izana. Characters: Kuro, RaiLocation: Rai's apartment
Conditional Resistance Pact — Izana promises a reunion with Kuromitsu if Kuro joins the Haniwa rebellion. Characters: Kuro, IzanaLocation: Resistance shelter
Saniwa's Promise — Saniwa promises to reunite Kuro with Kuromitsu while the Red Imperial Army seeks Kuromitsu's blood. Characters: Kuro, SaniwaLocation: Haniwa headquarters
Assault on Haniwa Leaders — Arashiyama and the Red Imperial Army attack the Haniwa headquarters and Saniwa's residence. Characters: SaniwaLocation: Haniwa headquarters
Season 1: Ruins and Sacrifice
The resistance reaches the devastated Kagura village and discovers that Kuromitsu is gone. Saniwa is tortured and dies, while Kuromitsu's intervention sends Kuro toward the Red Imperial headquarters.
Key Events
Kagura Village Massacre — Kuro and the Haniwa reach Kagura and find its residents slaughtered, while Kuromitsu is gone. Characters: KuroLocation: Underground Kagura village
Saniwa Under Torture — Kagetsu tortures Saniwa for information about Kuromitsu, who appears, kills Kagetsu, and tells Kuro to go to Red Imperial headquarters. Characters: Saniwa, KuromitsuLocation: Red Imperial holding site
Saniwa's Death — Saniwa dies after the interrogation, leaving the resistance without her leadership. Characters: SaniwaLocation: Red Imperial holding site
Karuta Falls — Kuro and the Haniwa travel toward the Red Imperial headquarters, but Karuta dies during the journey. Characters: Kuro, KarutaLocation: Road to Tokyo
Season 1: The Red Imperial Reckoning
Kuro reaches the headquarters, where Kuon's infiltration and Kuromitsu's plan for Kuro's body are exposed. After Rai and Kuon die, Kuro kills the Red Emperor and awakens in another body with his search renewed.
Key Events
Karuta Falls — Kuro and the Haniwa travel toward the Red Imperial headquarters, but Karuta dies during the journey. Characters: Kuro, KarutaLocation: Road to Tokyo
Kuon Unmasked — Kuro and Rai are captured, and Kuon is revealed as a Red Imperial agent who infiltrated the Haniwa at Kuromitsu's command. Characters: Kuro, Rai, Kuon, KuromitsuLocation: Red Imperial headquarters
Hasegawa's Experiment — Hasegawa plans to remove Kuro's head for experiments, but Kuro kills him. Characters: Kuro, HasegawaLocation: Red Imperial laboratory
Rai and Kuon Die — Kuon kills Rai and reveals that Kuromitsu planned to use Kuro's body; Kuro then kills Kuon. Characters: Kuro, Rai, KuonLocation: Red Imperial headquarters
Red Emperor Defeated — Kuro confronts and kills the Red Emperor, who is revealed to be Benkei. Characters: Kuro, BenkeiLocation: Red Imperial stronghold
The Search Begins Again — Kuromitsu beheads Kuro and places his head on a new body. Kuro awakens without memory and resumes searching for Kuromitsu. Characters: Kuro, KuromitsuLocation: Forest
Story Breakdown
The Immortality Pact — Kuro's first encounter with Kuromitsu establishes the supernatural bond that defines his existence.
Forest Refuge — Kuro and Benkei flee pursuers and seek shelter at Kuromitsu's home.
Interrupted Transformation — Kuro drinks Kuromitsu's blood, but the transformation is interrupted by an attack.
Betrayal and Rebirth — Kuro suffers beheading and later awakens in a future where his memory and identity are unstable.
Benkei's Betrayal — Benkei is recruited by an enemy and beheads Kuro.
Future Awakening — Kuro awakens without memory in a post-apocalyptic forest.
The Haniwa Alliance — Kuro's search for Kuromitsu becomes connected to the Haniwa resistance against the Red Imperial Army.
Karuta's Introduction — Karuta brings Kuro into contact with the Haniwa resistance.
Izana's Bargain — Izana offers a possible reunion with Kuromitsu in exchange for Kuro's support.
Imperial Pursuit — The Red Imperial Army attacks the resistance while seeking Kuromitsu's blood.
Haniwa Headquarters — Saniwa leads the resistance and promises to reunite Kuro with Kuromitsu.
Kagura Massacre — Kuro and the Haniwa find Kagura village slaughtered and Kuromitsu missing.
Resistance Collapse — The resistance loses key supporters as the pursuit of Kuromitsu intensifies.
Saniwa's Torture — Saniwa is tortured for information before Kuromitsu intervenes.
Karuta and Rai Fall — Karuta dies on the journey, and Rai is later killed by Kuon.
Hidden Manipulation — The Red Imperial headquarters exposes covert loyalties and Kuromitsu's influence over Kuro's fate.
Kuon's Infiltration — Kuon is revealed as an agent who entered the Haniwa at Kuromitsu's command.
The Body Plan — Kuon tells Kuro that Kuromitsu intended to use Kuro's body.
The Final Confrontation — Kuro survives the headquarters conflict, defeats its central enemy, and enters another cycle of searching.
Red Emperor Defeated — Kuro kills the Red Emperor and discovers that he is Benkei.
Search Repeated — Kuromitsu places Kuro's head on a new body, and Kuro begins searching again without memory.
In feudal Japan, Kurou and his servant Benkei are fleeing from Kurou's elder brother, who has recently ascended to the throne. In a forest, they come across a house and a strange woman by the name of Kuromitsu, who agrees to harbor them under one condition: that they do not peer into the inner chambers. Soon, they are attacked by the Red Army; they are searching for Kuromitsu, whose blood holds immortality. Fatally wounded, Kurou drinks some of Kuromitsu's blood and gains immortality along with strange abilities; but shortly after, Kurou is seemingly decapitated and wakes up centuries later in a ruined city. In this twisted future the Red Army is omnipresent and still searching for Kuromitsu’s blood, while a rebel army seeks to keep them from acquiring it. With threats at every turn and fueled by his obsession, Kurou sets forth to find Kuromitsu and seek his revenge on the Red Army.
