Zetman follows Jin Kanzaki, a street-raised boy who can transform into the bio-weapon “ZET,” and Kouga Amagi, a privileged heir striving to become a high-tech hero.
Across 13 dark episodes and the longer manga, the series interrogates justice, humanity, and what one must sacrifice to protect others. The quotes below capture pivotal moments of resolve, loss, and moral conflict that define the cast’s growth.
Keep your head up. Hope never rolls on the ground
(Episode 1 “Untold Beginnings”)
Jin Kanzaki
Context: Akemi urges young Jin to stay optimistic amid tragedy, seeding his lifelong fight for hope over despair.
Violence did this to us. Remember the price it demands
(Episode 1 “Untold Beginnings”)
Gorō Kanzaki
Context: Dying mentor warns Jin that raw power without restraint breeds more suffering.
Justice isn’t a game you can pause when it hurts
(Episode 2 “Alphas”)
Kouga Amagi
Context: Kouga rejects escapism after witnessing Player carnage, cementing his earnest yet naive hero ideal
I’m no angel—just the devil that devils fear
(Episode 3 “Hostage”)
Jin Kanzaki (as ZET)
Context: Jin embraces his dark nature to save civilians, foreshadowing his struggle with monstrous identity.youtube
Saving everyone is a dream; choosing who to save is hell
(Episode 4 “Decision”)
Jin Kanzaki
Context: Faced with a fatal dilemma, Jin voices the series’ core tragedy of limited power.
If kindness stops one bullet, it’s worth more than ten guns
(Episode 4 “Decision”)
Hanako Tanaka
Context: Hanako’s pacifist faith tempers Jin’s brutality and highlights humanity amidst chaos.
My suit has algorithms; your heart has courage. Which wins?
(Episode 5 “Alphas’s Justice”)
Kouga Amagi
Context: Kouga questions whether engineering can match Jin’s instinctive heroism, deepening their rivalry
Hate the crime, not the person—otherwise you become them
(Episode 6 “True Justice”)
Saeko Cho
Context: AI tutor challenges Jin’s vengeance-driven worldview, expanding the theme of compassionate justice.youtube
There’s no meter that fills when people die. Leveling up is a lie
(Episode 6 “True Justice”)
Jin Kanzaki
Context: Realizing strength built on death hollows the soul, Jin denounces “gaining points” through violence.youtube
Justice without love is a sharpened blade with no handle
(Episode 7 “Alphas vs ZET”)
Seiji Haitani
Context: Antagonist taunts Kouga, exposing how detached heroism can cut allies as easily as foes.
Strength without purpose is just louder weakness
(Episode 7 “Alphas vs ZET”)
Kouga Amagi
Context: Kouga vows to align power with principled action, marking a step beyond flashy hero worship
To protect the weak, I must first kill the coward in me
(Episode 8 “The Nightmare”)
Kouga Amagi
Context: Torture game flashback shows Kouga forging resolve from trauma, illustrating resilience.
Monsters wear skin—and sometimes, uniforms
(Episode 8 “The Nightmare”)
Jin Kanzaki
Context: Jin condemns corrupt officials shielding Players, broadening the critique of systemic evil.
I’d rather be feared for truth than loved for a lie
(Episode 9 “Red Stake”)
Jin Kanzaki
Context: Before risking total transformation, Jin accepts infamy to keep Kouga’s faith intact.
Ideals break bones faster than fists
(Episode 9 “Red Stake”)
Kouga Amagi
Context: Witnessing collateral damage, Kouga admits rigid justice can harm innocents, hinting at flexibility
When humanity is the cost, victory bankrupts the victor
(Episode 10 “Party”)
Jin Kanzaki
Context: Jin hesitates to awaken fully, fearing the loss of his remaining empathy.
A hero who ignores tears is just a villain in brighter colors
(Episode 10 “Party”)
Konoha Amagi
Context: Konoha calls out Kouga’s tunnel-vision, underscoring empathy as heroic bedrock.
The line between savior and executioner is drawn in intention
(Episode 11 “Puppet”)
Seiji Haitani
Context: Mastermind exploits moral ambiguity, echoing the narrative’s gray ethics
If the world labels me a beast, I’ll roar so victims can sleep
(Episode 11 “Puppet”)
Jin Kanzaki
Context: Jin accepts demonization to continue protecting silently, illustrating self-sacrificial justice
Justice that forgets joy invites endless war
(Episode 12 “Clash”)
Hanako Tanaka
Context: Plea to Jin to remember simple happiness, anchoring the story’s humanity
Even perfect plans bleed when reality stabs back
(Episode 12 “Clash”)
Kouga Amagi
Context: Alphas’s tech fails against evolved Players, teaching humility and adaptability.
I will bear every scar, so others inherit none
(Episode 13 “Proof”)
Jin Kanzaki
Context: Finale vow encapsulates Jin’s martyr-like resolve, sealing his character arc.youtube
Memories of pain guide the hand that heals
(Episode 13 “Proof”)
Kouga Amagi
Context: Kouga chooses to learn from trauma, hinting at a more balanced future heroism.
True justice is kindness wielded by the strong
(Manga Chapter 148 “Convergence”)
Jin Kanzaki
Context: Manga-only reflection merges Jin’s brute power with Saeko’s earlier lesson, affirming moral synthesis
Monsters fall; what we become after matters more
(Manga Chapter 183 “Legacy”)
Kouga Amagi
Context: Series epilogue stresses personal evolution over battlefield victories, closing the justice-humanity loop.
