ID: Invaded follows Akihito Narihisago, a brilliant detective who dives into criminals’ subconscious “id wells” as his alter ego Sakaido to solve murders and find his daughter’s killer. The series delves into themes of grief, identity, the blurred line between detective and criminal, and the human psyche’s depths.
This curated collection of 25 quotes captures pivotal moments, character growth, and emotional intensity across arcs, blending high-stakes investigations with introspective revelations.
All that matters is this. I DO have a part to play in this world. I’m the brilliant detective, and I’m here to solve the mystery of Kaeru’s death
Episode 1 (Jigsawed)
Sakaido
Affirms his purpose in the id well, highlighting determination amid loss and tying to the core theme of seeking justice.
Everyone who came to see me die, sorry to disappoint you! I’m going to live!
Episode 4 (Extended)
Unnamed victim (livestream)
Defiant stand against Gravedigger’s cruelty shows human resilience, contrasting killers’ despair in early arc.
A lady would never butcher children. What you are, under the very best of circumstances, is human garbage
Episode 9 (Unheaded)
Sakaido
Confronts serial killer with raw contempt, revealing his moral rage and development from detached investigator.
Haven’t you had enough yet?
Episode 9 (Unheaded)
Sakaido
Challenges killer’s cycle of violence, underscoring theme of breaking destructive patterns in psyche.
I’m the brilliant detective, and I’m here to solve the mystery
Episode 1 (Jigsawed)
Sakaido
Establishes Sakaido’s identity, symbolizing Narihisago’s drive fueled by personal tragedy.
You’ll see! Until someone comes to save me, I’ll hang on!
Episode 4 (Extended)
Unnamed victim
Emotional plea amplifies helplessness theme, impacting team and viewers in peaceful victim moment.
Floating Limbs represent fragmented mind
N/A (recurring in Fukuda’s well)
Tamotsu Fukuda (conceptual)
Illustrates arithmomania and mental chaos, key to understanding Perforator’s fractured psyche.
I managed to defeat The Challenger with a broken arm
Episode 10 (approx)
Akihito Narihisago
Highlights physical and emotional endurance, pivotal in confronting past trauma.
He sacrificed his life to save Hondomachi
Episode 13 (finale)
Tamotsu Fukuda
Heroic act shows redemption arc from killer to ally, emotional climax of partnership theme.
She throws herself onto his drill to create id well
Episode 2 (Jigsawed II)
Koharu Hondomachi
Deliberate injury gambit demonstrates bravery, advancing her growth from rookie to key player.
Narihisago drives Pyrotechnician to suicide
Episode 3 (Sniped)
Akihito Narihisago
Cold analysis exposes weaknesses, blurring detective-criminal lines in prison confrontation.
Momoki questions Narihisago about his killing urges, but reassures they are still friends
Episode 4 (Extended)
Funetaro Momoki
Friendship endures moral ambiguity, deepening bonds amid solitary confinement tension.
Sakaido loops through burning building to save Kaeru
Episode 4 (Extended)
Sakaido
Desperate repetition conveys grief’s torment, iconic emotional peak with Samurai 45 OST.
John Walker is the serial killer creator
Episode 2 (Jigsawed II)
Investigation team deduction
Unveils manipulator behind killers, shifting arc to meta-mind invasion conspiracy.
Fukuda’s ID Well key to stopping John Walker
Finale
Tamotsu Fukuda
Climactic return ties fragmented mind to resolution, symbolizing psyche’s ultimate utility.
Anaido annoys Sakaido but they get along
Recurring (multiple wells)
Anaido
Humorous rivalry underscores detective archetypes, lightening intense well dives.
Narihisago killed the Challenger three years ago
Backstory (revealed ep 10)
Akihito Narihisago
Core motivation revealed, fueling entire series’ revenge and identity crisis.
Rule of three: stitches, holes, obsessions
Recurring
Tamotsu Fukuda
Fukuda’s number fixation drives plot puzzles, connecting to arithmomania theme.
Hondomachi kissed by Haruka Kazuta at crime scene
Episode 4 (Extended)
Haruka Kazuta
Shocking twist hints at larger conspiracy, blending romance with horror elements.
Sakaido knocks out John Walker in well
Episode 2 (Jigsawed II)
Sakaido
Initial encounter with antagonist builds mystery, showcasing intuitive detective skills.
Pyrotechnician fascinated with mass death from war
Episode 3 (Sniped)
Pyrotechnician
Exposes trauma’s dark turn to killing, paralleling Narihisago’s own losses.
Copycat Gravedigger captured, victim lost
Episode 4 (Extended)
Kazuo Wakashika deduction
Failure heightens stakes, emphasizing real-time pressure in investigations.
Narihisago in solitary after suicide manipulation
Episode 4 (Extended)
Akihito Narihisago
Isolation tests loyalty, highlighting ethical costs of brilliance.
Kiki Asukai cockpit truth devastates Sakaido
Episode 12 (approx)
Sakaido
Reveals illusion of daughter, shattering psyche and advancing identity theme.
Countless masks lead to serial killers’ minds
Finale well
John Walker / Uraido
Visual metaphor for villain’s control, culminating battle of wills.
