Kioku Sousa ~Shinjuku Higashi-sho Jiken Fairu~

At the Shinjuku Higashi Police Station, veteran detective Ichiro Onizuka is confined to a wheelchair but possesses a flawless memory of Shinjuku spanning the Showa and Heisei eras. Using his internal "city of memory," he sets out to solve the neighborhood's many "untouched cases"—minor or overlooked incidents that standard detectives leave behind. Joined by aspiring detective Saki Toyama and elite career officer Keitaro Jin, the duo serve as Onizuka’s eyes and legs on the street. Together, the trio navigates internal police politics and the local secrets to bring justice to the forgotten victims of Shinjuku.

Kioku Sousa ~Shinjuku Higashi-sho Jiken Fairu~ Season 1 release dates →

1. E7

   7. Episode 7: 3.53 Million Witnesses!? The "Labyrinth" Shinjuku Station Great Search, Police Officer Poisoning Trick

   Finale 7 years ago

   An old pocket watch is found bearing Onizuka's blood and fingerprints, identifying its owner as a missing victim from the infamous Waseda random stabbing incident. Simultaneously, the body of Gen Aoki, the former Judicial Affairs head who abruptly resigned, is discovered at Shinjuku Station. As the team learns Aoki had been secretly visiting the missing victim, Onizuka must unravel a labyrinth of connections between his past case and this new murder.

2. E6

   6. Episode 6: The Murder Trick of the "Permanent Corpse!"? The White Hat and the Mystery of October 10, 1964

   7 years ago

   While reviewing theft logs, Onizuka notices a stolen white fedora that leads Saki to a hoarder's house, where she discovers the resident's body buried under a pile of trash. The victim, who had been dead for four months, possesses a mysterious, unexpected past connected to a historic 1964 event that once captivated all of Japan.

3. E5

   5. Episode 5: The Corpse Standing on Its Head in the Theater!? The Bloodstains of 2:59 AM.... "Strangely Shaped" Weapon

   7 years ago

   When a bank employee is found murdered at a rakugo hall, incriminating evidence points directly to performer Shohei Tachibana. As the investigation reveals the victim frequently attended shows despite having no interest in rakugo, Onizuka notices financial sales materials and an old watch among the belongings that hold the key to the mystery.

4. E4

   4. Episode 4: A Disguised Murder Trick! 1-in-7,000 of the Missing Is the Culprit!? The Missing Smartphone

   7 years ago

   When an undocumented Vietnamese laborer rushes into the station holding a blood-stained knife, he is arrested for the murder of his construction company's president but maintains his innocence. As the investigation reveals the president may have been illegally exploiting undocumented workers, Onizuka draws parallels to his own past to piece together the truth.

5. E3

   3. Episode 3: The Mastermind Is a "Housewife", a Revenge Murder & the Special Heron!! A Mystery with an Escape Time of 3 Minutes!?

   7 years ago

   When a housewife who knows Onizuka is suddenly arrested as a suspect in a fraud ring, she vehemently denies the charges and claims her phone was used without her consent. Suspecting she was framed, Keitaro and Saki canvas Shinjuku's Golden Gai to track down the true culprit who fled through a local shop.

6. E2

   2. Episode 2: Forty-Nine Mysterious Dead Bones Are in the Locker!? "Green and Red Bones" Trick

   7 years ago

   When a jar of human bones is sent to a local pawnshop and a skeleton is discovered in an Aizumi park, Onizuka suspects a connection to the shop's deceased former owner. Despite claims that the owner's remains were scattered at sea, the investigation takes a shocking turn when bones from 49 bodies are discovered inside a locked coin locker in Shin-Okubo.

7. E1

   1. Episode 1: A Murder Trick Revealed by a Legendary Detective Who "Remembers All of Shinjuku"!!

   7 years ago

   Nearing retirement, Detective Ichiro Onizuka apprehends a violent attacker on Waseda Street but suffers a debilitating spinal injury. One year later, now confined to a wheelchair, he returns to the Shinjuku Higashi Police Station as Chief of the Judicial Affairs Section and investigates a suspicious fatal fall at the exact building where he was injured. Alongside detectives Saki and Keitaro, Onizuka uses his detailed memory of the neighborhood's past to solve the case.

Ichiro Onizuka and Saki Toyama continue their work solving cases at the Shinjuku Higashi Police Station, but the arrival of a strict new chief, Kanata Azuma, threatens their operations. Opposing Onizuka's unconventional methods and constantly clashing with Keitaro Jin over investigation policies, Azuma brings a tense, disruptive friction to the Criminal Division.

Kioku Sousa ~Shinjuku Higashi-sho Jiken Fairu~ Season 2 release dates →

1. E7

   7. Episode 7: The Labyrinth of 20 Suspects!! The Murder Bus... The 1 Million Yen Trick

   Finale 5 years ago

   Overcome by guilt after regaining consciousness, the bus driver attempts suicide in front of Onizuka, while the identity of the missing twelfth passenger remains a mystery. Using his precise memory of the area and its residents, Onizuka deduces that the true culprit is linked to a group of unfairly dismissed former employees from the bus company. Keitaro and his team launch a targeted investigation into these workers, racing to uncover a deeply tragic truth.

2. E6

   6. Episode 6: Murder on the Express Bus: 467 km, the 12th Passenger Vanished!? A 7-Minute Gap

   5 years ago

   When a horrific night bus crash bound for Shinjuku claims eleven lives, the driver's history of drowsy driving makes the incident seem like an accident. However, after reviewing the dashcam footage, Onizuka suspects foul play and raises the possibility of murder. The investigation intensifies when the team discovers a mysterious twelfth passenger was on board and has since gone missing.

3. E5

   5. Episode 5: "Simultaneous" Kidnappings!? A 293-Year-Old Stone Statue Reveals the Murderous Intent of Five Suspects!

   5 years ago

   While heading home, Onizuka is attacked with a stun gun by an unknown assailant whom he recognizes as Yukio Kasai, a convict from a murder case he handled ten years prior. Partnering with the original lead investigator from the Shibuya Kita Police Station, Onizuka dives into the newly released convict's background, ultimately uncovering a tragic truth behind the assault.

4. E4

   4. Episode 4: The "Invisible" Killer! The City Lights Reveal the Trick

   5 years ago

   Following the poisoning of two cybercrime investigators, a devastating virus spreads rapidly through the computers of companies involved in the "Shinjuku I-City" project. While Police Chief Kanata Azuma begins exhibiting highly suspicious behavior, Onizuka meticulously sifts through Shinjuku's security footage and notices a unique, moving landmark that holds the key to unmasking the invisible killer.

5. E3

   3. Episode 3: The Mystery of 'I Love You' Hidden in the Multi-Colored Amulet

   6 years ago

   When a cybercrime assistant inspector is poisoned in Shinjuku Ni-chome, a simultaneous power outage strikes the station due to a system failure in the "Shinjuku I-City" smart city project. Onizuka soon discovers that the murdered inspector had been conducting a rogue investigation into a cyberattack targeting one of the project's tech companies.

6. E2

   2. Episode 2: A Body Covered in Strawberries!? The Missing 77-kilometer Crime Trail

   6 years ago

   When a body covered head to toe in strawberries is discovered at the Shinjuku Botanical Garden, the investigation stalls over the unidentified victim and the unusual fruit. Onizuka eventually identifies the deceased as Eita Takanabe, a co-developer of the garden's early-harvest strawberries, but suspects that the employee who first found the body is hiding a dark secret.

7. E1

   1. Episode 1: The 1 Million Yen Stolen by the "Era-Change Scam" and the Trick of the Mechanical Watch

   6 years ago

   The body of a man named Yugo Matsumoto is discovered, prompting Onizuka to recall a report the victim had previously filed regarding a stolen motorcycle. As Onizuka, Keitaro, and Saki investigate a potential connection between the theft and the murder, their efforts are immediately hindered by the station's strict new police chief, Kanata Azuma, who disapproves of their methods.

Ichiro Onizuka is a skilled detective who is confined to a wheelchair after being injured in an incident that occurred right before his retirement. Armed with a detailed "city of memory" in his mind, he solves modern-day cases while recalling the cases of the past.

Kioku Sousa ~Shinjuku Higashi-sho Jiken Fairu~ Season 3 release dates →

1. E7

   7. Episode 7: The Final Case: The 1968 Shinjuku Riots and the Bond Between Parent and Child

   Finale 3 years ago

   When the chairman of a delivery company is found murdered and covered in a unique blueberry sauce, Onizuka traces the ingredient to a regular customer named Kinjo. Investigating Shinjuku's Golden Gai, the team discovers that the victim was a former police officer who shared a hidden history with Kinjo, a former student activist. As a pivotal 1968 Shinjuku incident flashes through Onizuka's mind, he races to unmask the killer while Saki finally finds the answer to why she wants to be a detective.

2. E6

   6. Episode 6: The Mystery of the "Police Shooting"! An Investigation Headquarters with Just Six People

   3 years ago

   After a missing officer's body is discovered in a Nishi-Waseda pond, the arrested suspect confesses to murder but claims his original target was Onizuka. Sensing a contradiction between the suspect's story and the deceased officer's combat training, Onizuka overrides fierce objections from Chief Inspector Mori to launch a rogue investigation. Joined by Keitaro, Saki, Yojo, Junko, and Kurita, Onizuka uncovers a specific phrase in the police log that triggers his memory and exposes the true motive behind the tragedy.

3. E5

   5. Episode 5: On the Hunt! Random Assault Suspect— Seal Off the Shinjuku Triangle!

   3 years ago

   While Saki takes a leave of absence to contemplate her future, a random assault in Nishi-Waseda escalates when the suspect steals an officer's patrol bicycle and flees. Social media tracking reveals the fugitive is Saeki, but Chief Inspector Mori fiercely opposes Onizuka's involvement in the manhunt. The crisis deepens when the officer who lost his bicycle goes missing and gunshots ring out through Shinjuku, forcing a benched Saki to grapple with her choice to leave the force.

4. E4

   4. Episode 4: My Best Friend's Mysterious Death in a Fall... Run! The Great Shinjuku Chase!!

   3 years ago

   Just as Saki shocks the team by submitting her resignation, Yojo's close friend is found murdered near a controversial, illegally constructed apartment building. Onizuka joins the task force to investigate and discovers the victim had been using a group chat app to vent about his real estate job. The case takes a deeply personal turn when one of the group chat members flees upon seeing Onizuka, exposing an unexpected link to the detective's own past.

5. E3

   3. Episode 3: Who's the "Liar"? Three Murder Suspects!

   3 years ago

   A man harboring a deep grudge attacks Saki, blaming her for ignoring his harassment complaint five years ago and claiming his girlfriend is now being held captive by the same stalker. Saki and Onizuka rush to investigate, but the accused suspect denies everything, and the case spirals into a web of lies when the girlfriend's drowned body is discovered in the Ichigaya Moat. With multiple suspects emerging and a mysterious herb shop tied to the crime, Saki must overcome her past regrets to uncover the truth.

6. E2

   2. Episode 2: A Murder Confession Four Years Later! The Mystery of the "Missing Body"

   3 years ago

   Three years after turning himself in for his mother's murder, a man still refuses to reveal where her body is hidden. Based on Onizuka's deductions, the team canvasses Shinjuku and uncovers a dysfunctional family dynamic involving pension fraud and severe caregiver burnout. To crack the suspect's stubborn silence, Onizuka connects the case to an unusual mass death of civets that occurred in the neighborhood three years ago.

7. E1

   1. Episode 1: The Price of an Affair? A Perfect Crime Involving a 6 Million Life Insurance Payout

   4 years ago

   When a fatal explosion destroys a local pyrotechnic factory, Onizuka connects the deceased president to a past assault involving a predatory finance company. While investigating the factory's massive debt alongside Saki, Keitaro, and new teammate Yojo, a second explosion kills a disgruntled former worker who leaves behind a digital suicide note confessing to the initial bombing. Although the police force prepares to close the case as a murder-suicide, Onizuka uncovers hidden evidence that upends the entire investigation.

Kioku Sousa ~Shinjuku Higashi-sho Jiken Fairu~ Season 4 release dates → +1 upcoming episode with air dates still to be announced. Get notified