Chapter Summaries

Shiraishi investigated the suspicious death of prosecutor Matsui Hiroshi and recognized him as the third person who had secretly met with Judge Jun Sakurai and lawyer Norio Kobayashi. He directed detectives to quietly check cases involving the pair, then learned that Kunikida had come to see him.

• Shiraishi reviewed Jun Sakurai’s career and found no recent court cases shared with Norio Kobayashi.
• Munakata reported that prosecutor Matsui Hiroshi had died in his bathtub, and Shiraishi ordered an investigation while notifying Vice-Minister Karimago.
• Shiraishi continued overseeing the 500 Million Yen Robbery Case as detectives pursued the suspects.
• At the investigative conference, Shiraishi recognized Matsui from the café meeting and learned that the death involved unexplained skin ulceration and a possibly tampered window lock.
• Shiraishi told Kuroki’s team to quietly examine cases presided over by Jun Sakurai with Norio Kobayashi as defense attorney, without alerting them.
• After the conference, Shiraishi learned that Kunikida was waiting in his office.

Shiraishi learned how Kunikida’s flawed investigation seven years earlier had led to Murano Keisuke’s conviction and Kunikida’s retreat from frontline work, then connected that history to Matsui, Jun Sakurai, and Norio Kobayashi. As Shiraishi expanded the investigation into Matsui’s death and brought Kunikida and additional officers into it, he prepared to use his connections to challenge the powerful figures involved.

• Kunikida confessed that he had ignored evidence favorable to Murano Keisuke and later suspected Murano had been wrongly convicted, but his efforts to reopen the case ended in punishment and a transfer to public relations.
• Kunikida explained that he had seen Matsui Hiroshi, Jun Sakurai, and Norio Kobayashi meeting privately, and Shiraishi found that the three had repeatedly appeared together in older trials.
• Shiraishi and Kunikida suspected the three men had arranged unjust trials, but they had no proof that Matsui’s sudden death was a homicide or a clear way to identify a killer.
• Shiraishi urged Kunikida to involve Tosaka, Gen, and Yamada rather than investigate alone, and Kunikida agreed to inform Munakata.
• Shiraishi reassigned Suzuki Atsushi and Makitaka from the 500 Million Yen Robbery Case to assist Kuroki with the investigation into Matsui’s death.
• Shiraishi planned to approach the death through the details of the case, hoping Suzuki could summon a detective and preparing to use Superintendent General Haku’s son against the powerful interests involved.

Munakata searched for Little Ai after learning she had gone with the Junior Detective League, only to find that she had helped subdue counterfeiters who had kidnapped a painter. Shiraishi took her home, and the chapter ended with Attorney Kobayashi being found dead in a swimming pool under circumstances matching Matsui’s death.

• Munakata learned Little Ai had gone with the Junior Detective League and traced the children to a newspaper office where counterfeiters had kidnapped a painter.
• Munakata and a patrol officer entered the office and found Little Ai holding a gun beside several defeated criminals; Munakata recognized the suspect as Silver Fox.
• Shiraishi arrived, revealed Little Ai was his sister, and left Munakata to handle the police follow-up while he took her home.
• Little Ai told Shiraishi she had gone along to observe Kudo Shinichi and planned to teach him a lesson about keeping his identity secret.
• On Tuesday, April 4, Attorney Kobayashi was found dead in his swimming pool from sudden cardiac arrest, matching Matsui’s cause of death.

After Dr. Misumi found a second body with the same strange marks as Matsui, Shiraishi pushed to treat the deaths as linked murders and establish an Investigation Headquarters in Beika Town. The chapter ended with Odagiri learning that a prosecutor and a lawyer were dead and concealing his alarm.

• Dr. Misumi told Shiraishi that another person had died of cardiac paralysis with marks like those on Matsui, and Aoki identified the victim as lawyer Norio Kobayashi.
• Shiraishi concluded that the two deaths were likely connected murders and called Matsumoto to prepare an Investigation Headquarters.
• Shiraishi told Matsumoto that he had seen Norio Kobayashi, prosecutor Jun Sakurai, and Matsui secretly meeting in disguise, and Matsumoto agreed to apply for the headquarters in Beika Town.
• Superintendent General Haku complained to Odagiri that Hakuba Tantei had skipped school to investigate at Tokyo High Court, but Odagiri said he knew of no related serious violent cases.
• Odagiri received the report about the Investigation Headquarters and the deaths of a prosecutor and a lawyer, then hid his alarm and told the First Investigation Division chief to follow normal procedure.

Matsumoto established an investigation headquarters for the deaths of Matsui Hiroshi and Norio Kobayashi, whose secret meeting with Judge Jun Sakurai suggested their murders were connected. Munakata moved to seek an arrest warrant for Sakurai, while Shiraishi divided the investigation into protecting possible targets, finding a shared motive, and examining the deaths.

• Matsumoto brought Tsukishima Police Station into the investigation headquarters and reviewed the victims’ similar deaths, including unexplained chest wounds and their presence in water.
• Matsumoto showed surveillance footage of Matsui Hiroshi, Norio Kobayashi, and Jun Sakurai meeting secretly at a café before the murders.
• Suzuki Atsushi reported that Matsui had searched case files using his own name and Sakurai’s, while Sakurai had refused to answer questions without proper legal authorization.
• Munakata said he would apply to the Tokyo High Court for an arrest warrant for Sakurai, despite Kunikida’s doubts about the evidence.
• Shiraishi assigned Beika Police Station to investigate and protect related people, Tsukishima Police Station to search for a shared motive, and Division Seven to examine the deaths.

Shiraishi asked Little Ai to investigate two victims’ unexplained heart paralysis, and she recreated the suspected underwater ultrasonic murder method with a homemade negative pressure gun. Shiraishi then searched old cases involving Prosecutor Matsui, Attorney Kobayashi, and Judge Sakurai, narrowing his investigation to people with access to specialized equipment.

• Shiraishi picked up Little Ai after school and asked her to analyze a case involving victims who had died of unexplained heart paralysis.
• Little Ai examined the forensic photographs and suspected the victims’ chest injuries resembled unusual trauma, so she took Shiraishi to Ayako’s laboratory.
• Little Ai built a negative pressure gun and tested it underwater on Shiraishi, confirming that ultrasonic cavitation could injure the body and cause heart paralysis.
• Shiraishi asked Kunikida for suspicious cases involving Matsui, Kobayashi, and Sakurai, then reviewed former defendants whose sentences had recently ended.
• Shiraishi searched all related personnel for people who could access high-power ultrasonic equipment.

Shiraishi investigated a possible revenge plot and identified Murano Hikaru, whose mother had recently died after being left in a vegetative state by a poisoning case six years earlier. As police moved to track Murano, Shiraishi realized Kunikida could also be in danger, but Kunikida did not answer his phone.

• Shiraishi deflected Odagiri’s complaint about Munakata’s arrest-warrant application and continued investigating the suspected revenge case.
• Suzuki Atsushi reported that Judge Jun Sakurai had taken leave and was likely staying at a remote villa in Okutama, while Shiraishi ordered a broad review of defendants’ families.
• Shiraishi found Murano Hikaru in the records and learned that Hikaru had testified against his father, Murano Keisuke, in the poisoning trial six years earlier.
• Munakata told Shiraishi that Murano Asuka had died the previous month, giving Murano Hikaru a possible motive to seek revenge.
• Shiraishi ordered Murano Hikaru placed under surveillance, learned that he had taken leave from work and volunteered for overtime, then called Kunikida, who did not answer.

Shiraishi traced Kunikida to Sakurai’s mountain villa, where Murano Hikari confessed to killing the men he blamed for framing his father. Kunikida stopped Murano from killing himself by promising to continue investigating the old case, and disarmed him.

• After failing to reach Kunikida, Shiraishi realized Murano could have made the negative-pressure gun at his factory using his technical knowledge.
• Murano knocked Sakurai unconscious, tied him up, and confronted Kunikida with Sakurai’s hunting rifle.
• Murano confessed that he had killed Matsui and Kobayashi after discovering they had conspired with Sakurai to frame his father and pressure him into giving false testimony.
• Sakurai tried to tackle Murano, but Murano dodged and threatened to kill him before police sirens approached the villa.
• Shiraishi forced his way inside and noticed the rifle’s safety was still on, allowing Kunikida to seize it while Murano drew a knife and threatened to kill himself.
• Kunikida told Murano he had found evidence that his father was innocent and was reinvestigating the case, then took the knife from him.

Shiraishi confronted Judge Sakurai about the secret proceedings that may have caused wrongful convictions, while Kunikida resolved part of his psychological barrier and prepared to revisit his old case. Shiraishi received a major achievement reward, then heard that Detective Amaki had made a discovery in Chiyoda.

• Shiraishi questioned Sakurai about secretly coordinating verdicts with Matsui and Kobayashi, and warned him to take responsibility if the reopened investigation proved a wrongful conviction.
• Shiraishi received 3,000 achievement points after Kunikida overcame part of his psychological barrier, and learned that the system counted indirect subordinates for cultivation rewards.
• Kunikida reported the case to Shiraishi and prepared to visit Beika Prison to continue overturning the six-year-old case tied to his trial mission.
• Shiraishi reviewed Kunikida's improved mental attributes and considered whether completing the mission could raise him to SSR rank.
• Munakata told Shiraishi that Detective Amaki had made a discovery in Chiyoda.

Shiraishi learned that Amagi Yu had decoded a serial killer’s coordinate clues, which pointed to the Suzuki Hotel in Beika Town as the next target. He arranged for Beika Police Station to protect the hotel and coordinate with the Metropolitan Police Department, then called Ayako to help secure the hotel’s cooperation.

• Munakata told Shiraishi that Amagi Yu had linked three murders across Tokyo and predicted the next would occur at the Suzuki Hotel.
• Megure explained that the killer’s numbered code cards gave coordinates connecting each murder scene to the next, with the latest pointing to Beika Town.
• Shiraishi challenged Director Ninomiya to move the Investigation Headquarters to Beika Police Station or let the two forces handle separate responsibilities.
• Ninomiya agreed to separate operations and assigned Megure’s Unit Three to assist Beika Police Station with security and investigation.
• Shiraishi organized a meeting for the Criminal Affairs Division and called Ayako to ask her to come help obtain the Suzuki Hotel’s cooperation.

Chief Shiraishi arranged a secret investigation at the Suzuki Hotel to prevent the serial killer’s next murder, while also expanding the investigation into the three previous cases. The chapter ended with Shima learning that Ayako could arrange the hotel operation because the Suzuki Hotel belonged to her.

• At the investigation meeting, Self-Love and Shima suggested secretly investigating the Suzuki Hotel without alerting the killer, and Shiraishi assigned them alongside Makitaka and Suzuki.
• Shiraishi asked Megure to review the previous murders, and Takagi revealed that Okabe Tetsuharu’s colleagues had initially assumed he committed suicide.
• Shiraishi assigned Kuroki to gather information about Okabe and said he would contact Vice-Minister Okamoto for help.
• After the meeting, Shiraishi brought the four undercover detectives to Ayako, who agreed to arrange ten hotel positions for them and assisting patrol officers.
• Shima asked Self-Love whether Ayako worked for the Suzuki Hotel, and Self-Love explained that the hotel belonged to her.

Shiraishi secured Okamoto’s cooperation and agreed to stay at Suzuki Hotel with Ayako as cover while the police investigated Teshima Masaki’s murder. By Saturday, Munakata had placed ten Beika Police Station officers undercover at the hotel, where Shiraishi and Ayako arrived.

• Shiraishi called acting Vice-Minister Okamoto and persuaded him to let a Beika detective investigate at the Ministry of Economy, Trade and Industry.
• Ayako proposed that Shiraishi stay with her in Suzuki Hotel’s new presidential suite to draw the murderer’s attention away from the other officers, and Shiraishi agreed.
• Munakata met with Suzuki Hotel manager Fujii Akira and arranged for four detectives and six patrol officers to work undercover at the hotel.
• Suzuki Atsushi greeted Shiraishi and Ayako at the hotel entrance and carried their luggage inside.
• Shiraishi entered the hotel and saw Yamagishi and Fujii Akira at the front desk.

Shiraishi joined the undercover investigation at Suzuki Hotel, where the Mori family unexpectedly checked in as well. A suspected guest, Furuhashi, nearly had his suitcase searched for a missing bathrobe, but Fuji abruptly stopped the confrontation before he opened it.

• Shiraishi checked into Suzuki Hotel with Ayako and Little Ai, then asked Yamagishi to alert police if she noticed anything unusual among the guests.
• Ran recognized Fuji as a police officer, but Conan interrupted her and tried to learn why officers were undercover at the hotel.
• Kogoro, Ran, and Conan decided to ask Shiraishi about the investigation after checking into their family suite.
• Furuhashi and his companion checked out, and hotel staff suspected they had taken a bathrobe from their room.
• Furuhashi angrily challenged the staff to search his suitcase, prompting undercover officers in the lobby to prepare for trouble.
• Fuji stopped Furuhashi from opening the suitcase and apologized, leaving Yamagishi puzzled and Furuhashi suddenly subdued.

Fuji exposed Furubashi’s attempt to provoke the hotel into paying him compensation, then joined Yamagishi and Muto as a frightened guest, Ms. Anno, asked the hotel to protect her from a stalker. The chapter ended with Ms. Anno insisting the hotel guarantee her safety after dismissing Fuji’s advice to seek police help.

• Fuji stopped Yamagishi from confronting Furubashi and sent him away, then explained that he had staged the bathrobe dispute to pursue a larger compensation payment.
• Fuji and Yamagishi found the missing bathrobe hidden beneath Furubashi’s mattress, confirming Fuji’s suspicion.
• Fuji, Yamagishi, and Muto discussed the hotel’s security cameras and the possibility that a serial killer was at the hotel.
• After their radios summoned them to the lobby, Fuji dragged away the greeter while Yamagishi took over assisting Ms. Anno.
• Ms. Anno showed Yamagishi a photograph of the man she said was stalking her and asked the hotel to refuse him a room.
• Fuji urged Ms. Anno to report the stalker to the police, but Ms. Anno insisted that the hotel guarantee her safety.

Detective Shiraishi investigated the supposed stalking victim, Anno, while Tatebayashi checked into the hotel with an advance reservation. Fuji and Shima realized Anno was the real stalker, but they reached room 1313 only after she had been caught by Tatebayashi.

• Shima reported that Anno had arrived without a reservation, and Shiraishi told him to watch her while remaining alert to other suspects.
• Shima said Narcissist had been enthusiastic toward Anno, prompting Shiraishi to ask for her room number and warn the staff to report any developments.
• Tatebayashi checked into his reserved room despite Yamagishi's suspicions, and Yamagishi told Anno that his room was 1313.
• Muto reported that Anno had left room 718, and Fuji realized that Anno was the real stalker after learning Yamagishi had given her Tatebayashi's room number.
• Fuji and Shima hurried to room 1313 but arrived to find Anno fleeing as Tatebayashi confronted her about her business trips to Tokyo.

Fuji grew suspicious of Mrs. Katagiri, an elderly guest who arrived wearing sunglasses, carrying a white cane, and claiming to be visually impaired. As Yamagishi went to investigate a noise complaint from Mrs. Katagiri, Fuji joined her and arranged surveillance of the guest.

• Anno revealed that her elaborate hotel stay had been a plan to catch her husband, Tatebayashi, cheating, and she checked out after securing his consent to a divorce.
• Narcissist eagerly followed the newly single Anno to her car, while Tatebayashi checked out in anger and embarrassment.
• Ran brought Conan back from the lounge, where Mori had gotten drunk, and suggested that she and Conan take a bath together; Conan tripped and bloodied his nose.
• Mrs. Katagiri arrived at the hotel, and Yamagishi took over her check-in after Fuji struggled to assist her.
• Fuji told Yamagishi that Mrs. Katagiri might be pretending to be blind because she wore gloves despite apparently relying on touch, then asked Kawai to watch her room.
• Kuga reported that Mrs. Katagiri had complained about noise, and Yamagishi went to investigate with Fuji.

Fuji and Yamagishi kept Katagiri under surveillance after her suspicious behavior, while Conan independently noticed signs that she was not blind. Meanwhile, Shiraishi learned that Okabe may have benefited from Teshima’s death and could be framing him as the mastermind behind the bribes.

• Yamagishi moved Katagiri from Room 616 to Room 1313 after Katagiri claimed the room was crowded with people, and Fuji arranged priority surveillance with Shima, Kawai, and Shiraishi.
• At breakfast, Fuji saw Katagiri recognize her from across the restaurant, and Conan challenged Katagiri’s blindness after noticing she could not read the hotel’s Braille menu.
• Fuji hurried to Room 1313 after learning Yamagishi had been there for ten minutes, but Yamagishi said she had only helped Katagiri look for a missing button.
• A button appeared on the carpet in front of Katagiri after Yamagishi had searched the area, leaving Fuji more suspicious even as Yamagishi insisted everything was normal.
• Shiraishi received Kuroki’s report that Okabe had submitted evidence blaming Teshima for the bribes, although some of the material appeared to have been prepared before Teshima died.

Kuroki used his connection to the Arakawa Group to pressure Doi into revealing accomplices in the bribery case, while Shiraishi’s team uncovered an apparent plot against bride-to-be Takayama and prepared to protect her at the hotel wedding. The investigation continued on two fronts, with Doi’s disclosures advancing the corruption case and the wedding threat still awaiting confirmation.

• Shiraishi prompted Kuroki to trace the bribery case back to Doi, and Kuroki decided to visit the Arakawa Group rather than question Doi directly in prison.
• Kuroki arranged for the Arakawa Group’s imprisoned members to pressure Doi, who then named his accomplices, including Okabe Tetsuharu, and revealed another name.
• Katagiri explained to Yamagishi that she had been checking the hotel for her blind husband, who was due to arrive in Tokyo the next day.
• Conan recognized the wrapping on the wine gift sent to Takayama, and Fuji stopped her from accepting it after spotting suspicious details on the delivery.
• Shiraishi told Takayama that the wine cork had a needle hole and that the gift appeared intended to harm her, then advised her to proceed with the wedding while Beika officers protected her.

Kuroki uncovered evidence linking Hiroyo Inoue and Okabe to the corruption and Teshima’s murder, leading to their confessions and Okabe’s transfer to the First Investigation Division. The arrests exposed the supposed serial murders as separate killings by unrelated suspects, while Shiraishi asked Little Ai to test the wine suspected of being used against Takayama.

• Kuroki told Shiraishi that Hiroyo Inoue may have falsified Chizuru Honda’s call evidence to give Okabe an alibi, and Shiraishi arranged for the Second Investigation Division to help investigate.
• After Inoue confessed, Okabe admitted to murder and was transferred to the First Investigation Division; the police learned that the three murders had been committed by different killers who had coordinated through coded slips.
• Megure informed Ninomiya that Beika Police Station had caught Okabe, and the Investigation Headquarters shifted its focus to the separate murder cases.
• Ninomiya’s team arrested the first victim’s husband after Okabe’s confession renewed suspicion of him.
• With the wine analysis still inconclusive, Shiraishi asked Little Ai to test the sample, and she fed it to a white mouse while suggesting Shiraishi could test toxins himself.

Little Ai proposed improving Shiraishi’s resistance to neurotoxins and tested a suspicious wine sample with his help, prompting him to connect the needle hole and the Suzuki Hotel to the serial murders. Shiraishi’s investigation led police to a cross-dressing attacker at the hotel, and officers arrested him after a chase.

• Little Ai outlined genetic treatments to strengthen Shiraishi’s resistance to neurotoxins and protect his cells, while Shiraishi worried about the risks of experimenting on his body.
• At Little Ai’s suggestion, Shiraishi tasted a small drop of the suspicious wine and detected no reaction; he then realized the needle hole might have been staged and ordered Kuroki to investigate the victims’ connections to the Suzuki Hotel.
• Kuroki’s team found that the second victim had stayed at the Suzuki Hotel, while Shiraishi arranged extensive plainclothes surveillance at a wedding there.
• A cross-dressing man charged at Mr. and Mrs. Takayama after the wedding, then fled when a plainclothes officer confronted him.
• Muto tackled and handcuffed the fugitive after a hotel chase, while Shima picked up a card bearing coordinate numbers.