Chapter Summaries

Seiya exposed Professor Moriarty's disguise and held him hostage, then forced Colonel Moran's gang to release Ran by threatening them with lethal force. The group escaped the immediate danger, while Moriarty recognized Seiya as a frightening and unpredictable opponent.

• Seiya explained that Moriarty's cologne, expensive shoes, and poor driving had revealed him as the real Professor Moriarty.
• Moriarty praised Seiya's deduction and concluded he was not acting under Sherlock Holmes's orders.
• Seiya asked Moriarty to make Colonel Moran release his friends, while Sonoko moved to rescue Ran.
• Colonel Moran aimed his gun at Sonoko, and Seiya threatened to kill him and his family if he harmed her.
• Moriarty ordered Moran to obey Seiya, and Moran's men released Ran as Sonoko boasted about her little brother.

Seiya and his companions confronted Professor Moriarty to learn how to find Jack the Ripper, while Sonoko distracted everyone by sampling Moriarty’s prized wine. Moriarty admitted that Jack was his adopted, trained assassin and agreed to lure him out with a newspaper notice the next day.

• Sonoko took Seiya’s wine and drank it herself, then demanded more from Colonel Moran while Ran urged her to behave.
• Conan told Professor Moriarty they wanted to capture Jack the Ripper based on information in Sherlock Holmes’s notes.
• Seiya explained that they wanted to bring Jack to justice, prompting Moriarty to question his motives and Sonoko to defend him.
• Professor Moriarty revealed that he had adopted and trained Jack as an assassin, but Jack had recently become difficult to control.
• Professor Moriarty agreed to publish information about Jack’s next murder in the newspaper so Seiya and his companions could stop him the following day.

Sindora entered the Cocoon game as Jack the Ripper and decided to use the role to eliminate Seiya and the other players, while plotting to take control of Professor Moriarty and London's criminal underworld. After Conan and the others learned Irene was Jack the Ripper's target, they rushed to the Opera House, where Seiya warned Conan not to let his attachment to Sherlock Holmes dictate his choices.

• Sindora discovered he had become Jack the Ripper inside the game and resolved to kill Seiya and the other players before they could expose his secrets.
• Sindora read Professor Moriarty's coded newspaper message ordering Jack the Ripper to assassinate Irene, and decided to use the opportunity to seize control of Moriarty and his criminal network.
• Conan and the others deciphered the message, grew angry that Moriarty had used Irene as bait, and headed for the Opera House.
• Seiya reminded Conan that Moriarty and Irene were fictional characters in a game and urged him to make the right choice when the critical moment came.

Seiya rejected Conan’s plan to protect Irene at the Opera House, arguing that the group should prioritize catching Jack the Ripper and the fifty lives at stake. He left to intercept Jack at a train station, while Hiroki began to doubt whether Seiya deserved his trust.

• Seiya told Conan and the others that he would act alone because he opposed risking the group to protect Irene, who had chosen to remain in danger.
• Sonoko left the Opera House with Seiya after he promised to bring her safely back to the Real World.
• Conan realized Seiya considered using Irene as bait the more rational choice, but Conan could not bring himself to do it.
• Seiya went to the nearest Train Station, expecting Jack the Ripper to flee there disguised as a British noblewoman.
• Hideki Morohoshi asked Conan and Little Ai whether Seiya had always been like that, and Hiroki began reconsidering whether to entrust him with Noah's Ark.

As Ran, Conan, and the others guarded Irene during the opera, Jack the Ripper used an explosion and blackout to kill Professor Moriarty instead. Moriarty’s death left London facing chaos, and Conan and the others were stunned by the unexpected murder.

• Little Ai compared Seiya’s rational choice with Conan’s emotional decision to protect Irene, while Hiroki reflected on their differing views.
• Ran, Conan, and the others guarded Irene as she performed at the Opera House, while Professor Moriarty waited in the VIP seats for Jack the Ripper to attack.
• Jack the Ripper caused an explosion and plunged the Opera House into darkness, prompting Conan, Ran, and the others to surround and protect Irene.
• Jack the Ripper approached Professor Moriarty from behind and stabbed him, revealing that Moriarty—not Irene—had been his target.
• Jack the Ripper said Moriarty’s death would let him take over the man’s forces, and Moriarty’s body fell from the gallery as the guests panicked.

After Professor Moriarty was found dead, Colonel Moran mistook Conan and the others for the killers and pursued them through London. Conan, Ran, and Hideki Morohoshi escaped aboard a train, but Ran sensed danger and shoved Conan aside.

• Colonel Moran arrived at the Opera House, saw Professor Moriarty's corpse, and accused Conan and the others of killing him.
• Colonel Moran ordered his men to kill everyone, while Sindora watched from the shadows and prepared to pursue the children himself.
• Colonel Moran's men eliminated Little Ai, Sonoko, and others as Conan, Ran, and their companions fled toward the Train Station.
• Conan, Ran, and Hideki Morohoshi boarded a train just before Colonel Moran caught them, and Conan regretted that Ai Haibara had been eliminated.
• Hideki Morohoshi tried to reassure Conan, but Ran sensed danger and shoved Conan away.

Ran was eliminated after Jack the Ripper stabbed her, leaving Conan and Hideki Morohoshi to face him. Hideki revealed that Jack the Ripper was an outside player, and Sindora recognized Hideki as Hiroki.

• Conan deduced that Jack the Ripper was Honey Chalmers's abandoned child from the matching rings and his unusually slender finger.
• Jack the Ripper stabbed Ran, who was forced to leave the game, then threatened Conan and Hideki.
• Conan feared that he and Hideki could not defeat Jack the Ripper without his usual gadgets or Ran's help.
• Hiroki learned from Noah's Ark that Jack the Ripper's code had been altered and an outside consciousness controlled him.
• Hiroki told Conan that Jack the Ripper was an outside player, and Sindora guessed that Hideki was actually Hiroki.

Hiroki revealed himself to Sindora inside the game, and Seiya arrived just as Sindora attacked Conan and the others. Seiya exposed Sindora’s connection to Hiroki and Kenmura’s deaths and explained how Kenmura had set a trap to bring him to justice.

• Hiroki identified himself to Sindora and accused him of killing his father, while Sindora denied the accusation and attacked him and Conan.
• At the press conference, Inspector Megure learned Sindora had barricaded himself inside the room containing a Cocoon unit.
• Sindora tried to kill Conan and the others, but Seiya intervened and forced him to retreat.
• Seiya accused Sindora of killing Kenmura to conceal his descent from Jack the Ripper and his role in Hiroki’s death.
• Seiya explained that Kenmura had hidden JTR’s death information in the game so Yusaku Kudo could uncover Sindora’s secret and expose him if he committed murder.

Seiya revealed that Kenmura had deliberately let Sindora kill him so Yusaku Kudo could expose Sindora as Jack the Ripper’s descendant and avenge Hiroki. The chapter ended with Seiya jokingly crediting Sonoko for his deduction while Tomoko received praise for her son.

• Seiya explained that Kenmura had hidden evidence of Sindora’s lineage and motive in the Old London game and left the message JTR for Yusaku Kudo to understand.
• Seiya revealed that Yusaku was represented as Sherlock Holmes in the game and produced Kenmura’s letters addressed to him.
• Sindora realized Kenmura had used his own death as bait to send him to prison and reacted with fury.
• Seiya told Sindora that Kenmura had given him a chance to spare him, but Sindora had chosen to kill him.
• Guests praised Seiya’s reasoning, and Seiya claimed Sonoko had secretly supplied it, prompting Conan to doubt her supposed detective skills.

Seiya held Sindora off as Jack the Ripper while Conan and the others tried to save themselves from the runaway train. The train crashed into the station, Seiya was forced out of the game, and Inspector Megure arrested Sindora.

• Sindora admitted he intended to destroy everyone in the Cocoon, but Seiya confronted him with a short blade.
• Seiya told Conan and the others to reach the last carriage and immerse themselves in red wine to cushion the train crash.
• Seiya repeatedly fought Jack the Ripper to stop him pursuing Conan and the others, despite being outmatched physically in the game.
• Seiya pierced Jack the Ripper's heart just before the train crashed, and the game judged Seiya to have failed.
• Sindora questioned Seiya's combat experience, and Seiya identified himself as Seiya Suzuki before disappearing from the game.
• The train crashed into the station, and Inspector Megure and the others arrested Sindora after he awakened from the Cocoon.

After surviving the train crash, Conan and Seiya met Hiroki, who thanked them and prepared to leave for his dead father. Hiroki entrusted Noah's Ark to Seiya, who promised to use it for entertainment and described plans for a virtual world game, leaving Conan astonished by the boys' genius.

• Conan, Seiya, and Hiroki gathered after the game, and Hiroki thanked them for helping clear his father's name.
• Conan admitted his identity as Shinichi Kudo, then asked Seiya why he had kept it secret; Seiya said he preferred treating him as a peer and would have exposed him if he had bathed with his sisters.
• Hiroki said he was returning to his father's side and entrusted Noah's Ark to Seiya and Conan, explaining that he had restricted it to entertainment or it would self-destruct.
• Seiya accepted Noah's Ark and presented Hiroki with plans for a virtual world game, promising to use the AI to bring joy to children.
• Hiroki praised Seiya's ideas, while Conan struggled to follow their discussion and marveled at Seiya's talent.

After Hiroki entrusted Noah's Ark to Seiya, Seiya and Conan woke from their Cocoons and reunited with their families. Seiya credited Sonoko with his final deduction, leaving her convinced that she had been the great hero of the game.

• Hiroki faded away after giving Noah's Ark to Seiya, and Seiya and Conan awoke in their Cocoons.
• Tomoko Suzuki rushed to Seiya and praised him, while Sonoko complained that her mother had ignored her.
• Tomoko criticized Sonoko's performance, but Seiya claimed that Sonoko had given him the deductions he needed.
• Tomoko suspected Seiya had solved the mystery himself but let him give Sonoko credit to protect his image and restore hers.
• Sonoko believed she was the Queen of Deduction, demanded a reward, and got smacked on the head by Tomoko's fan.
• Sonoko ran to Ran to ask what she had deduced, while Tomoko sighed over her daughter's foolishness.

After the Cocoon disaster, Seiya discussed acquiring Shindora Company with Tomoko Suzuki so he could build a fully immersive virtual world using Noah's Ark. Tomoko saw the plan's potential, but Seiya said its success depended on securing Shindora's technical staff and overcoming current technological limits.

• Tomoko Suzuki held Seiya close and considered what kind of wife he should have when he grew up.
• Thomas Shindora was arrested for murdering Mr. Kenmura and endangering the children, while Seiya endured the guests' thanks before leaving with Tomoko Suzuki and Sonoko.
• Seiya asked Tomoko whether Shindora Company would collapse after its chairman's arrest, and she explained that its shareholders and technology might keep it afloat.
• Seiya told Tomoko that Hiroki had entrusted him with Noah's Ark and that he wanted to acquire Shindora Company to develop a fully immersive virtual game world.
• Seiya demonstrated Noah's Ark's calculations and estimated an eighty-percent chance of success, citing technology limits and the need to train Shindora's programming talent.

Seiya persuaded Tomoko Suzuki to support his plan to acquire Shindora Company and develop a fully immersive virtual game, and the company was bought by the Suzuki Corporation. Sonoko told Ran and the Detective Boys that Seiya owned shares and served as Shindora Company's general manager and development director, while Conan explained the technology behind immersive games.

• Tomoko Suzuki offered Seiya up to twenty billion yen and promised to support his acquisition plan, arguing that Shindora Company's technology and assets made it a worthwhile investment.
• News coverage of Thomas Shindora's arrest and the Suzuki Corporation's acquisition of Shindora Company made Seiya famous as a genius elementary school student.
• The Detective Boys and Conan asked Sonoko why Seiya had been absent from school, and she said he was busy with his own company.
• Sonoko explained that Tomoko had bought Shindora Company for nearly thirty billion yen and described the family's shares and Seiya's leadership roles.
• Conan explained how immersive virtual reality games worked, leaving Sonoko annoyed that he had interrupted her chance to show off.

Sonoko explained the Suzuki Corporation’s plans to create an affordable full-dive virtual world and offered to take Ran, Conan, and the others to try it. The group agreed to visit Seiya, while Conan reflected on Sonoko’s wealth and her shares in Seiya’s company.

• Conan explained the technical and financial challenges of building a virtual world, leaving the children worried they could not afford the equipment.
• Sonoko said Seiya and Noah's Ark were overcoming those challenges and described her experience testing the realistic virtual world.
• Sonoko explained that affordable equipment could help the Suzuki Corporation profit through the game and its related products.
• Sonoko offered to take the group to experience the game and visit Seiya, and everyone accepted despite Ran’s concern about imposing.
• Conan thought about Sonoko’s wealth and suspected Seiya had given her and Ayako ten percent shares each in his company.

Sonoko brought Ran and the others to Seiya’s company, where strict security initially blocked them from entering. Ayako and Yuzo welcomed the group and explained that the company’s virtual-world project had attracted major investors and required strong protection.

• Sonoko brought Ran, Conan, and the others to Seiya’s company, but security guards stopped them from entering the guarded development area.
• Ayako Suzuki and her fiancé, Yuzo Tomizawa, arrived and welcomed Ran and the children, thanking them for helping clear Yuzo’s name in the Tomizawa family murder case.
• Ayako vouched for the visitors, and the guards allowed them into the company.
• Sonoko complained about the security and wished she had a senior role, while Ayako explained that their mother’s precautions were justified by the project’s importance.
• Yuzo said that conglomerates were increasingly seeking to invest in Seiya’s project, and even his brothers had asked about obtaining a share.

Ayako explained to Sonoko how valuable the sisters’ shares in Seiya’s virtual-world company had become and why Tomoko had wanted to buy them back. At Seiya’s laboratory, he recruited Ran and the others to test a portable diving device, and Conan was fitted with a helmet before he could object.

• Ayako and Yuzo Tomizawa told Sonoko that conglomerates, including the Tomizawa Conglomerate, had offered substantial trades for Ayako’s shares because of Seiya’s virtual-world technology.
• Ayako explained that Tomoko had considered buying back the sisters’ shares but backed down after Seiya threatened to quit if she did.
• Ran, Conan, and the others arrived at Seiya’s laboratory, where he offered them portable diving devices in exchange for testing them.
• The Teitan’s Three Fools eagerly accepted Seiya’s offer, and Seiya placed a metal helmet on Conan before he could stop them.

A television commercial announced Seireien Company’s fully immersive game Second World and its New-404 device, prompting Ran to explain that she and Conan had already tried it. Conan recalled that Seiya had kept his promise to Hiroki.

• A commercial interrupted Kogoro Mori’s horse racing broadcast, and Yoko Okino demonstrated Second World by battling a monster in the virtual world.
• Yoko Okino explained that the game used Seireien Company’s New-404 full-dive device and advertised its release and price.
• Kogoro Mori compared Second World to Shindora Company’s Cocoon and questioned whether the Suzuki Corporation risked losing money on it.
• Ran told Kogoro Mori that she and Conan had already experienced Second World and said the commercial showed genuine gameplay.
• Ran brought out the full-dive device to let Kogoro Mori try it, while Conan thought Seiya had fulfilled his promise to Hiroki.

As Second World became a huge success, Seiya’s company and family gained wealth and influence, while Seiya drew unwanted attention as the game’s young creator. He moved into the Mouri Detective Agency and told Conan that he suspected a troublesome group had targeted him.

• Second World won praise from players and officials, sold out across larger markets, and sent its secondhand price soaring.
• Tomoko Suzuki gained influence as chairwoman of Seireien Company, while Seiya’s family collected most of the game’s profits.
• News outlets and wealthy families pursued Seiya after his role in developing Second World became known, so he temporarily moved into the Mouri Detective Agency.
• Kogoro Mori accepted Seiya as a guest after Seiya placed a check before him.
• Conan complained that Seiya’s fame had brought trouble and disrupted his time with Ran.
• Seiya told Conan that he had come to stay partly because he felt targeted by a troublesome group.

Conan learned that a woman in black had infiltrated Seiya’s company and stolen important Second World data, while clashing with FBI and Security Bureau agents. He suspected the Black Organization was behind the theft and worried about whether the woman escaped and what she might do with the data.

• Seiya told Conan that a woman in black had breached the company’s security and stolen Second World data before clashing with FBI and Security Bureau agents.
• Conan suspected the Black Organization was involved and questioned how Seiya had identified the agents.
• Seiya explained that Noah’s Ark had traced the agents’ identities and that the FBI and Security Bureau had confirmed them while warning him about the dangerous international criminal organization.
• Seiya showed Conan the sole surviving image of the woman, which revealed only her back.
• Conan concluded that the Black Organization likely wanted Second World’s technology and feared that Seiya might be targeted if the theft had failed, or that players could be endangered if it had succeeded.