Noah's Ark—the latest in VR technology and a milestone of human innovation—is set for a showcase to Japan's privileged children. They have the honour of beginning a new revolution in gaming; however, their carefree fun is cut short when a company employee is found murdered, with his dying message pointing to a clue hidden within the Ark.

Along with the Detective Boys and Ran Mouri, Conan Edogawa enters Noah's Ark to solve this mystery and ensure the perpetrator is caught. But once they're inside the Ark, it takes on a mind of its own, imprisoning them and the children within its worlds. To escape and bring the murderer to justice, Conan and company must navigate a simulated 19th century London and track down the infamous Jack the Ripper—with the lives of 50 innocent children depending on them.

[Written by MAL Rewrite]

On a rainy afternoon, the Detective Boys witness a murder across the street. Barred by traffic, the culprit slips away and Conan Edogawa is left a single clue by a dying detective. Days later, another detective is found murdered in a parking lot, leaving the police rattled. Suspicious that the culprit is one of their own, everyone in the police department without an alibi is suspect. But despite being on high alert, they are outmaneuvered and suffer yet another attack—this time with Ran Mouri finding herself in the crossfire.

Traumatized, Ran wakes in the hospital with retrograde amnesia, remembering nothing about her life. Soon released, she struggles to remember her past and grows fearful of not regaining her memories before being targeted by the killer for what she witnessed. As she is guarded by friends and family, it is up to Conan to piece together the clues and find who the murderer is before they strike again.

[Written by MAL Rewrite]

Brought up in a conflict-ridden environment, child soldier Jonathan "Jonah" Mar hates weapons and those who deal them. But when Koko Hekmatyar, an international arms dealer, takes on Jonah as one of her bodyguards, he has little choice but to take up arms. Along with Koko's other bodyguards, composed mostly of former special-ops soldiers, Jonah is now tasked with protecting Koko and her overly idealistic goal of world peace from the countless dangers that come from her line of work. Jormungand follows Koko, Jonah, and the rest of crew as they travel the world selling weapons under the international shipping company HCLI. As Koko's work is illegal under international law, she is forced to constantly sidestep both local and international authorities while doing business with armies, private militaries, and militias. With the CIA always hot on her trail, and assassins around every corner, Jonah and the crew must guard Koko and her dream of world peace with their lives or die trying. [Written by MAL Rewrite]

Naho Takamiya's first day of her sophomore year of high school is off to an uneasy start. After waking up late, she receives a strange letter addressed to her. However, the letter is from herself—10 years in the future! At first, Naho is skeptical of the note; yet, after witnessing several events described to take place, she realizes the letter really is from her 26-year-old self. The note details that Naho's future life is filled with regrets, and she hopes that her younger self can correct the mistakes that were made in the past. The letter also warns her to keep a close eye on the new transfer student, Kakeru Naruse. Naho must be especially careful in making decisions involving him, as Kakeru is not around in the future. With the letter as her guide, Naho now has the power to protect Kakeru before she comes to regret it once more. [Written by MAL Rewrite]