Dazai goes missing, but the Agency operatives feel it's just business as usual. Meanwhile, Atsushi accompanies Yosano Akiko on a shopping expedition, where they are suddenly plunged into the middle of a terrorist bomb threat by one of the Port Mafia...

Atsushi is abducted onto the Moby Dick. Meanwhile, Lovecraft succeeds in capturing Q. Francis F. and the Guild prepare to carry out what they call their "emergency plan."

Following the Azure Messenger's bomb threat, the Armed Detective Agency must race to prevent the deaths of hundreds, which would taint the Agency forever. However, Dazai's seemingly distracted by Sasaki Nobuko, the lone survivor of their raid on the ab...

John S. and Lovecraft hunt down Naomi and Haruno as they flee from town. While Atsushi and Dazai wait for them to arrive at the train station, Dazai notices a shady figure stalking him.

The Agency investigates a series of disappearances in Yokohama. Kunikida enlists the help of a hacker named Taguchi Rokuzou, but all they find are photos of the victims and mention of a mysterious figure called the Azure Messenger. They follow the trai...

Mori, the leader of the Port Mafia, sends a letter to Margaret M. and Nathaniel H., threatening to destroy them and the ship they are protecting.

After repelling the Port Mafia's Black Lizards with deceptive ease, Atsushi is tasked with accompanying Rampo to a case. Skeptical of the self-dubbed great detective who seems to lack all common sense, Atsushi is about to witness Rampo's ability first-...

Trusting in a life that doesn't require her to kill, Kyouka works her first job at the Armed Detective Agency, but the job ends in a minor disaster. As Atsushi attempts to cheer her up, the unthinkable happens--Kyouka's inactive cell phone rings, and a...

Though saved from the Port Mafia by Dazai's intervention, Atsushi feels responsible for bringing trouble to the Agency's door. Rather than risk another attack because of him, Atsushi decides to leave the Agency and makes a call to the Port Mafia...

While the leaders of the Port Mafia and the gifted special operations division meet via Ango, Dazai is close to discovering the true significance of the conflict between the three groups. However, in despair, Odasaku's deaf to Dazai's entreaties not to...

Now an official member of the Agency after passing their entrance exam, Atsushi is assigned to his first case right away with Tanizaki and Naomi. Though deceptively simple on the surface, there's more than meets the eye...

The Port Mafia's council of five top executives has decreed that Mimic must be annihilated. In the ensuing battle, Odasaku has a fateful encounter with Gide, the leader of Mimic, who makes a cryptic prophecy. Night falls, and the usual bar now awaits D...

Despite joining the Armed Detective Agency, Nakajima lacks convection that he'd be of any use. Just as he's about to bid the agency farewell, a bomber takes over the agency with one of the agency employees as his hostage...!

The reason that Odasaku went to a certain Western style restaurant was not just because of the curry. He is having the owner watch over a group of young children who had lost their parents two years ago in the war. Odasaku is trying to track down Ango,...

Driven out from his orphanage, Nakajima Atsushi wanders the streets of Yokohama on the bring of starvation. Determined to live, a chance encounter with a drowning stranger changes his fate...

On a misty night, Oda Sakunosuke, Dazai Osamu, and Sakaguchi Ango meet as always at their usual bar. For the trio of Port Mafia members, it a night spent in camaraderie like any other, but Ango vanishes that very night. Oda is given a direct order from...