Tensions between the Detective Agency and the Port Mafia run high as they both scramble to save their own leaders while avoiding an all-out war.

The Detective Agency president is in safe hands for now, but unless he or the Port Mafia boss dies, a full-scale war between the two organizations is inevitable.

Mori Ougai and Fukuzawa Yukichi fight to the death in a desperate bid to save the organizations they lead from falling into a devastating war.

Louisa reunites with Fitzgerald, but he’s not quite the man he used to be.

The leaders of the Port Mafia and the Detective Agency are attacked by an assassin in a mask, leaving both of them ill.

The café that the Detective Agency members frequent is attacked by The Park, who are after the Guild’s property.

The Agency is tasked with finding and delivering an important document. A man is hit and killed by a truck. His identity shocks Atsushi.

Nakahara Chuuya and Dazai Osamu reveal the truth behind Arahabaki, Randou, the former Port Mafia boss and Chuuya himself.

Port Mafia executive Ace captures Fyodor, who was behind the destruction of the Moby Dick. Keeping him captured may prove to be more difficult.

Port Mafia leader Mori Ougai orders a fifteen-year-old Dazai Osamu to investigate the appearance of a certain individual in the Yokohama Settlement area.

Dazai Osamu and Nakahara Chuuya are attacked by GSS soldiers in the middle of investigating an explosion caused years ago by Arahabaki.

Rampo receives an invitation to a detective game from none other than E. A. Poe. He’s indifferent at first, until Poe reveals what the reward would be should he win.

Atsushi searches desperately for the control terminal, which he would need to stop the Moby Dick from crashing into Yokohama. He’s greeted by Akutagawa and Francis, both of whom have…

Atsushi and Akutagawa fail to call off the Moby Dick’s descent. They search desperately for other ways to protect Yokohama.

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…

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.”

The leaders of the Agency and the Port Mafia negotiate an alliance. Meanwhile, Dazai and Chuuya face off against Lovecraft.

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…

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.

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…

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,…

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…

In the aftermath of Atsushi and Dazai’s abduction, the Agency must decide what to do with Kyouka, the loose end. Meanwhile, the Port Mafia also deliberates what to do with…

Francis, the leader of The Guild, a North American organization of gifted members, is the one responsible for the bounty on Atsushi’s head. Fukuzawa refuses Francis’s offer to buy out…

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…

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…

Kyouka was made into an assassin by those who abused her ability, and Atsushi can’t help but feel sympathy toward her. Unable to turn her in to the military police,…

Dazai has a face-off with his ex-partner, Chuuya, as Chuuya attempts to uncover Dazai’s true intentions for letting himself get captured. Meanwhile, Atsuhi faces Akutagawa’s intense and inexplicable hatred for…

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…

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…

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…

Despite joining the Armed Detective Agency, Nakajima lacks conviction that he’d be of any use. Just as he’s about to bid the agency farewell, a bomber takes over the agency…

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…

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…

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…

It’s Japan’s most romantic time of the year and Kyotaro and Anna are not-on-a-date. Kyotaro is keeping a running tally of all his screw ups, but Anna is enjoying herself.