"When the Agency and the Port Mafia receive a visit from an old mutual friend, they learn where Dostoyevsky's clandestine base is hidden. Two sworn enemies--Atsushi and Akutagawa--must now bite the bullet and infiltrate the site together under Dazai's orders, but will this forced teamwork give birth to an invincible duo... or will it stir hatred once more?"--Provided by publisher.

"With the heads of the Agency and the Port Mafia on the brink of death due to a 'cannibal' virus, the vicious rivalry between the groups rears its head once more! As the fearsome Akutagawa and the former assassin Kyouka face off in a fatal battle, a rare confrontation between the cocky Chuuya and genius detective Ranpo threatens to disrupt the city's peace. Meanwhile, Kunikida and Atsushi are off to search for a cure, but will they make it in time...

"The fate of the world--and the Armed Detective Agency--rides on Aya's small back as she makes her escape with Bram in tow. Meanwhile, deep within the Meursault prison, Gogol intrudes upon the maximum security block to set the stage for Dazai and Dostoyevsky to compete in a deadly jailbreak game. Aided by Sigma, Dazai takes up the challenge...but Dostoyevsky has an unexpected assistant of his own!"-- Back cover.

"Still on the run from the law, the Armed Detective Agency is forced to strike deals with the unlikeliest of allies. As Atsushi negotiates with Fitzgerald to use the 'Eyes of God' and Dazai is locked in a battle of wits against Dostoyevsky, the Port Mafia offers to shelter the others--but only if Yosano comes over to their side. With nowhere else to turn and the military's Hunting Dogs closing in, Yosano must come to grips with her dark past ..."--Provided...

"Thanks to the Decay of the Angel, the Armed Detective Agency is on the run as the nation's most wanted criminals. To pursue them, the military police dispatch their elite suppression unit: the Hunting Dogs, led by Captain Ouchi Fukuchi. Do Yokohama's wandering strays have what it takes to escape the government's fangs?!"--Provided by publisher

"Standing in the way of Dazai and Sigma’s escape from Meursault is none other than Chuuya Nakahara, now reduced to Dostoyevsky's vampiric puppet. If Dazai wants to come out of Gogol's deadly game alive, he'll have no choice but to say farewell to his onetime partner! Meanwhile, back at the airport, the rest of the Armed Detective Agency are pulling out every trick in the book to keep the Decay of the Angel's plan from bearing fruit. But faced...

"Atsushi stands together with his rival, Akutagawa, before Fukuchi Ouchi--veteran of innumerable battles, friend to President Fukuzawa ... and leader of the Decay of the Angel. If the two defeat him, they can clear the agency's name and bring the whole incident to a close. However, while they may have defeated powerful enemies before, nothing can prepare them for the might of the living legend known as the strongest skill user!"-- Back cover.