孤児院を追われた青年・中島敦は、とある自殺志願の男を助ける。男の名は太宰治…国木田、与謝野らと共に異能力集団「武装探偵社」に所属し、「人食い虎事件」を調査していて…！？新感覚横浜文豪異能力アクション！

Manche Fälle sind einfach zu gefährlich für die Polizei. Wenn ein Tiger herumstreunt, der größer ist als ein Kleinlaster oder ein Typ auftaucht, dessen Mantel sich in eine mordlustige Bestie verwandeln kann, freut sich der japanische Streifenpolizist, dass es die Armed Detectives gibt. Eine wilde Truppe übernatürlich begabter Verbrechensjäger, deren Methoden so unorthodox sind wie ihre Fähigkeiten. Klar, dass sich Atsushi - Waisenjunge mit Minderwertigkeitskomplexen und einer dunklen Vergangenheit - bei den Detectives gleich wohl fühlt!

自分の意思とは無関係に戦いを強制されていたマフィアの刺客・泉鏡花を助けた敦は、次第に心を通わせていく。しかし、芥川はまだ諦めてはいなかった…！？太宰が最も嫌う敵・中原中也も登場する、波乱の第３巻！

The American group of ability users known as the "Guild" appears, led by the wealthy Francis Scott Fitzgerald, who has his sights set on the Armed Detective Agency! Can Agency president Fukuzawa stop him...!? Not if Guild member Lucy Montgomery and can help it!

The American group of ability users known as the -Guild- appears, led by the wealthy Francis Scott Fitzgerald, who has his sights set on the Armed Detective Agency! Can Agency president Fukuzawa stop him...!? Not if Guild member Lucy Montgomery and can help it!

As Ryuunousuke Akutagawa and Nathaniel Hawthorne engage in a life-or-death battle, Chuuya Nakahara has information about The Guild's plot to destroy the Armed Detective Agency. H.P. Lovecraft and John Steinbeck also reveal their powerful abilities!

When Atsushi falls victim to the psychic attack of the mysterious "Q," Francis Scott Fitzgerald suddenly appears. Astute runs to get help from Kyouka, but is captured by The Guild, who launches their final plan: the destruction of Yokohama!?

マフィアとの同盟、敦の提案を受けて、鴎外と福沢社長の会談が設けられることに。しかし、交渉は決裂。仕方なく、Qを確保するために太宰は敵地に単身潜入する。ピンチとなった太宰の前に現れたのは、あの男…! ?

横浜の街に白鯨が落ちるタイムリミットが迫る中、敦は仇敵・芥川と船内で遭遇! フィッツジェラルドとの三つ巴の戦闘に突入する。強大なフィッツの異能を前に、白鯨落としを阻止したい敦と芥川が取った行動とは…! ?

War with the Guild draws to a close, and conflicts with the Mafia reach a momentary truce. However, an unexpected string of events drags Atsushi and Kunikida into an ill-fated confrontation with characters from their pasts! With the Armed Detective Agency having narrowly escaped obliteration by the Moby-Dick, the gang enlists help from an old ex-agent and hacker to investigate the bigger organization behind its descent...!