The fourth season of Bungou Stray Dogs. 
 
No longer concerned with military affairs, Yukichi Fukuzawa intends to act as a lone bodyguard-for-hire, making use of his deadly swordsmanship. However, things are not going as planned for his freelance business, and that is when he crosses paths with a mouthy boy named Ranpo Edogawa. While their initial interactions are intertwined with a bizarre murder mystery, the aftermath prompts the formation of the Armed Detective Agency. 
 
Presently, Ranpo finds himself chasing down a gifted individual with the dangerous ability to execute the perfect crime. But as the great detective unravels the case, he soon discovers an elaborate plot to obliterate the Agency in its entirety. 
 
Although forewarned of the trap, the Agency continue their pursuit of the criminals, only to end up framed for the crime themselves. Now branded as wanted terrorists, the remaining members must find a way to prove their innocence—even if they must turn to sworn enemies for assistance. 
 
(Source: MAL Rewrite)

The third season of Bungou Stray Dogs. 
 
The White Tiger and the Black Beast – Nakajima Atsushi and Akutagawa Ryunosuke’s fight against Francis F. brings an end to the great war against the Guild. Life goes on as normal in Yokohama, thanks to the continued truce between the Armed Detective Agency and the Port Mafia, who, together, saved the city from ruin. But there are still rumors of Guild stragglers and other crime organizations making their way in from abroad. Meanwhile, Dazai Osamu had premonitions of another impending disaster. Lurking in the darkness is the Fyodor D., leader of pirate organization Rats in the House of the Dead, his dreadful plans on the verge of execution.
 
(Source: Crunchyroll)

Having been kicked out of the orphanage, a despairing young man by the name of Atsushi Nakajima rescues a strange man from a suicide attempt--Osamu Dazai. Turns out that Dazai is part of an armed-detective agency staffed by individuals whose supernatural powers take on a literary bent! 

(Source: Yen Press)

Over a decade before the events of the manga series, a chance encounter leads professional bodyguard Yukichi Fukuzawa to begrudgingly take an arrogant boy genius named Ranpo Edogawa under his wing. Their first job brings them to a local theater on high alert after receiving a bizarre death threat-a challenge that will require both Ranpo's brains and Fukuzawa's experience. The aftermath spurs Fukuzawa to establish the Armed Detective Agency, an organization that takes on dangerous jobs even the police won't handle!
 
Plus, get a glimpse of the agency the night before Atsushi Nakajima joined the team!
 
(Source: Yen Press)

The fifth season of Bungou Stray Dogs. 
Detective employees are caught one after another, and Kamui, the leader of Tenjin Goshui, is closing in on the Armed Detective Agency. Will the Agency survive?! 
(Source: Crunchyroll)

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