Nagate, Yuka

The spy suspense manga's story centers on Japan's weakest intelligence agency, as they take on a national defense crisis.

(Source: ANN)

Habou no Wadachi: Kouan Chousachou Chousakan Hase Kuuya

ハボウの轍〜公安調査庁調査官・土師空也

Fukami, Makoto

While attending a meeting as a Chief Inspector of the Public Security Bureau, Akane Tsunemori received a report that an incident had occurred on a foreign vessel, and this was the beginning of a big and unexpected case.

(Source: IMDb)

Shousetsu Gekijouban Psycho-Pass: Providence

小説 劇場版 PSYCHO-PASS PROVIDENCE

Nagase, Sarasa

Kamikou, Chizu

When it comes to light that Octavia de Reine isn't a legitimate member of the noble House of Reine, she swiftly finds herself disowned. At first she takes this in stride...until her power hungry father and ex-suitor start vying for the house full of mysterious heirlooms that her doting grandmother left her. Little does her family know that she's destined to inherit an even greater legacy. Olivia hopes to follow in Granny's footsteps and become a famous detective, after all! She'll face off against young noblemen, phantom thieves, and magical items corrupted by demonic forces. Oh, and one vengeful angel queen. Moreover, who's this suspiciously young marquis that seems so smitten with her...?

(Source: J-Novel Club)

Kandou sareta node Tanteiya Hajimemasu! Jitsu wa Boukoku no Joou da nante Naisho desu

勘当されたので探偵屋はじめます!実は亡国の女王だなんて内緒です

Noramame

One day, private detective Kanako Udagawa receives a request from client Yuiko Shinonome to conduct surveillance on her fiancé. But when Detective Udagawa drops by the fortune-teller that the fiancé's been visiting on the sly, she encounters a boundlessly bubbly woman called Sakura! See the slapstick suspense unfold with this pair of polar opposites!

(Source: MANGA Plus)

Tantei to Uranaishi

The Detective & the Fortune Teller

探偵と占い師

Shikishima, Shiki

Kaibou Tantei

Necropsy Detective

解剖探偵

Jangvanoo

MI-KE

Police trainee Mooyoon starts his career in law enforcement in a quiet suburban town only to notice stray cats and dogs disappear mysteriously. A joint rescue operation between the police station and the fire station brings him close to Taeyi, a young firefighter who happens to be his next-door neighbor. Together, the two begin to track down leads that unravel a much larger menace.

As the mystery intensifies, their bond only grows stronger... until an unthinkable tragedy strikes.

(Source: Lezhin Entertainment)

Lovers, Cats, and the Killer

리밋(Re:meet)

Asagiri, Kafka

iyutani

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!

(Source: Yen Press)

Bungou Stray Dogs: Tanteisha Setsuritsu Hiwa

Bungo Stray Dogs: The Untold Origins of the Detective Agency

文豪ストレイドッグス 探偵社設立秘話

Tabe, Koji

Waruhame: Maruhi Sennyuu Sousakan Agasa

ワルハメ～マル秘潜入捜査官アガサ～

Mori, Kouji

Kagura is a college student who lost his parents in a fire when he was a child. One day he visited a courthouse as part of a seminar, and that same night he had a strange dream.... Was it just a nightmare or was it reality?

(Source: Hakusensha, translated)

D.Diver

D.ダイバー

Kuraichi, Hiya

Sakaki has just been transferred to the 3rd Sector of the "S City Crisis Management Bureau," where he decides to team up with his old buddy Kunugi to conduct a survey of the sector... Uh... What's this about an investigative agency for life-threatening paranormal events!!

The thrilling, spine-chilling, and sometimes heart-stopping adventures of a pair of supernatural detectives!

(Source: Kadokawa, translated)

Hyakki Chousho: Kaii Chousa wa Kochira made

Survey Report of Goblins and Evil Spirits

百鬼調書 怪異調査はこちらまで

Iguchi, Kon

Nakamura, Yuuji

Crime is ever-rising, a fact that police officer Shiro Isogai lives with every day. After the brutal murder of his fiancée, Isogai has been working tirelessly to find the killer. Suddenly, a "mysterious informant" begins popping up, helping the police locate serial killers one after another. Isogai knows this could be his chance for closure and decides his only hope is to team up with this person. But when it comes time to meet the secretive ally, he's surprised to be face-to-face with a young woman, Kuroi Hinata. Teaming up with Hinata and her "sixth sense," Isogai prepares to hunt the city's deadliest criminals and find the clues he needs to catch his fiancée's killer.

(Source: Seven Seas Entertainment)

Manga Like Sayonara Diamond