
Koroshiya-san
A 4-koma manga about the life of the best killer of Japan. (Source: MangaUpdates)
Canonical catalog
515 titles

A 4-koma manga about the life of the best killer of Japan. (Source: MangaUpdates)

"Holmes Agency" is a private detective office known as the "Big-Eating" Detective Office. Seiya Takano, who is known for have a huge appetite, gets assigned to this office as the new leader. Ryousuke Noda and Kyouko Izumi, both also having a big appetite work under Seiya. Murder, robbery, and kidnapping—many incidents occur around them. And the three solve each of the many cases in a most surprising way—their appetite results in marvelous speculations! They eat at the murder scene. They eat on the track. They even eat dog food! They keep on eating and eating, not even listening to the witness. Everywhere they go, they eat and eat and eat! And every time after finishing, the criminal appears. KUITAN is the words "Big-Eating" and Detective combined together. "Real Gourmet" plus "Real Mystery." The big-eating detectives are on the run, solving cases from their deep knowledge about food. (Source: MU)

A man named Lee Jung-yool appears out of nowhere in Han Gitae's detective agency, and Gitae suddenly finds himself under threats to cooperate with his plans...! What exactly is the massive conspiracy that involves the two of them? And what will become of these two? (Source: Kidari Studio, translated)

The main characters are the sexy and voluptuous Atsuko and Kohei a young policeman who just made Detective. Atsuko is Kohei's boss and would do anything to get the bad guys. She even uses her body from time to time to catch or distract a criminal. (Source: MU)

Police officer Hashimoto Remi has finally obtained the job at headquarters she has always dreamed of. She is assigned to the Special Support Room which deals with preventing incidents and clearing up trouble within the police force. She finds the job is nothing like what she expected, and to top it all off, her new coworker seems to be very difficult to deal with... (Source: North Star Pictures, translated)

Takes place two years after the events of Tantei Gakuen Q.

When the skilled coroner Dr. Bunnakit is called to examine the body of his childhood friend after her "suicide," he soon determines that she was actually murdered. That night, a mysterious stranger threatens him, telling him to rule her death a suicide—and after he confides in his prosecutor friend about this incident, his friend suddenly goes missing. But all hope is not lost, as a young lecturer named Tan offers to help him get to the bottom of all this—which would be more reassuring if Tan weren't the prime suspect... (Source: Yen Press)

Metropolitan police investigator, Tsutsumi, is an eccentric who loves solving cases above all others. Imprudent with a wicked tongue, he only needs to find a thin thread of clue to solve cases with his sharp intuition and insight. Meanwhile, Tsutumi’s partner, Sakuma, is a newbie who got assigned to the Metropolitan Police department 6 months ago. But a certain incident caused Sakuma to change. Struck by curiosity, Tsutsumi embraced him when Sakuma changed from his usual demeanor and goes into heat... (Source: Takeshobo, translated)


1-3. Takaga Fukuen 4-5. Orokamono no Ayamachi 6. Takaga Shitto

The newest chapter of the Ace Attorney has begun! Join Apollo Justice (A greenhorn defense attorney), Trucy Wright (Apollo's magician-to-be sidekick), Klavier Gavin (a rock an roll take on the prosecution) and many more characters in this fan made manga, published by Capcom on August 1, 2007.

Hikaru Kago is a former yakuza roped into cooperation with the police through plea bargaining. Takaomi Togasawa is an elite cop who'd rather be doing desk work. Follow the improbable duo as they survive each day as protection officers in charge of yakuza victims or targets, and find out why their assignment is called "the last bureau before heaven!" (Source: Death Toll Scans)

Attorney Kim Mooil usually only takes simple copyright cases to keep his practice afloat, so when his landlord comes to him and confesses to killing one of his tenants, Mooil thinks it'll be an open-and-shut case. But the day before they're to go to the police, his landlord seemingly takes his own life. As Mooil and his team of sleuths try to solve this mystery, he learns the incident may be linked to a police cover-up, revenge porn, and a murder from seven years ago. So much for open-and-shut! (Source: Tapas Media)

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)

Miami Guns is an action/parody manga about Sakurakouji Yao and Amano Lu, two teenage police officers living in Miami City.

A collection of 3 "hard boiled type" stories by Akihiko Takadera, Haruka Takachiho and Katsuhiro Otomo.

One day, Natsuki Amakusa—the hope of the Tokyo Metropolitan Police Department—meets an unusual high schooler named Yuuya Shiki. Natsuki's interest in the high schooler is piqued after Yuuya happens to be passing through the scene of a difficult murder case and determines the perpetrator with ease. How did he know who the killer was? When an incident later takes place at Yuuya's high school, the two happen across each other again... Thus, a young policeman and a high schooler with a hidden power begin unraveling the mystery! (Source: MU)

Girl who can see the smell in a visual particles. She use her ability to solve the incident with a rookie police officer. (Source: MU)

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)

Shino and Kazuto are employed as detectives in a police organization that is part of the island country Sakura. The two have known each other since they were children, but during the last few years, Kazuto has been acting strange. Rumors of Kazuto being obsessed with Shino have formed within the jurisdiction. After requesting to be transferred to the same department as Shino, and forcibly getting involved in an investigation, he kisses Shino and pushes him into getting into a sexual relationship with him! Shino refuses, saying it's impossible, but he's unable to completely reject him as all of the time they'd spent together gets in the way. This time, the two have been assigned to carry out a joint investigation together, but...? (Source: Kaiohsha, translated)


Tobias is a recruit from BOPE who has his ideals put to the test when he sees his Captain, Shindo, doing everything to accomplish his missions. (Source: Hyakuro Translations)

Gas-tou Norainu Tanteidan is set in late Victorian London, and will center on a street urchin whose life is changed by a big event.

A man throws away his past and lives his life separated from others. However, everything changes when he is thrown into a battle to protect a young girl from a criminal organization. (Source: MU)