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This new mystery drama offers viewers the chance to engage in deductive reasoning like a sleuth by analyzing different clues. Takahashi, the detective, takes on the challenge presented in a mysterious letter from a key figure in the case, portrayed by guest stars like Yuriyan Retriever and BOYS AND MEN. As the story unfolds, Takahashi unravels the mystery with the help of the audience.

After a classified program is exposed, investigator Huang Zi Rong is tasked with locating it and preventing it from falling into the wrong hands. During his search for the leak, he encounters Li Juan, an ordinary woman. Although she is released due to a lack of evidence, she is later found dead, suspected to have taken her own life. Police officer Jiang Zheng Da notices Huang Zi Rong near the crime scene and grows wary of him, but the situation becomes more complicated when Li Juan's roommates are targeted for something she left behind. Jiang Zheng Da is forced to collaborate with Huang Zi Rong in order to uncover the truth and apprehend the perpetrator.

Rokuro Kurama is a fan of detective stories and mysteries, as well as a private investigator. In every installment, he aims to crack a straightforward case in under 33 minutes. However, due to his lack of sharpness, Rokuro Kurama frequently makes errors.

Kurama Rokuro works as a private investigator who has a passion for detective stories and mysteries. Despite his belief in ghosts and UFOs, he has a strong aversion to blood and corpses. Although he possesses keen insight and a vivid imagination, his conclusions are often based on speculation. In cases where he wrongly accuses individuals, he makes amends by sending them a gift along with an apology. His goal is to solve a seemingly simple case within a limited timeframe of 33 minutes, despite it being typically solvable within 5 minutes. His unconventional theories and ideas lead to a higher number of potential suspects and his unconventional reasoning often complicates matters. Will he ultimately be able to uncover the true culprit? - Fuji TV

Xiao Wei and Xiao Wa are a pair of lesser-known private investigators in M country

In 1990, Hagizaki Tatsuo, the head of the accounting department at Ukishima Electric Works, was busy working on securing a loan with Sekino, the company's general manager. Unfortunately, just as they were close to finalizing the loan, Sekino was implicated in a 200 million yen fraud and disappeared with the money. The company chose to conceal the incident to safeguard its reputation, but Hagizaki was determined to uncover the truth with the assistance of his journalist friend, Muraki. As Hagizaki delved deeper into the investigation, he realized the situation was more complex than he initially thought. His path crossed with Uezaki Etsuko, a captivating woman whom he believed held the key to unraveling the entire mystery. (DramaWiki)

Scheduled to be broadcast following the exclusive NTV program.

Tsumaki works as a private investigator at the Aaah Detective Agency, which is conveniently located at the top of the phone book. Despite his passion for solving cases and his unique perspective, he often struggles to succeed and ends up struggling to pay his rent. With the help of his team, he tackles crimes using his own unconventional methods and elaborate disguises.

Upon initial observation, Haruse Kiina appears to be an ordinary 29-year-old individual. Nevertheless, Kiina holds the position of leader within a unique investigative team known as "Beppan," focused on handling unusual cases. Utilizing an unconventional methodology for resolving crimes, she relies on her remarkable memory and keen powers of observation. Kiina becomes deeply engrossed in these investigations, often neglecting to eat or rest until the mysteries are unraveled.

Totori, a quirky ex-zoology scientist, transitions to a novice detective at 43 and teams up with a youthful detective known for their unwavering sense of justice. Despite their contrasting personalities, the duo collaborates to solve complex crimes, supporting each other along the way. (NHK)

Torii Kanzaburo, also known as Omiyasan, is an ex-law enforcement officer specializing in resolving cold cases.

The Tokyo governor is displeased with an article in an English magazine criticizing the lack of female top officials in the Tokyo Metropolitan Police, specifically in the Criminal Investigations Department. To improve this international perception, veteran female detective Demachi Izumi is appointed as the leader of the newly created NS Section within the First Investigative Division. But the narrative doesn't stop here,...

Chief Kosaka from the No. 1 Investigative Enforcement Division is a skilled individual who has been considered a likely candidate for Superintendent in the future. Despite successfully resolving the third HQ incident this year, a mistake during the investigation led to his demotion to a different position. While he may have strayed from the path to advancement, his new colleagues are dedicated to resolving minor incidents in their own unique way, always upholding their own principles of justice. As Kosaka contemplates his role as a police officer and his personal beliefs about justice, he gains confidence in himself as he battles against wrongdoing.

Fujiko is a unique serial killer driven by a thirst for blood. After surviving a horrific massacre that claimed the lives of her entire family at the age of 11, she was left with deep emotional scars. Unbeknownst to her, she gradually transformed into a bloodthirsty murderer seeking solace in her actions. Despite her descent into darkness, she repeatedly murmurs, "I can start anew," with each kill. The question remains: what motivates her to commit these murders? Derived from Mari Yukiko's novel "Satsujinki Fujiko No Shoudou."

Challenges occur during filming of the show, leading the main actors to reshoot their scenes. Unfortunately, the rest of the cast has already departed from the set. As a result, nearby actors are given the opportunity to take on roles in the series.

In the Playboys Private Detective Agency, the team consists of mature men over the age of 55 with diverse past experiences such as a previous taxi driver, doctor, and former Olympic athlete. The director is the sole member with a background in detective work. - Taken from the book "Return of the Investigator" by Fujita Yoshinaga.

After Tobita Tasuku's father, Jinpei, left a note and vanished on the day of Tasuku's high school graduation, Tasuku found himself burdened with his father's considerable debt while still jobless. Unable to afford the high fees for a private investigation to locate his father, Tasuku sought out the Joker Detective Agency. However, he soon discovered that the cost of attending detective school was much more affordable than hiring a private investigator. With the goal of becoming a detective and finding his missing father, Tasuku made the decision to enroll in the Joker Detective School.

An inspector known as 'the enforcer within the police force' is responsible for investigating corruption among police officers, a role despised by many within the department. One such inspector, Ichiroku Otonashi, is tasked not only with monitoring police conduct but also overseeing case investigations. Referred to as the "unpopular inspector," Otonashi operates under the guidance of Senju Ryoko, the head of the Metropolitan Police Department's police affairs division. Despite facing animosity from his colleagues, Otonashi remains committed to upholding his own sense of justice and excels in his role through astute observations and innovative thinking. Willing to tackle even the most challenging cases, he consistently delivers impressive results.

Cheon Yeon Ju is a young woman dedicated to solving criminal cases

Discover the mysteries concealed within the artist's protest and uncover the reasons behind the adolescents' escapade through the dimensional barrier

The Tokyo Metropolitan Police Department has chosen to dissolve the special interrogation unit known as Kintori. The disbandment is set to take place within 100 days, by September 2021, although the Kintori members continue to fulfill their duties.

SOIL takes place in a residential community where unusual events are occurring. A new detective named Onoda is assigned to the location, and together with police sergeant Yokoi, they work to solve the enigma surrounding the occurrences.

The IT industry is reserved for a select group of individuals who possess exceptional intelligence and skills. These individuals are responsible for creating innovative technologies, improving network systems, designing captivating video games, and developing business solutions. Every day, they face difficult challenges in the field of information technology and devise solutions that enhance our lives and provide entertainment.

According to an old saying, the first generation establishes a business while the second generation may lead to its downfall. After the Tanaka Family's father, who worked as a private investigator, passes away, the eldest daughter Sayuri must determine the fate of the family detective agency. With her younger siblings showing no interest in continuing the business, Sayuri is on the verge of closing it down until her long-lost elder brother, Ichiro, makes a return. Despite now being a struggling single father working as a truck driver, Ichiro decides to take over the business and uphold the family legacy, despite having minimal experience aside from childhood games of cops and robbers. As the new "president" of the agency, Ichiro moves back into the family home after many years away. Can the Tanaka Clan revive the business together, or does Ichiro have different intentions for the company? (NTV)

Meet Mike Yokohama, a private investigator known for his chain-smoking habit, witty remarks, and fondness for women, particularly his younger sister Akane. Despite his financial struggles, Mike is willing to take on any job, whether it's locating a missing animal or investigating unfaithful partners. However, when faced with a risky and questionable case, Mike proves his skills and bravery. Follow this contemporary hero as he navigates the city streets in a fresh adventure with each episode.

When Ando Mamoru was a young boy, he had a frightening encounter with a burglar at his home. This traumatic experience influenced his decision to join a security company, where his strong instinct for danger led to quick promotions. As he prepares for his upcoming engagement to Yuki, the daughter of the company's director Shimaya, Mamoru is filled with happiness. However, during a train ride to an important business meeting, he crosses paths with a woman dressed in mourning attire named Aihara Misa, sparking a series of unexpected events. Though Mamoru does not recognize her, Misa harbors a deep resentment towards him, setting off a chain of unfortunate events in Mamoru's life.

Kano Rintaro, known as the most unconventional head of a department in the initial division of criminal investigation, strongly dislikes overly elaborate investigation meetings. He delegates the primary investigation tasks to his team members, and occasionally shows up at the crime scene without wearing a tie, actions that may appear enigmatic at first glance. In the detective room of the ninth sub-division, he organizes receipts and prepares his own meals, seemingly indifferent to others. Rumor has it that new detectives under his supervision rarely stay for more than six months.

Formerly a top detective, Kuroki's career was derailed by a traumatic case, leading to his reassignment to a different department where he now spends his days in idleness. However, a new case emerges that offers him the opportunity to reclaim his detective status. (Tokyograph)

Nitobe Tsugumi is known as the "70,000 People Detective" because she has a network of 70,000 friends online who help her solve challenging cases using their collective brain power. (DramaWiki)

The narrative takes place in Kyoto and follows Urasawa Yu, a 40-year-old part-time university lecturer who excels at deciphering people's intentions in art-related scenarios and authenticating historical artworks. Despite her social awkwardness, her exceptional judgment allows her to uncover the truth behind different events occurring in her surroundings. (Tokyograph)

A veteran detective in his middle years working in the special investigation division of the Kanagawa Prefectural Police Department undergoes a transformation where his body regresses to that of a child after inhaling a unique gas while pursuing the notorious criminal organization known as Red Venus. (TokyoHive)

Difficult cases occur in the 2-chome district, where a unique individual fights against wrongdoing. Presenting themselves as male, but with a feminine spirit, the detective known as Holmes of 2-chome unravels the enigmas.

Makabe Yukiko is a member of the #3 Special Investigation Team within the Metropolitan Police Department, known for her exceptional negotiation skills. During a bus hijacking incident, Yukiko's negotiation attempt fails due to unforeseen circumstances. Taking accountability for the outcome, she requests a transfer to the "Kintori" special interrogation team led by her boss, Kajiyama Katsutoshi. Despite a challenging history with Katsutoshi, Yukiko works alongside her colleagues Hishimoto Susumu, Nakata Zenjiro, and Koishikawa Haruo. Following a tragic incident where a police officer is killed by a can of cookies delivered to the police substation, detectives Watanabe Tetsuji and Kenmotsu Daijiro suspect renowned attorney Fujishiro, who specializes in miscarriage of justice cases. However, Fujishiro denies any involvement during questioning by the Kintori team. Meanwhile, a man confesses to causing an explosion at the police substation during this time.

Special prosecutors are known for their significant investigative powers. Oda Toshiya has recently joined the team led by Onizuka Tsuyoshi, the deputy of the Special Investigation Department, after transferring from the Chiba Public Prosecutors Office. Onizuka's specialized unit is currently focusing on a bribery case involving Dainippon Construction, a prominent construction company responsible for building a dam, and a prefectural governor. Oda has concerns about Onizuka's investigation methods and decides to conduct his own search. Eventually, he discovers a subcontractor involved in the case.

Archaeologist Kensaku Kamimura uncovers a groundbreaking find that challenges historical beliefs. His discovery in the village of Shiona suggests that humans inhabited Japan during a previously unrecognized period. The revelation attracts attention to the area, drawing new visitors. Editor Rina Sakuma collaborates with Kensaku to document his findings in educational textbooks. As they spend time together, Rina finds herself drawn to Kensaku. Meanwhile, the remains of a missing female student are unearthed at the excavation site where Kensaku is working, sparking Detective Taichi Yukinaga to reopen the cold case. A scholar approaches Rina with claims that Kensaku's discovery has been tampered with.

Before becoming police officers, each member of the Ninth Section in the First Investigative Division faces personal challenges and difficulties. Despite their conflicting personalities, they are bound by a shared commitment to justice. While they may seem disorganized, they all dedicate themselves to capturing criminals and solving complex cases.

A mysterious detective rents a room in a building that houses questionable strip clubs. Despite not being a professional investigator, he takes on various tasks for money, acting as a mediator. His usual gigs involve working at a strip club and handling minor cases like stalking and debt collection to make ends meet. Interestingly, he only accepts requests from women. This tough, unsentimental investigator, who enjoys bourbon and jazz, avoids modern technology like phones and emails. Although he is not lacking in female companionship, he has a strict rule of not getting involved with the same woman twice. He is known for his kindness towards women, which often leads him into unnecessary conflicts with those who fail to compensate him.

The unique detectives come together under the leadership of the division head, who may be underestimated but is actually very clever

One day, Inspector Shibasaki Reiji from the Tokyo Metropolitan Police Department's General Affairs Department is held accountable for the mysterious suicide of a subordinate and demoted to a local police station, despite being considered one of the top candidates in the police force. Reiji was instructed by his superior, Nakata, to allow his subordinate Kazuhiko Kido to participate in shooting training, even though Kazuhiko had a history of depression. Following Nakata's orders, Reiji gave Kazuhiko a handgun, which led to Kazuhiko taking his own life. Despite being questioned about the incident, Nakata denied ever giving such instructions regarding Kazuhiko. As Reiji shows love to his family, he is not afraid to use intimidation tactics on his colleagues to advance in his career. After realizing that he was framed, Reiji comes up with a plan to uncover the truth and get back on track in his career.

Located in Shimo Akatsuka within Tokyo's Itabashi ward, the Akatsuka Detective Agency operates discreetly above a small snack shop owned by their landlord. Founded by the unconventional chief Kaze Kaoru and her two investigators, Goro and Gure, the agency specializes in handling unusual cases that others shy away from. Their guiding principle is to be both empathetic and intrusive, leading them to immerse themselves in peculiar situations with their clients. While they are sometimes driven by the prospect of selling a sensational story to the media, they also take on pro bono work. Despite their rough demeanor and constant struggle to make rent, the team always manages to find innovative solutions by approaching mysteries with passion, even when success is uncertain. Their ranks are later joined by Ranko, initially a client, as well as other companions they encounter on their adventures.

Several months prior to the implementation of a new law mandating the recording of police interrogations, officers convene at the Tokyo Metropolitan Police Department to undergo training on handling suspects with more care. During the training session, they witness Yukiko Makabe from the special interrogation team Kintori interrogating a suspect who displays no remorse. Makabe uses harsh language and exhibits disrespect towards the suspect. In response to her conduct, Councilor Reiko Kikuchi assigns Makabe to train new recruits. Meanwhile, Yuta Nomoto, who was sentenced to 12 years, manages to escape while being transported to prison. He later breaks into a residence and holds a housewife hostage.