Kei×Yaku: Abunai Aibou - Asian drama recommendation
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Kei×Yaku: Abunai Aibou(ケイ×ヤク -あぶない相棒-)

2022Japan
ActionAdapted From A MangaBisexual Male LeadBromanceDetective Male LeadDramaFlashback To PastInvestigationInvestigator Male LeadMafiaMysteryOrphan Male LeadThrillerYakuza

Three years ago, the mysterious disappearance known as the Joker Case remained unsolved and was eventually closed. A resurgence of interest in the case prompts a reexamination of the evidence. Investigator Kinoshita Ichiro, a member of the Public Security Bureau within the Tokyo Metropolitan Police Department, is called upon to revisit the investigation. However, his new assignment involves infiltrating a gang led by the young and enigmatic Hanabusa Shiro, who has swiftly climbed the ranks to become the Wakagashira (young leading subordinate) within the yakuza group. As Ichiro delves deeper into his mission to get close to Shiro, he uncovers a startling revelation that leads to the creation of a fake lover's contract between them. Their covert operation sets off a chain of events that is bound to have far-reaching consequences for both the country and their own fates.

Asian dramas like
Keiyaku Abunai Aibou

Recommendation: Shin Kuko Senkyo similar to Kei×Yaku: Abunai Aibou
38%Match
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Shin Kuko Senkyo(新空港占拠)

2024Japan
ActionDetective Male LeadDramaInvestigationMysteryThrillerMiniseriesSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Detective Male Lead, Drama, Investigation, Mystery, and Thriller themes with a 38% similarity match.

A recent incident involving a significant takeover has taken place in an undisclosed location within Kanagawa Prefecture

Recommendation: Beneath the Undertow similar to Kei×Yaku: Abunai Aibou
35%Match
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Beneath the Undertow(暗潮缉凶)

2025China
Detective Male LeadDramaFlashback To PastInvestigationInvestigator Male LeadMysteryThrillerDeathDifferent TimelinesMurderSecretSuspenseWeb Series

Like Kei×Yaku: Abunai Aibou, this drama also features Detective Male Lead, Drama, Flashback To Past, Investigation, Investigator Male Lead, Mystery, and Thriller themes with a 35% similarity match.

In the once-thriving state-owned Asahi Factory, the remains of a female college student, whose foot has been severed, are inadvertently discovered in an abandoned sewage tank. The victim, identified as Shen Xiao Zhou, is the daughter of an employee at the factory. Lian Hai Ping, the leader of the criminal police team, is assigned to look into the matter. On the first day of the case, Shi Qiang Feng, a young criminal officer who reported the incident, finds himself unexpectedly placed on Lian Hai Ping's investigative team. This unforeseen case propels both of them into a fateful quest to track down the perpetrator. Concurrently, the investigation stirs up a concealed past within Lian Hai Ping's memory, while his new partner, Shi Qiang Feng, appears to harbor his own secrets. Throughout the inquiry, Lian Hai Ping uncovers that a mysterious force is orchestrating events surrounding the case. A partner with an enigmatic background, a first love tragically lost, a deeply entrenched entrepreneur, and a once-bustling factory area now in decline... This investigation weaves together truths that link the past and the future. The haze begins to lift, but the currents underneath are already in motion.

Recommendation: Brave Wuju similar to Kei×Yaku: Abunai Aibou
33%Match
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Brave Wuju(勇者无惧)

2022China
ActionDramaInvestigationMysteryThrillerSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Drama, Investigation, Mystery, and Thriller themes with a 33% similarity match.

To uncover the truth behind his former colleague's death, border police officer Wu Ju embarks on a dangerous mission as an undercover agent in a high-stakes anti-drug operation. Wu Ju teams up with Qi Tian, the son of a notorious drug lord, to seek vengeance for his fallen comrade. Together, they evade a relentless pursuer and discover that a mysterious figure known as "Doctor" is the true mastermind behind the criminal network. As Wu Ju infiltrates "Doctor's" inner circle, he must outwit both ruthless drug traffickers and unsuspecting police detective An Ning. Through bravery and cunning, Wu Ju confronts formidable adversaries and faces personal challenges until he can ultimately dismantle the drug cartel.

Recommendation: Hyoryu Net Cafe similar to Kei×Yaku: Abunai Aibou
33%Match
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Hyoryu Net Cafe(漂流ネットカフェ)

2009Japan
Adapted From A MangaDramaInvestigationMysteryThrillerSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Adapted From A Manga, Drama, Investigation, Mystery, and Thriller themes with a 33% similarity match.

It all began at a cyber cafe. Toki Koichi, a soon-to-be father living a mundane life, encounters his first love Kaho from junior high school after a heated argument with his wife. A mysterious incident at the cafe causes a blackout and traps Koichi and Kaho inside overnight. When they emerge the next day, they discover a completely transformed world. Determined to uncover the reason behind their sudden transportation and return home, Koichi faces various challenges and mysteries as people start disappearing. Will they survive this crisis and unravel the secret of Koichi's past with Kaho?

Recommendation: Ouroboros similar to Kei×Yaku: Abunai Aibou
33%Match
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Ouroboros(ウロボロス この愛こそ、正義)

2015Japan
ActionBromanceInvestigationMysteryOrphan Male LeadThrillerYakuzaAmnesiaCrimeHidden IdentityHidden PastRevengeSuspenseTrauma

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Bromance, Investigation, Mystery, Orphan Male Lead, Thriller, and Yakuza themes with a 33% similarity match.

Ryuzaki Ikuo and Danno Tatsuya, who grew up as orphans at Mahoroba no Ie, experienced the murder of a staff member during their youth

Recommendation: The Good Detective similar to Kei×Yaku: Abunai Aibou
33%Match
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The Good Detective(모범형사)

2020South Korea
ActionBromanceDetective Male LeadDramaInvestigationMysteryThrillerCorruptionCrimeMurderSlight RomanceSmart Male LeadSuspenseWrongfully Accused

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Bromance, Detective Male Lead, Drama, Investigation, Mystery, and Thriller themes with a 33% similarity match.

When questions surface regarding a murder conviction from five years prior, a seasoned detective teams up with a talented rookie to uncover the hidden facts of the case. Kang Do Chang, a detective with 18 years of experience, apprehends a suspect named Lee Dae Chul, who is subsequently sentenced to death by the court. However, while examining the details of the case, Do Chang stumbles upon evidence that could exonerate Dae Chul. As the clock ticks and the growing evidence threatens to reveal the mistake, Do Chang finds himself torn between the pursuit of power and the quest for justice upon meeting Oh Ji Hyuk, a top-tier detective from the police department. These contrasting partners start collaborating on the investigation.

Recommendation: Hoso Kyoku Senkyo similar to Kei×Yaku: Abunai Aibou
32%Match
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Hoso Kyoku Senkyo(放送局占拠)

2025Japan
ActionDetective Male LeadDramaInvestigationMysteryThrillerDetective FictionDetective Supporting CharacterDoctor Supporting CharacterNews Station SettingSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Detective Male Lead, Drama, Investigation, Mystery, and Thriller themes with a 32% similarity match.

A year has gone by, and Musashi Saburo has become an investigator at BCCT. Alongside his teammates, he is looking into a masked armed group that has taken 500 hostages while seizing control of a broadcasting station.

Recommendation: Three Unusual Detectives similar to Kei×Yaku: Abunai Aibou
31%Match
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Three Unusual Detectives(长安三怪探)

2014China
ActionDetective Male LeadDramaInvestigationMysteryAdventureDetective Fiction

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Detective Male Lead, Drama, Investigation, and Mystery themes with a 31% similarity match.

Narrate the tale of the Tang dynasty intertwined with a mysterious string of serial killings. Secret agents intervene to shift the locations of the murders and combat malevolent forces. Inspired by the online novel "Chang An San Guai Tan" ( ).

Recommendation: Infernal Affairs Season 2 similar to Kei×Yaku: Abunai Aibou
31%Match
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Infernal Affairs Season 2(无间道2)

2017China
ActionDramaInvestigationMysteryThrillerCrimeSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Drama, Investigation, Mystery, and Thriller themes with a 31% similarity match.

Recommendation: Ore no Sora Keiji Hen similar to Kei×Yaku: Abunai Aibou
31%Match
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Ore no Sora Keiji Hen(俺の空 刑事編)

2011Japan
Adapted From A MangaDetective Male LeadDramaInvestigationMysteryDetective FictionMiniseries

Like Kei×Yaku: Abunai Aibou, this drama also features Adapted From A Manga, Detective Male Lead, Drama, Investigation, and Mystery themes with a 31% similarity match.

Ippei Yasuda hails from a privileged upbringing and gains acceptance into a prestigious law school. However, he opts to pursue a career in law enforcement in order to uphold his personal beliefs of justice. This story is inspired by the manga series "Ore no Sora: Keiji Hen" created by Hiroshi Motomiya, which was published from 1978 to 1981.

Recommendation: The Dangerous City similar to Kei×Yaku: Abunai Aibou
31%Match
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The Dangerous City(城市·獵人)

2013Taiwan
ActionDramaInvestigationMysteryThrillerMiniseriesSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Drama, Investigation, Mystery, and Thriller themes with a 31% similarity match.

Recommendation: Rasen no Meikyu: DNA Kagaku Sosa similar to Kei×Yaku: Abunai Aibou
30%Match
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Rasen no Meikyu: DNA Kagaku Sosa(らせんの迷宮)

2021Japan
Adapted From A MangaBromanceDetective Male LeadDramaInvestigationMysteryDeathDetective FictionMiniseriesMurderProfessor Male LeadSerial Killings

Like Kei×Yaku: Abunai Aibou, this drama also features Adapted From A Manga, Bromance, Detective Male Lead, Drama, Investigation, and Mystery themes with a 30% similarity match.

In Tokyo, a killer is known for leaving an `X` mark on the victims' bodies. Detective Genji Ando notices that the mark is reminiscent of the one found on his deceased wife. Unable to officially participate in the case, he enlists the help of Jin Jinbo, a DNA specialist at the medical school's genome analysis lab, to uncover the identity of the possible serial murderer.

Recommendation: Cold Case: Shinjitsu no Tobira Season 2 similar to Kei×Yaku: Abunai Aibou
30%Match
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Cold Case: Shinjitsu no Tobira Season 2(コールドケース2 〜真実の扉〜)

2018Japan
Detective Male LeadDramaFlashback To PastInvestigationMysteryThrillerDeathDetective Female LeadDetective FictionMultiple MainsMurderSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Detective Male Lead, Drama, Flashback To Past, Investigation, Mystery, and Thriller themes with a 30% similarity match.

Reboot of the American television show "Cold Case" from 2003.

Recommendation: Cold Case: Shinjitsu no Tobira Season 3 similar to Kei×Yaku: Abunai Aibou
30%Match
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Cold Case: Shinjitsu no Tobira Season 3(コールドケース3 ~真実の扉~)

2020Japan
Detective Male LeadDramaFlashback To PastInvestigationMysteryThrillerDetective Female LeadDetective FictionMiniseriesMultiple MainsPolice Department SettingSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Detective Male Lead, Drama, Flashback To Past, Investigation, Mystery, and Thriller themes with a 30% similarity match.

Updated version: Revamp of the American television show "Cold Case" that originally aired in 2003.

Recommendation: The Hunting Genius similar to Kei×Yaku: Abunai Aibou
29%Match
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The Hunting Genius(寻人大师)

2017China
ActionDramaInvestigationMysteryThrillerDetective Agency SettingFriendshipSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Drama, Investigation, Mystery, and Thriller themes with a 29% similarity match.

Five people - Lin Yuan Su, Die Qi, Qiu Ling, Xia Gu Duo, and Zhou Qi - come together during a quest to find a lost dog. Despite their diverse backgrounds, they decide to establish a team dedicated to locating missing persons. Through their collaboration, they build a profound bond and uncover the real significance of their mission. As their friendship grows stronger, Lin Yuan Su gains the confidence to embark on a search for his absent father, with the support of his companions.

Recommendation: Enigmatic Villain similar to Kei×Yaku: Abunai Aibou
29%Match
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Enigmatic Villain(刑侦档案·谜凶)

2022China
ActionDetective Male LeadInvestigationMysteryThrillerShort Length SeriesSuspenseWeb Series

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Detective Male Lead, Investigation, Mystery, and Thriller themes with a 29% similarity match.

Recommendation: Anti-Fraud League similar to Kei×Yaku: Abunai Aibou
29%Match
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Anti-Fraud League(反骗天下)

2019China
BromanceInvestigationInvestigator Male LeadMysteryThrillerDetective FictionFriendshipSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Bromance, Investigation, Investigator Male Lead, Mystery, and Thriller themes with a 29% similarity match.

The story focuses on a group consisting of trendy Fang Yuan, prodigy Mi Ruo, lively Luo Xin, and sociable Niu Meng. Together, they operate a firm specialized in handling various insurance investigations. (ChineseDrama.info)

Recommendation: Flying Tiger Season 2 similar to Kei×Yaku: Abunai Aibou
29%Match
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Flying Tiger Season 2(飛虎之雷霆極戰)

2019Hong Kong
ActionDramaInvestigationMysteryThrillerAdventureMultiple MainsSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Drama, Investigation, Mystery, and Thriller themes with a 29% similarity match.

A mysterious group is responsible for a string of crimes in Hong Kong, China, posing a threat to the safety of the city and its residents. In response, a specialized team called A Team is assembled by Lo Ga Sing, who leads the Flying Tiger unit, and consists of top officers from the police force. The team includes Wong Gwok Dong as the head of operations, Jyung Men Long as the head of investigation, Ding Hou Jin and Mou Yat Man as intelligence officers, and Jiu Ga Nan as the head of forensics. Their mission is to completely dismantle the criminal conspiracy and ensure the city's security. This storyline does not share any character connections with the previous installment.

Recommendation: Aibo Season 11 similar to Kei×Yaku: Abunai Aibou
29%Match
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Aibo Season 11(相棒 season11)

2012Japan
ActionDramaInvestigationMysteryThrillerPolice Department SettingPolice Inspector Male LeadSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Drama, Investigation, Mystery, and Thriller themes with a 29% similarity match.

The latest season kicks off with a unique investigation that takes the pair to the Consulate-General of Japan in Hong Kong. This marks the first occasion that Aibo has ventured outside its usual setting, following a previous trip to London in the second season. Mizutani noted that the Hong Kong backdrop is a perfect fit for inspector Sugishita Ukyo, given the city's history as a former British colony, which aligns with Ukyo's interest in British culture. Joining Ukyo as his new partner is Kai Toru, who is set to inject a fresh energy into the series.

Recommendation: Aibo Season 14 similar to Kei×Yaku: Abunai Aibou
29%Match
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Aibo Season 14(相棒 season14)

2015Japan
ActionDramaInvestigationMysteryThrillerPolice Department SettingPolice Inspector Male LeadSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Drama, Investigation, Mystery, and Thriller themes with a 29% similarity match.

Sugishita Ukyo's colleague, Kai Toru, was taken into custody, leading to Sugishita being placed on an indefinite suspension

Recommendation: Specialist (2016) similar to Kei×Yaku: Abunai Aibou
29%Match
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Specialist (2016)(スペシャリスト)

2016Japan
Detective Male LeadDramaInvestigationMysteryThrillerDetective FictionMiniseriesSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Detective Male Lead, Drama, Investigation, Mystery, and Thriller themes with a 29% similarity match.

A decade ago, Takuma Yoshito was arrested and charged with attempted murder. Despite receiving a 15-year prison sentence, evidence later revealed that he was wrongly accused, leading to his exoneration. Subsequently, Takuma was reinstated to the Kyoto Prefectural Police due to his expertise in criminal psychology. He then transferred to Tokyo, where he joined a newly formed unit without a designated name. Motivated by the tragic death of a significant individual, Takuma decides to join the Tokyo Metropolitan Police Department to uncover a major conspiracy. He partners with a young female detective named Maria, who harbors a secret and happens to be the niece of the Commissioner General of the National Police Agency.

Recommendation: Homeland Guardian similar to Kei×Yaku: Abunai Aibou
29%Match
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Homeland Guardian(守城者)

2025Hong Kong
ActionDramaInvestigationMysteryThrillerPolice Department SettingSuspenseWeb Series

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Drama, Investigation, Mystery, and Thriller themes with a 29% similarity match.

Renowned Hong Kong police officer Ho Ho Fai, celebrated for his association with the Three Tigers, experiences a significant decline in his reputation following an unsuccessful operation. As a member of the Special Duties Unit, he and his team, which includes the young officer Siu Tzu Tsun, strive to unveil and prevent a conspiracy targeting Hong Kong’s financial infrastructure.

Recommendation: Under the Skin Season 2 similar to Kei×Yaku: Abunai Aibou
29%Match
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Under the Skin Season 2(猎罪图鉴2)

2024China
BromanceDetective Male LeadDramaInvestigationMysteryThrillerDeathFriendshipMurderPainter Male LeadPolice Officer Supporting CharacterPolice ProceduralVisual Arts

Like Kei×Yaku: Abunai Aibou, this drama also features Bromance, Detective Male Lead, Drama, Investigation, Mystery, and Thriller themes with a 29% similarity match.

The upcoming season will delve deeper into the narrative introduced in the first season of "Painting Color and Seeing People's Hearts", exploring the intricacies of human behavior through the depiction of portraits

Recommendation: Central Ikegami Police Season 2 similar to Kei×Yaku: Abunai Aibou
29%Match
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Central Ikegami Police Season 2(こちら本池上署)

2003Japan
Adapted From A MangaDramaInvestigationMystery

Like Kei×Yaku: Abunai Aibou, this drama also features Adapted From A Manga, Drama, Investigation, and Mystery themes with a 29% similarity match.

A surge of graffiti has been reported in the Hon-Ikegami station vicinity. Police chief Shiina is brainstorming solutions, but Maejima points out that the department is understaffed to effectively tackle the issue. Concurrently, a wave of car thefts plaguing the country reaches the Hon-Ikegami area. The newly appointed leader of the 2nd Division, Oyamada, is eager to swiftly resolve the crimes, a sentiment shared by the station's deputy Aoyagi. Despite this, Shiina takes it upon himself to personally investigate the graffiti incidents.

Recommendation: Central Ikegami Police Season 4 similar to Kei×Yaku: Abunai Aibou
29%Match
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Central Ikegami Police Season 4(こちら本池上署)

2004Japan
Adapted From A MangaDramaInvestigationMystery

Like Kei×Yaku: Abunai Aibou, this drama also features Adapted From A Manga, Drama, Investigation, and Mystery themes with a 29% similarity match.

Based on Takamochi Gen's manga "Head of Police" ( ).

Recommendation: Central Ikegami Police Season 3 similar to Kei×Yaku: Abunai Aibou
29%Match
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Central Ikegami Police Season 3(こちら本池上署)

2004Japan
Adapted From A MangaDramaInvestigationMystery

Like Kei×Yaku: Abunai Aibou, this drama also features Adapted From A Manga, Drama, Investigation, and Mystery themes with a 29% similarity match.

This installment is the third in a series that vividly portrays human emotions and family bonds within the Central Ikegami Police Station. Station chief Shiina Keisuke and the rest of the team undergo life-changing experiences in this episode, including dealing with exam stress, witnessing graduations, facing promotions and transfers, and navigating love and marriage. By delving into the everyday aspects of their lives, this episode reveals their true humanity in a more profound manner. The addition of new team members adds to the bustling atmosphere, with crack detective Gondo Kaoru being one of the three new recruits, and publisher Motomiya Suzu frequently visiting the Shiina household as Keisuke's wife Eiko works towards publishing her picture book.

Recommendation: Central Ikegami Police Season 5 similar to Kei×Yaku: Abunai Aibou
29%Match
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Central Ikegami Police Season 5(こちら本池上署)

2005Japan
Adapted From A MangaDramaInvestigationMystery

Like Kei×Yaku: Abunai Aibou, this drama also features Adapted From A Manga, Drama, Investigation, and Mystery themes with a 29% similarity match.

Based on the manga "Chief of Police" written by Takamochi Gen.

Recommendation: Joker Yurusarezaru Sousakan similar to Kei×Yaku: Abunai Aibou
29%Match
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Joker Yurusarezaru Sousakan(ジョーカー 許されざる捜査)

2010Japan
BromanceDetective Male LeadDramaInvestigationMysteryThrillerAntihero Male LeadEccentric Male LeadEpisodic FormatInterrogator Male LeadPolice Department SettingPsychologicalSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Bromance, Detective Male Lead, Drama, Investigation, Mystery, and Thriller themes with a 29% similarity match.

Detective Kazuyoshi Date works for the Kanagawa prefectural police force. By day, he is nicknamed "Buddha" due to his calm demeanor and dedication to solving cases. But at night, he becomes a ruthless punisher fueled by his anger towards criminals. The series delves into themes of justice and evil, questioning their true nature. (Tokyograph)

Recommendation: Nusumareta Kao: Miatari Sosahan similar to Kei×Yaku: Abunai Aibou
29%Match
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Nusumareta Kao: Miatari Sosahan(盗まれた顔 ~ ミアタリ捜査班)

2019Japan
Detective Male LeadInvestigationMafiaMysteryThrillerYakuzaNovel AdaptationCrimeDetective FictionMiniseriesMultiple MainsOrganized CrimeSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Detective Male Lead, Investigation, Mafia, Mystery, Thriller, and Yakuza themes with a 29% similarity match.

Detective Shirato Takamasa works in the Investigation Cooperation Section of the Tokyo Metropolitan Police Department. His specialty lies in identifying wanted criminals solely based on their facial features. One day, he comes across the face of Sunami, a former senior detective who died under mysterious circumstances four years ago.

Recommendation: The King of Pigs similar to Kei×Yaku: Abunai Aibou
29%Match
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The King of Pigs(돼지의 왕)

2022South Korea
Detective Male LeadDramaFlashback To PastInvestigationMysteryThrillerDetective Female LeadMental IllnessMurderRevengeSchool BullyingSchool ViolenceSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Detective Male Lead, Drama, Flashback To Past, Investigation, Mystery, and Thriller themes with a 29% similarity match.

Kyung Min and Detective Jong Suk, who have not been in touch for two decades, reunite after receiving a message from a long-lost friend. This message brings back painful memories of their school days and triggers a series of unexplained murders. As Jong Suk delves into the investigation, he uncovers links to the past, while the story delves into the roots of school violence and its lasting effects on society. Inspired by the animated movie "The King of Pigs" by Yeon Sang Ho, which is based on a true story.

Recommendation: Li Yi Yu Dai Jia similar to Kei×Yaku: Abunai Aibou
29%Match
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Li Yi Yu Dai Jia(利益与代价)

2005China
ActionDramaInvestigationMystery

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Drama, Investigation, and Mystery themes with a 29% similarity match.

Recommendation: Two Weeks similar to Kei×Yaku: Abunai Aibou
29%Match
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Two Weeks(TWO WEEKS)

2019Japan
ActionDramaFlashback To PastInvestigationMysteryThrillerChildhood Friends RelationshipEmotionally Strong Male LeadFugitive Male LeadPhysically Strong Male LeadProtective Male LeadSingle Father Male LeadSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Drama, Flashback To Past, Investigation, Mystery, and Thriller themes with a 29% similarity match.

After serving a prison sentence for a crime he did not commit, Daichi struggles to find purpose in his life. His world is turned upside down when he discovers that a former lover has a daughter, Hana, who is in desperate need of a bone marrow transplant to survive leukemia. Despite facing obstacles, Daichi steps up to be a donor match for Hana. However, a sudden turn of events leads to Daichi being wrongly accused of a murder, putting the transplant surgery in jeopardy.

Recommendation: Dark Disciple similar to Kei×Yaku: Abunai Aibou
28%Match
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Dark Disciple(暗徒)

2017China
ActionDramaInvestigationMysteryThrillerMiniseriesStrong Female LeadSuspenseWeb Series

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Drama, Investigation, Mystery, and Thriller themes with a 28% similarity match.

Upon An Qiao's return from studying abroad, she joined the White Bird Newspaper where Qin Nan and Chen Bei Bei were also employed

Recommendation: The Doll Master (2017) similar to Kei×Yaku: Abunai Aibou
28%Match
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The Doll Master (2017)(人偶师)

2017China
Detective Male LeadDramaInvestigationMysteryThrillerDeathDetective FictionMurderSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Detective Male Lead, Drama, Investigation, Mystery, and Thriller themes with a 28% similarity match.

In reality, every individual on this planet is like a marionette, with invisible strings controlling their actions. Two decades ago, the renowned psychologist Ouyang Qiu, along with his friend and colleague Ruan Haotian, traveled to Dawn City for a confidential research project. Tragically, Ouyang met his demise by falling from a building, while Dr. Ruan vanished under mysterious circumstances. Subsequently, the project was abruptly terminated. Fast forward twenty years, Ouyang Qiu's son, Ouyang Yiming, has grown up and joined a specialized SCI Team as an agent. When a gruesome mutilation case arises in Dawn City, Ouyang Yiming takes it upon himself to investigate. However, just as he nears a breakthrough, the perpetrator takes their own life, prompting Ouyang to delve deeper into the mystery. As the investigation unfolds, it becomes apparent that Pandora's Box is on the verge of being opened... (Q1Q2)

Recommendation: Fist Fight similar to Kei×Yaku: Abunai Aibou
28%Match
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Fist Fight(兄弟)

2018Hong Kong
ActionBromanceInvestigationMysteryThrillerConspiracyFriendshipMartial ArtsSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Bromance, Investigation, Mystery, and Thriller themes with a 28% similarity match.

Cheung Fei Fan, Ha Tin Hang, and Ho Tit Nam are siblings who were separated for a long time due to financial difficulties during their childhood

Recommendation: Meitantei Conan similar to Kei×Yaku: Abunai Aibou
28%Match
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Meitantei Conan(工藤新一への挑戦状)

2011Japan
Adapted From A MangaDetective Male LeadInvestigationInvestigator Male LeadMysteryDeathDetective FictionDetective Supporting CharacterMurder

Like Kei×Yaku: Abunai Aibou, this drama also features Adapted From A Manga, Detective Male Lead, Investigation, Investigator Male Lead, and Mystery themes with a 28% similarity match.

Before transforming into Edogawa Conan after being forced to ingest poison by an enigmatic group, high school detective Kudo Shinichi is sent a series of written challenges alerting him to upcoming murders. With his exceptional deductive skills, he unravels mysteries and enjoys unraveling the puzzle of seemingly impossible killings.

Recommendation: Meguru Mirai similar to Kei×Yaku: Abunai Aibou
28%Match
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Meguru Mirai(めぐる未来)

2024Japan
Adapted From A MangaDramaInvestigationMysteryThrillerMiniseriesSupernaturalSuspenseTime Loop

Like Kei×Yaku: Abunai Aibou, this drama also features Adapted From A Manga, Drama, Investigation, Mystery, and Thriller themes with a 28% similarity match.

Mirai, a 25-year-old man who prefers solitude, is concealing a secret from his wife, Meguru. He suffers from a mysterious illness that causes him to go back in time when he experiences strong emotions. Meguru has been his source of comfort during his struggles. However, tragedy strikes on their wedding anniversary when Meguru dies in a fall at her workplace. Mirai is left wondering why such a kind-hearted person met such a fate. As he grieves, he involuntarily travels back in time. Can he use this ability to save Meguru and uncover the truth behind her death?

Recommendation: Sozoku Tantei similar to Kei×Yaku: Abunai Aibou
28%Match
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Sozoku Tantei(相続探偵)

2025Japan
Adapted From A MangaDramaInvestigationInvestigator Male LeadMysteryDetective FictionFormer Lawyer Male LeadMiniseriesWitty Male Lead

Like Kei×Yaku: Abunai Aibou, this drama also features Adapted From A Manga, Drama, Investigation, Investigator Male Lead, and Mystery themes with a 28% similarity match.

Haie Nao is a private investigator who specializes in handling inheritance disputes. He operates his own establishment, the Haie Inheritance Investigation Office. Previously employed as a top-tier attorney, he was expelled from the legal community for undisclosed reasons. Haie Nao has a strong passion for coffee, often indulging in plain coffee beans while deep in thought. He strongly dislikes the saying, "Dead men tell no tales." Known for taking on complex inheritance cases, Haie Nao relies on his sharp intellect and a diverse group of associates. With a commitment to honoring the wishes of the deceased, he works to unravel family conflicts and uncover hidden truths surrounding inheritances.

Recommendation: Evil Minds similar to Kei×Yaku: Abunai Aibou
27%Match
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Evil Minds(心理罪)

2015China
BromanceDramaFlashback To PastInvestigationMysteryThrillerCriminal Profiler Male LeadDeathMurderPost-traumatic Stress Disorder (PTSD)PsychologicalSlight HorrorSuspenseWeb Series

Like Kei×Yaku: Abunai Aibou, this drama also features Bromance, Drama, Flashback To Past, Investigation, Mystery, and Thriller themes with a 27% similarity match.

Fang Mu is renowned for his expertise in criminal psychology within the city. After teaming up with police officer Tai Wei Lian to solve a string of unusual murders on campus, Fang Mu was deeply affected by the cases, leading him to spiral into a state of decay. Despite his attempts to bury the memories and deceive both himself and others, the devil's taunts persisted with a new wave of mysterious killings that ultimately landed Fang Mu behind bars. Forced to confront his past traumas, guilt, and sins while facing off against the enigmatic devil.

Recommendation: Kill It similar to Kei×Yaku: Abunai Aibou
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Kill It(킬잇)

2019South Korea
ActionDramaInvestigationMysteryOrphan Male LeadThrillerBadass Male LeadCalm Male LeadHidden IdentityHidden PastMurderSkilled KillerSlight RomanceSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Drama, Investigation, Mystery, Orphan Male Lead, and Thriller themes with a 27% similarity match.

Will a former assassin turned vet and a detective manage to find commonality? Kim Soo Hyun is a veterinarian who also operates as a skilled assassin, receiving lucrative offers from various individuals and groups

Recommendation: The Silent Criminal similar to Kei×Yaku: Abunai Aibou
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The Silent Criminal(双夭记)

2020China
ActionBromanceInvestigationInvestigator Male LeadMysteryOrphan Male LeadComedyCrime Solving DuoDeathFriendshipSmart Male LeadSupernaturalWeb SeriesWuxia

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Bromance, Investigation, Investigator Male Lead, Mystery, and Orphan Male Lead themes with a 27% similarity match.

In a peaceful village, robbers try to steal a powerful weapon but discover the container is empty and are suddenly killed. Long Yao, a brave fighter, goes incognito to discover what happened to the weapon and encounters Shi Jing Yao, a local detective whom he distrusts at first but later teams up with. At the same time, outlaw Li Huang Wu seeks retribution for her father, while Zhao Ge, a formidable sorceress, seeks her own version of justice.

Recommendation: A League of Nobleman similar to Kei×Yaku: Abunai Aibou
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A League of Nobleman(君子盟)

2023China
BromanceDetective Male LeadDramaInvestigationMysteryThrillerNovel AdaptationDetective FictionFriendshipHistoricalPoor Male LeadScholar Male LeadSmart Male LeadSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Bromance, Detective Male Lead, Drama, Investigation, Mystery, and Thriller themes with a 27% similarity match.

Zhang Ping, a destitute orphan from a rural area, relocates to Beijing with the intention of taking the civil service exam. However, he finds himself selling noodles on the streets instead. Despite his simple demeanor, Zhang Ping possesses a sharp mind and a knack for solving puzzles. On the other hand, Lan Jue, a refined government official with a mysterious background, is looking into a case. Their paths cross, and after some initial misunderstandings, Zhang Ping assists Lan Jue in solving the case, inadvertently discovering his hidden past. This marks the beginning of a unique partnership where the two men, despite their differences, join forces to unravel mysteries, such as uncovering the truth behind Lan Jue's father's death and exposing corruption in the royal court.

Recommendation: Detective Chinatown Season 2 similar to Kei×Yaku: Abunai Aibou
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Detective Chinatown Season 2(唐人街探案第二季)

2024China
ActionDetective Male LeadFlashback To PastInvestigationMysteryThrillerComedyDetective Female LeadDetective FictionHacker Female LeadHyperosmiaPolice Officer Supporting CharacterSuspenseWrongfully Accused

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Detective Male Lead, Flashback To Past, Investigation, Mystery, and Thriller themes with a 27% similarity match.

Recent unusual incidents have resurfaced in foreign lands. Alongside Tang Ren's experienced apprentice Lin Mo and the talented hacker Kiko, a host of fresh detectives and personalities have emerged. As they strive to uncover the truth, seasoned investigators reunite to cause a stir in Chinatown once more. This gripping tale blends humor with deep significance, ushering in a fresh era of detective stories.

Recommendation: Informa similar to Kei×Yaku: Abunai Aibou
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Informa(インフォーマ)

2023Japan
DramaFlashback To PastMafiaMysteryOrphan Male LeadThrillerBetrayalCrimeCriminal OrganizationHidden AgendaNonlinear NarrativeOffice SettingOrganized CrimeTeamwork

Like Kei×Yaku: Abunai Aibou, this drama also features Drama, Flashback To Past, Mafia, Mystery, Orphan Male Lead, and Thriller themes with a 27% similarity match.

Mishima Kanji works as a journalist for the Weekly Times, a publication known for its coverage of celebrity gossip. Despite his job, Mishima feels a sense of emptiness and unease as he chases after scandals without the journalistic passion he once had. One day, Mishima is sent to Amagasaki by chief editor Nagasawa Asuka to pick up a specific individual. This assignment is seen as an opportunity by Nagasawa to help Mishima fulfill his desire to experience a different world beyond his normal life. However, the person Mishima encounters is Keijiro Kihara, a prominent figure in the underworld, politics, and entertainment industries, who is also known as "Informer" among insiders.

Recommendation: Dai Byoin Senkyo similar to Kei×Yaku: Abunai Aibou
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Dai Byoin Senkyo(大病院占拠)

2023Japan
ActionDetective Male LeadDramaInvestigationMysteryThrillerDetective FictionDoctor Supporting CharacterHospital SettingHostage Negotiator Supporting CharacterHostage SituationMiniseriesPolice Officer Male LeadSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Detective Male Lead, Drama, Investigation, Mystery, and Thriller themes with a 27% similarity match.

The plot unfolds within a large hospital that is breached and seized by a militant group disguised with devil masks. Musashi Saburo, a police officer on break, is tasked with rescuing the hostages within a specific timeframe. (Doramaworld Twitter)

Recommendation: The Good Detective Season 2 similar to Kei×Yaku: Abunai Aibou
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The Good Detective Season 2(모범형사2)

2022South Korea
ActionDetective Male LeadDramaInvestigationMysteryThrillerBrother-Sister RelationshipDetective FictionDetective Supporting CharacterLawyer Supporting CharacterMarried Female LeadMarried Male LeadSerial KillingsTeamwork

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Detective Male Lead, Drama, Investigation, Mystery, and Thriller themes with a 27% similarity match.

Detectives Kang Do Chang and Oh Ji Hyuk work together in the bustling port city of Incheon, South Korea. Despite their differences, with Kang being a seasoned veteran relying on experience and connections, and Oh being a cool and analytical profiler, they have formed an unexpected partnership. They face their biggest challenge yet when investigating a brutal assault at an underground club and tracking a serial killer targeting young women in white attire. Their investigation leads them to the influential TJ Group, a family-run conglomerate embroiled in internal conflict. Among the key figures involved are Cheon Na Na and the legal chief Woo Tae Ho.

Recommendation: The First Responders Season 2 similar to Kei×Yaku: Abunai Aibou
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The First Responders Season 2(소방서 옆 경찰서 그리고 국과수)

2023South Korea
ActionDetective Male LeadDramaInvestigationMysteryThrillerDetective FictionEmergency ServiceFirefighter Male LeadForensic ScienceParamedic Female LeadSlight RomanceSuspenseTeamwork

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Detective Male Lead, Drama, Investigation, Mystery, and Thriller themes with a 27% similarity match.

The current season depicts the collaborative efforts of the police force, fire department, and paramedics as they demonstrate courage and teamwork in hazardous situations. This season offers viewers a more profound insight into the characters' motives and individual challenges. (KoreanDramas.info)

Recommendation: Justice in the Dark similar to Kei×Yaku: Abunai Aibou
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Justice in the Dark(光·渊)

2023China
ActionBromanceDetective Male LeadInvestigationMysteryThrillerAge GapCensored Adaptation Of Same-sex Original WorkCharacter DevelopmentDeath Of A MotherHeir Male LeadMurderPsychologicalSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Bromance, Detective Male Lead, Investigation, Mystery, and Thriller themes with a 27% similarity match.

The plot takes place in a futuristic Xinyuan Civilization Year 253, focusing on the increasing crime rate and its connection to the concept of "zero-degree empathy." When a deliveryman is murdered, it leads to the discovery of a criminal syndicate, with the perpetrator being identified as someone lacking empathy. Police officer Luo Wei Zhao, assigned to the case, realizes that the situation is more complex than it appears. Additionally, wealthy Pei Su becomes entangled in subsequent incidents. This adaptation is based on the novel "Silent Reading" by Priest, with the original series consisting of 30 episodes but being cancelled after 8 episodes. However, it was revived in 2025 by WOWOW, with all 30 episodes set to be aired.

Recommendation: Yasha similar to Kei×Yaku: Abunai Aibou
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Yasha(夜叉)

2000Japan
ActionAdapted From A MangaBromanceInvestigationMysteryThrillerBlind Supporting CharacterBrothers' RelationshipChildhood Friends RelationshipDomestic CrimeIdentical Twin Male LeadSci-FiSuspenseTwo Roles

Like Kei×Yaku: Abunai Aibou, this drama also features Action, Adapted From A Manga, Bromance, Investigation, Mystery, and Thriller themes with a 27% similarity match.

Twin siblings, conceived in a laboratory through a genetic manipulation project, were gifted with extraordinary powers and high intellect but raised apart

Recommendation: Century Lao Che similar to Kei×Yaku: Abunai Aibou
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Century Lao Che(百年老宅)

2009China
DramaInvestigationMysteryThrillerSuspense

Like Kei×Yaku: Abunai Aibou, this drama also features Drama, Investigation, Mystery, and Thriller themes with a 27% similarity match.