4-go Keibi - Asian drama recommendation
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4-go Keibi(4号警備)

2017Japan
ActionBodyguard Male LeadBromanceFather-Daughter RelationshipFriendshipIllnessInvestigationMental IllnessMiniseriesMysteryPost-traumatic Stress Disorder (PTSD)Stalking

One day, Asahina, a security officer, is assigned to Security #4, known to be the most perilous security position that requires advanced skills. Asahina, a former police officer who retired after facing a setback, decided to join Guard Keepers, a security company. He is paired with Ishimaru, a middle-aged man who used to be a company president but transitioned into a security officer and is often seen as overly cautious. Despite their complaints about each other, their boss Ikeyama appears to have a hidden agenda and only responds with meaningful smiles, while their company president has concerns about their partnership. Despite their disagreements, Asahina and Ishimaru must work together to protect individuals in various challenging situations.

Asian dramas like
4 Go Keibi

Recommendation: The City of Chaos similar to 4-go Keibi
44%Match
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The City of Chaos(悍城)

2018China
ActionBromanceFriendshipIllnessInvestigationMental IllnessMysteryPost-traumatic Stress Disorder (PTSD)CrimePolice Department SettingPrison SettingSuspenseThrillerViolence

Like 4-go Keibi, this drama also features Action, Bromance, Friendship, Illness, Investigation, Mental Illness, Mystery, and Post-traumatic Stress Disorder (PTSD) themes with a 44% similarity match.

In order to combat the growing presence of global drug trafficking networks, a collaborative task force was established. Both sides are plagued by distrust and double-crossing, with prominent figures including a criminal with numerous aliases and a corrections officer.

Recommendation: MPD Psycho similar to 4-go Keibi
33%Match
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MPD Psycho(Tajuu jinkaku tantei saiko - Amamiya Kazuhiko no kikan )

2000Japan
IllnessInvestigationMental IllnessMiniseriesMysteryAdapted From A MangaDissociative Identity DisorderPsychological

Like 4-go Keibi, this drama also features Illness, Investigation, Mental Illness, Miniseries, and Mystery themes with a 33% similarity match.

MPD-Psycho Story 1 Detective Kobayashi eliminated the personality of Kazuhiko Amamiya by killing Nishizono. The return of Isono and Flower Murder Case disrupts Kobayashi's normal life. Why did Nishizono's personality reemerge once more? MPD Psycho Story 2 Amamiya goes after Nishizono, who is believed to have abducted his wife, Chizuko. Concurrently, a series of murders involving cutting unborn infants from the womb occurs. Amamiya's partner was killed in a similar manner. He suspects Tomoyo Tanabe of being the serial killer. MPD Psycho Story 3 Amidst gun violence among high school students, Amamiya notices a rapid increase in children with bar codes. He infiltrates an experimental school as a substitute teacher and encounters a lady counselor, Akira Moriizumi, who brainwashes the students involved in the P-net Plan. MPD Psycho Story 4 Hisashi Shimazu, who poses as a banker in the Bingo game using numbered body parts from mutilation murders, is driven to psychopathy by the red bar code that reveals his hidden desires. In an attempt to transform himself into something unique and escape the enclosed city, he faces his true self. MPD Psycho Story 5 Bar code owners, who serve as a gateway for the metastasized personality of Nishizono, spontaneously combust due to Dissociative Identity Disorder. When the hospital where his wife, Chizuko, is located goes up in flames, what does Kazuhiko Amamiya witness? MPD Psycho Story 6 The true culprit eludes Amamiya, prompting him to leave his superior Sasayama to pursue the real suspect. The government's hidden operations render everything meaningless. Sasayama reveals the location where the final case will be concluded.

Recommendation: Fist Fight similar to 4-go Keibi
31%Match
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Fist Fight(兄弟)

2018Hong Kong
ActionBromanceFriendshipInvestigationMysteryConspiracyMartial ArtsSuspenseThriller

Like 4-go Keibi, this drama also features Action, Bromance, Friendship, Investigation, and Mystery themes with a 31% 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: Connect (2019) similar to 4-go Keibi
31%Match
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Connect (2019)(커넥트)

2019South Korea
FriendshipInvestigationMiniseriesMysteryYouth

Like 4-go Keibi, this drama also features Friendship, Investigation, Miniseries, and Mystery themes with a 31% similarity match.

A team of five friends pursues enigmas.

Recommendation: Anata no Tonari ni Dareka Iru similar to 4-go Keibi
30%Match
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Anata no Tonari ni Dareka Iru(あなたの隣に誰かいる)

2003Japan
IllnessInvestigationMental IllnessMiniseriesMysteryStalkingDramaFamilyHallucinationHorrorInfidelitySupernaturalSuspenseThriller

Like 4-go Keibi, this drama also features Illness, Investigation, Mental Illness, Miniseries, Mystery, and Stalking themes with a 30% similarity match.

Azusa is the wife, Otaro is the husband, and they have one daughter named Suzu. They reside in a small apartment in Tokyo and lead a typical yet content life as a family of three. However, everything changes when they move into their new home. Unsettling events start occurring, involving the entire family and leading to chilling incidents. Can you protect your loved ones if faced with a sudden catastrophe? This series explores the themes of family and life itself, which are universally significant. Through a horror suspense format, the show portrays the strong bonds within a family.

Recommendation: Crisis: Kouan Kidou Sousatai Tokusou-han similar to 4-go Keibi
30%Match
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Crisis: Kouan Kidou Sousatai Tokusou-han(CRISIS 公安機動捜査隊特捜班)

2017Japan
ActionIllnessInvestigationMental IllnessMiniseriesMysteryCrimeDramaHacker Supporting CharacterPolice Department SettingPolice ProceduralPoliticalSuspenseThriller

Like 4-go Keibi, this drama also features Action, Illness, Investigation, Mental Illness, Miniseries, and Mystery themes with a 30% similarity match.

The Special Investigation Unit is a covert group of experts in different fields who report directly to the head of the Security Bureau of the Tokyo Metropolitan Police Department. Each member has a troubled past they are trying to move on from. Inami Akira suffered severe trauma during a special mission and was discharged from the Self-Defense Forces. Tamura Saburo, a veteran of special missions, was transferred to the mobile unit from the Public Security Department following an incident. Handpicked by their leader Yoshinaga, they are joined by former hacker Oyama and explosives specialist Kashii to create a special team tasked with handling politically sensitive threats to the State that the government wants to keep under wraps. As they tackle these difficult cases, they are forced to confront ethical dilemmas that have the potential to greatly impact the country depending on their success or failure.

Recommendation: Tantei no Tantei similar to 4-go Keibi
29%Match
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Tantei no Tantei(探偵の探偵)

2015Japan
ActionIllnessInvestigationMental IllnessMysteryDetective Female LeadEmotionally Strong Female LeadRevengeSuspenseThriller

Like 4-go Keibi, this drama also features Action, Illness, Investigation, Mental Illness, and Mystery themes with a 29% similarity match.

An exciting, fast-paced detective mystery featuring the intelligent and stylish investigator, Sasaki Rena. She is the only detective employed by the medium-sized Suma Research Agency. Driven by the tragic loss of her sister at the hands of a stalker, Rena is determined to uncover and bring to justice corrupt detectives. Seeking vengeance for her sister's death, she relentlessly pursues the investigator responsible.

Recommendation: Zero: Ikkaku Senkin Game similar to 4-go Keibi
29%Match
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Zero: Ikkaku Senkin Game(ゼロ 一獲千金ゲーム)

2018Japan
ActionFriendshipInvestigationMiniseriesMysteryAdapted From A MangaDeath GameGamblingSuspenseThriller

Like 4-go Keibi, this drama also features Action, Friendship, Investigation, Miniseries, and Mystery themes with a 29% similarity match.

Zero Ukai is a middle school teacher at a private school who doubles as a hero, rescuing those in need outside of work. He is involved in a survival competition held at a theme park still being built, where participants put their lives on the line for a chance to win 100 billion yen.

Recommendation: ICAC Investigators 2009 similar to 4-go Keibi
29%Match
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ICAC Investigators 2009(廉政行動2009)

2009Hong Kong
ActionInvestigationMiniseriesMysteryPolice Department SettingPolice Procedural

Like 4-go Keibi, this drama also features Action, Investigation, Miniseries, and Mystery themes with a 29% similarity match.

Recommendation: ICAC Investigators 2014 similar to 4-go Keibi
29%Match
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ICAC Investigators 2014(廉政行動2014)

2014Hong Kong
ActionInvestigationMiniseriesMysteryPolice Department SettingPolice Procedural

Like 4-go Keibi, this drama also features Action, Investigation, Miniseries, and Mystery themes with a 29% similarity match.

ICAC Investigators is a popular series of television miniseries in Hong Kong that focuses on the efforts of the Independent Commission Against Corruption (ICAC). These shows are created by Radio Television Hong Kong, a government department that works independently, in collaboration with the ICAC. Each season portrays true stories of the Commission's cases, aiming to raise awareness about corruption and promote the ICAC's image.

Recommendation: ICAC Investigators 2016 similar to 4-go Keibi
29%Match
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ICAC Investigators 2016(廉政行動2016)

2016Hong Kong
ActionInvestigationMiniseriesMysteryPolice Department SettingPolice Procedural

Like 4-go Keibi, this drama also features Action, Investigation, Miniseries, and Mystery themes with a 29% similarity match.

ICAC Investigators is a well-established series of Hong Kong television miniseries that follows the efforts of the Independent Commission Against Corruption (ICAC) in Hong Kong. These miniseries are educational productions created by Radio Television Hong Kong, a government-affiliated department, in partnership with the ICAC. Each season portrays actual cases handled by the Commission, aiming to raise awareness about corruption and promote the ICAC's image.

Recommendation: Mission Run similar to 4-go Keibi
29%Match
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Mission Run(廉政狙擊)

2022Hong Kong
ActionFriendshipInvestigationMysteryDramaPolice Procedural

Like 4-go Keibi, this drama also features Action, Friendship, Investigation, and Mystery themes with a 29% similarity match.

Hu Ding Xin, Huang Zhi Wen, Huang Zong Ze, Wu Zhuo Xii, and Wang Hao Xin were childhood friends who resided in the same apartment building. Unfortunately, due to the collapse of the building, they were separated and reunited over a decade later. (myasianartist)

Recommendation: The Secret of the Grand Mansion: The Missing Girls similar to 4-go Keibi
29%Match
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The Secret of the Grand Mansion: The Missing Girls(대저택의 비밀: 사라진 소녀들)

2021South Korea
FriendshipInvestigationMiniseriesMysteryComedyShort Length Series

Like 4-go Keibi, this drama also features Friendship, Investigation, Miniseries, and Mystery themes with a 29% similarity match.

In "The Mystery of the Grand Mansion: The Vanished Girls," viewers will follow the journey of ten WJSN members - Seola, EXY, Bona, Soobin, Luda, Dawon, Eunseo, Yeoreum, Dayoung, and Yeonjung - as they find themselves stranded on a desolate planet following a mysterious incident on their way to a prestigious event. As they stumble upon the Grand Mansion, their curiosity is piqued by signs of someone's presence inside.

Recommendation: Tabikurage Tantei Nikki similar to 4-go Keibi
28%Match
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Tabikurage Tantei Nikki(たびくらげ探偵日記)

2022Japan
BromanceFriendshipInvestigationMiniseriesMysteryAdventureCrime Solving DuoDetective Male LeadEpisodic FormatHacker Male LeadTraveling

Like 4-go Keibi, this drama also features Bromance, Friendship, Investigation, Miniseries, and Mystery themes with a 28% similarity match.

Portrays a detective who accepts a task to find something while traveling in a motorhome. (News Yahoo)

Recommendation: Kono yo ni Tayasui Shigoto wa Nai similar to 4-go Keibi
27%Match
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Kono yo ni Tayasui Shigoto wa Nai(この世にたやすい仕事はない)

2017Japan
FriendshipInvestigationMiniseriesMysteryNovel AdaptationBusinessLife

Like 4-go Keibi, this drama also features Friendship, Investigation, Miniseries, and Mystery themes with a 27% similarity match.

Kasumi lands a position as a teacher at a primary school, realizing a long-held aspiration. However, her intense dedication to her work leads to burnout, prompting her to resign at the age of 28. In search of new employment, Kasumi takes on temporary roles and crosses paths with enigmatic colleague Masakado from Hello Work.

Recommendation: Never Compromise (2020) similar to 4-go Keibi
27%Match
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Never Compromise (2020)(非黑即白)

2020China
ActionFriendshipInvestigationMysteryCrimeCriminal OrganizationRomance

Like 4-go Keibi, this drama also features Action, Friendship, Investigation, and Mystery themes with a 27% similarity match.

During his quest to locate his girlfriend, Xiao Ang meets a young man from Burma named Wen Dan who is also on a mission to find his relatives. Together, they find themselves entangled in a battle against malevolent forces while searching for clues. Xiao Ang, a former special forces soldier, travels abroad to track down his kidnapped girlfriend, leading him to cross paths with Wen Dan, who is facing a similar predicament. Their journey takes them to a Southeast Asian region, where they team up to take on local criminal organizations and warlords in order to rescue their loved ones and seek justice. However, as they uncover the truth they are seeking, they are ultimately led down different paths.

Recommendation: ICAC Investigators 2004 similar to 4-go Keibi
27%Match
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ICAC Investigators 2004(廉政行動2004)

2004Hong Kong
ActionInvestigationMiniseriesMysteryDramaPolice Department SettingPolice Procedural

Like 4-go Keibi, this drama also features Action, Investigation, Miniseries, and Mystery themes with a 27% similarity match.

Recommendation: PTU 2019 similar to 4-go Keibi
27%Match
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PTU 2019(机动部队2019)

2019Hong Kong
ActionInvestigationMiniseriesMysteryEmergency ServicePolice Department SettingPolice Procedural

Like 4-go Keibi, this drama also features Action, Investigation, Miniseries, and Mystery themes with a 27% similarity match.

A narrative centered on the PTU in Hong Kong offers a detailed and thrilling perspective on the diverse aspects of law enforcement. This narrative serves as a homage to the 175th anniversary of the Hong Kong Police Force.

Recommendation: Messiah: Eisei no Shou similar to 4-go Keibi
27%Match
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Messiah: Eisei no Shou(メサイア -影青ノ章-)

2015Japan
ActionInvestigationMiniseriesMysteryFantasySuspenseThriller

Like 4-go Keibi, this drama also features Action, Investigation, Miniseries, and Mystery themes with a 27% similarity match.

The narrative picks up where Shikkoku no Shou left off, featuring the key characters from the previous play. Haku and Eiri make a comeback to mentor the fresh batch of Sakura cadets. The unfolding drama delves deeper into the storyline and lays the groundwork for the upcoming stage play.

Recommendation: Death Note NEW GENERATION similar to 4-go Keibi
27%Match
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Death Note NEW GENERATION(デスノート NEW GENERATION)

2016Japan
ActionInvestigationMiniseriesMysteryAdapted From A MangaPsychologicalSupernatural

Like 4-go Keibi, this drama also features Action, Investigation, Miniseries, and Mystery themes with a 27% similarity match.

Three separate tales follow the investigator Mishima, known as the Death Note enthusiast, as he delves into a case involving a former criminal's sudden death from a stroke, ultimately uncovering the truth. In another story, Ryuzaki, a renowned international detective who has successfully cracked numerous challenging cases, decides to lend his expertise to a Death Note case that he had previously turned down multiple times. Lastly, Shien, a cyber terrorist who turned to idolizing Kira after overcoming the trauma of being the sole survivor of his family's brutal murder, embarks on his first attempt to utilize the power of the Death Note.

Recommendation: Women's Special Investigation Unit Frontline similar to 4-go Keibi
27%Match
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Women's Special Investigation Unit Frontline(女たちの特捜最前線)

2016Japan
FriendshipInvestigationMiniseriesMysteryComedyFemale Centered PlotSismance

Like 4-go Keibi, this drama also features Friendship, Investigation, Miniseries, and Mystery themes with a 27% similarity match.

Muromachi Kyoko, Ichijo Yayoi, and Yasaka Misuzu are employed at a police station in different departments - Kyoko in general affairs, Yayoi in public relations, and Misuzu as a cook in the cafeteria. Despite not being detectives, they gather information related to cases and meet in the cafeteria to discuss and analyze the details. Surprisingly, they often uncover valuable clues that help in solving cases.

Recommendation: Zero - Episode Zero similar to 4-go Keibi
27%Match
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Zero - Episode Zero(ゼロ エピソードZERO)

2018Japan
FriendshipInvestigationMiniseriesMysteryDeath GameSuspenseThriller

Like 4-go Keibi, this drama also features Friendship, Investigation, Miniseries, and Mystery themes with a 27% similarity match.

New series related to Zero Ikkaku Senkin Game now available for streaming on Hulu. This spin-off will delve into the backstory of the main character Zero, portrayed by Shigeaki Kato from the popular idol group NEWS. The focus will be on Zero's three friends, portrayed by the remaining members of NEWS - Keiichiro Koyama, Takahisa Masuda, and Yuya Tegoshi - in both the TV series and the Hulu exclusive.

Recommendation: FAKE MOTION: Yukemuri Onsen Takkyu Jikenbo similar to 4-go Keibi
27%Match
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FAKE MOTION: Yukemuri Onsen Takkyu Jikenbo(FAKE MOTION -湯けむり温泉卓球事件簿-)

2020Japan
FriendshipInvestigationMiniseriesMysteryComedySportsTable Tennis

Like 4-go Keibi, this drama also features Friendship, Investigation, Miniseries, and Mystery themes with a 27% similarity match.

One month following a table tennis match between Ebisu Nagato Campus High School and Satsukawa University Shibuya High School, the two schools, along with Tokyo Metropolitan South Hachioji Technical High School, went on a hot spring trip together to strengthen their friendship.

Recommendation: Tantei☆Hoshikamo similar to 4-go Keibi
27%Match
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Tantei☆Hoshikamo(探偵☆星鴨)

2021Japan
InvestigationMiniseriesMysteryStalkingComedyHardworking Male LeadInvestigator Male Lead

Like 4-go Keibi, this drama also features Investigation, Miniseries, Mystery, and Stalking themes with a 27% similarity match.

Hoshikamo had always dreamed of being a private investigator, and he currently operates as one. He struggles with connecting with women. In the past, he was employed at a large detective agency, but now he manages his own detective firm located in his grandmother's recycling store. Working alongside his assistant Tsugumi Karato, Hoshikamo tackles a variety of cases. Their first encounter was when Tsugumi Karato sought his help with a stalker issue.

Recommendation: Kujaku no Dance, Dare ga Mita? similar to 4-go Keibi
27%Match
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Kujaku no Dance, Dare ga Mita?(クジャクのダンス、誰が見た?)

2025Japan
Father-Daughter RelationshipInvestigationMiniseriesMysteryLifeSuspenseThriller

Like 4-go Keibi, this drama also features Father-Daughter Relationship, Investigation, Miniseries, and Mystery themes with a 27% similarity match.

Yamashita Komugi, a college student, has been living with her father, a former police officer, following her mother's passing. Tragically, on Christmas Eve, Komugi's father was killed, leaving behind a cryptic note with the words "false accusation." A suspect was apprehended based on this clue. However, Komugi soon uncovers that the man accused of her father's murder is the son of a man her father had arrested 22 years ago for a similar crime. Teaming up with lawyer Matsukaze Yoshiteru, Komugi delves into the interconnected mysteries of the present and past. (DramaWiki)

Recommendation: Detective Mr. Lee similar to 4-go Keibi
27%Match
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Detective Mr. Lee(미스터리 형사)

2009South Korea
ActionInvestigationMiniseriesMysteryDetective Female LeadDetective FictionDetective Male Lead

Like 4-go Keibi, this drama also features Action, Investigation, Miniseries, and Mystery themes with a 27% similarity match.

A team of investigators dedicated to solving criminal cases.

Recommendation: The Dangerous City similar to 4-go Keibi
27%Match
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The Dangerous City(城市·獵人)

2013Taiwan
ActionInvestigationMiniseriesMysteryDramaSuspenseThriller

Like 4-go Keibi, this drama also features Action, Investigation, Miniseries, and Mystery themes with a 27% similarity match.

Recommendation: Mysterious Lotus Casebook similar to 4-go Keibi
26%Match
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Mysterious Lotus Casebook(莲花楼)

2023China
ActionBromanceFriendshipInvestigationMysteryAdventureConspiracyHidden IdentityJianghuMartial ArtsSlight ComedyWuxia

Like 4-go Keibi, this drama also features Action, Bromance, Friendship, Investigation, and Mystery themes with a 26% similarity match.

A decade after disappearing during a battle with his enemy Di Fei Sheng, the once-renowned martial artist Li Xiang Yi reappears as a traveling healer known as Li Lian Hua. Despite his desire for a peaceful existence, he is pulled back into the world of martial arts, pursued by the eager Fang Duo Bing and acknowledged by the returning Di Fei Sheng. As hidden truths come to light, the trio forms an unlikely alliance and collaborates to solve mysteries and uphold justice.

Recommendation: Doctor/Kranke similar to 4-go Keibi
26%Match
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Doctor/Kranke(医者と患者)

2001Japan
IllnessInvestigationMental IllnessMiniseriesMysteryDissociative Identity DisorderMedicalPsychologicalSupernaturalSupernatural PowerSuspenseThriller

Like 4-go Keibi, this drama also features Illness, Investigation, Mental Illness, Miniseries, and Mystery themes with a 26% similarity match.

Sayaka, a young woman possessing extraordinary abilities and Dissociative Identity Disorder, resides with psychiatrist Shibusawa for therapy. However, Shibusawa's feelings towards her have evolved beyond professional boundaries.

Recommendation: Fallen Angel similar to 4-go Keibi
26%Match
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Fallen Angel(フォールン・エンジェル)

2012Japan
BromanceFriendshipInvestigationMiniseriesMysteryBrothers' RelationshipDramaNice Male LeadPsychologicalSci-FiSuspenseThriller

Like 4-go Keibi, this drama also features Bromance, Friendship, Investigation, Miniseries, and Mystery themes with a 26% similarity match.

Aiba Tsubasa possesses incredible mathematical abilities. He has two younger siblings: Riku, a kind-hearted university student, and Umi, who was born with a fragile heart and requires an organ transplant for survival. To save Umi, their mother Takako, a skilled surgeon, left Tsubasa and Riku at a young age and sought help from a mysterious medical research facility. This facility is a secretive organization that conducts unethical experiments on individuals with extraordinary abilities in order to create scientifically advanced humans. Over time, Umi undergoes a successful transplant surgery. However, the donor had exceptional memory skills, causing Umi to inherit their memories and personality traits. Tsubasa and Riku strive to protect their brother, who escapes from the facility to seek their assistance, but they are pursued by members of the organization.

Recommendation: Romantic  Heroes of the Tang Dynasty similar to 4-go Keibi
25%Match
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Romantic Heroes of the Tang Dynasty(唐朝浪漫英雄)

2013China
ActionBromanceFriendshipInvestigationMysteryAdventureCross-DressingHistoricalHistorical FictionMartial ArtsRomanceTang DynastyWuxia

Like 4-go Keibi, this drama also features Action, Bromance, Friendship, Investigation, and Mystery themes with a 25% similarity match.

Recommendation: Personal Assistant of Female President 2 similar to 4-go Keibi
25%Match
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Personal Assistant of Female President 2(女总裁的贴身高手2)

2016China
ActionBodyguard Male LeadInvestigationMysteryBoss-Employee RelationshipFantasyRich Female LeadRomance

Like 4-go Keibi, this drama also features Action, Bodyguard Male Lead, Investigation, and Mystery themes with a 25% similarity match.

During Yun Shitong's wedding, her father Yun Ding disappears unexpectedly. Leng Feng suspects that Yun Ding's death may be linked to Duan Fei. Meanwhile, the Hong Ding company faces financial troubles, and Han Zhiming teams up with his father to oppose Yun Shitong. Following Yun Ding's accidental death, Duan Fei vanishes, and incriminating evidence suggests he is the culprit. Can Shitong unravel the mystery?

Recommendation: Strike it! Painters similar to 4-go Keibi
25%Match
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Strike it! Painters(罢工吧!画手)

2017China
InvestigationMiniseriesMystery

Like 4-go Keibi, this drama also features Investigation, Miniseries, and Mystery themes with a 25% similarity match.

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

Recommendation: The Hunting Genius similar to 4-go Keibi
25%Match
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The Hunting Genius(寻人大师)

2017China
ActionFriendshipInvestigationMysteryDetective Agency SettingDramaSuspenseThriller

Like 4-go Keibi, this drama also features Action, Friendship, Investigation, and Mystery themes with a 25% 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: Breaking Dawn similar to 4-go Keibi
25%Match
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Breaking Dawn(晨阳)

2019China
ActionIllnessMental IllnessMysteryPost-traumatic Stress Disorder (PTSD)Agent Male LeadCensored Adaptation Of Same-sex Original WorkPolice Department SettingPolice Officer Male LeadSlight ComedyThrillerUndercover Agent Male LeadWrongfully Accused

Like 4-go Keibi, this drama also features Action, Illness, Mental Illness, Mystery, and Post-traumatic Stress Disorder (PTSD) themes with a 25% similarity match.

A narrative about a group of police officers solving multiple ongoing cases, battling drug-related crimes, and dismantling an international criminal organization. Elite operative Guo Yang successfully entices the Anguo drug lord to cross the country's borders for his arrest. However, the unexpected demise of Zhu Dui prompts Guo Yang to retire. Two years later, undercover detective Zhang Chen discovers a new drug lord operating in the country. Zhang Chen seeks out Guo Yang, and together they collaborate to combat the criminal syndicate. (ChineseDrama.info)

Recommendation: Anti-Fraud League similar to 4-go Keibi
25%Match
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Anti-Fraud League(反骗天下)

2019China
BromanceFriendshipInvestigationMysteryDetective FictionInvestigator Male LeadSuspenseThriller

Like 4-go Keibi, this drama also features Bromance, Friendship, Investigation, and Mystery themes with a 25% 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: Hagure Keiji: Junjoha Series 18 similar to 4-go Keibi
25%Match
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Hagure Keiji: Junjoha Series 18(はぐれ刑事純情派 シリーズ18)

2005Japan
InvestigationMiniseriesMystery

Like 4-go Keibi, this drama also features Investigation, Miniseries, and Mystery themes with a 25% similarity match.

Recommendation: IT Champions similar to 4-go Keibi
25%Match
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IT Champions(IT行者)

2014Hong Kong
InvestigationMiniseriesMystery

Like 4-go Keibi, this drama also features Investigation, Miniseries, and Mystery themes with a 25% similarity match.

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.

Recommendation: M no Higeki similar to 4-go Keibi
25%Match
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M no Higeki(Mの悲劇)

2005Japan
InvestigationMiniseriesMystery

Like 4-go Keibi, this drama also features Investigation, Miniseries, and Mystery themes with a 25% similarity match.

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.

Recommendation: Takeru: Shinjin Sousakan Fairu similar to 4-go Keibi
25%Match
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Takeru: Shinjin Sousakan Fairu(タケル 新人捜査官ファイル)

2009Japan
InvestigationMiniseriesMystery

Like 4-go Keibi, this drama also features Investigation, Miniseries, and Mystery themes with a 25% similarity match.

Recommendation: Fake Kyoto Bijutsu Jiken Emaki similar to 4-go Keibi
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Fake Kyoto Bijutsu Jiken Emaki(フェイク 京都美術事件絵)

2011Japan
InvestigationMiniseriesMystery

Like 4-go Keibi, this drama also features Investigation, Miniseries, and Mystery themes with a 25% similarity match.

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)

Recommendation: Nichome no Homuzu similar to 4-go Keibi
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Nichome no Homuzu(二丁目のホームズ)

2013Japan
InvestigationMiniseriesMystery

Like 4-go Keibi, this drama also features Investigation, Miniseries, and Mystery themes with a 25% similarity match.

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.

Recommendation: Tenchuu-Yami no Shiokinin similar to 4-go Keibi
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Tenchuu-Yami no Shiokinin( 天誅~闇の仕置人~)

2014Japan
ActionInvestigationMiniseriesMysteryEpisodic FormatFantasyMartial ArtsTime Travel

Like 4-go Keibi, this drama also features Action, Investigation, Miniseries, and Mystery themes with a 25% similarity match.

During a politician's speech in a busy shopping district, chaos erupts as a knife-wielding man emerges from the crowd and attempts to harm those nearby. Masako Murata tries to intervene, but is stopped by her friends. A woman who appears to be homeless steps forward and bravely offers herself as a target, saying "if you want to kill, then kill me." As the man prepares to strike, the woman's eyes open and blood spurts from his arm. She is about to retaliate, but is halted by Masako Murata, allowing the woman to escape. Later, Masako finds the woman collapsed on the street and brings her to her home. Upon closer inspection, Masako sees that the woman, named Sana, is injured and harbors deep despair in her eyes. Sana, a ninja from ancient times, has come to present day Japan to assist Masako in fighting the rising evil in society.

Recommendation: Tokusou similar to 4-go Keibi
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Tokusou(トクソウ)

2014Japan
InvestigationMiniseriesMystery

Like 4-go Keibi, this drama also features Investigation, Miniseries, and Mystery themes with a 25% similarity match.

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.

Recommendation: Chi No Shio similar to 4-go Keibi
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Chi No Shio(地の塩 )

2014Japan
InvestigationMiniseriesMystery

Like 4-go Keibi, this drama also features Investigation, Miniseries, and Mystery themes with a 25% similarity match.

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.

Recommendation: Iron Grandma similar to 4-go Keibi
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Iron Grandma(アイアングランマ)

2015Japan
ActionInvestigationMiniseriesMysteryComedyCrimeEspionageSpy Female Lead

Like 4-go Keibi, this drama also features Action, Investigation, Miniseries, and Mystery themes with a 25% similarity match.

Two decades ago, Reiko Shiotani and Naomi Sato operated as undercover agents with the code names Salt and Sugar, conducting classified intelligence missions

Recommendation: Higurashi no Naku Koro ni similar to 4-go Keibi
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Higurashi no Naku Koro ni(ひぐらしのなく頃に)

2016Japan
ActionFriendshipInvestigationMiniseriesMysteryAdapted From A GameDeathHorrorMurderPsychologicalSupernaturalSuspenseViolence

Like 4-go Keibi, this drama also features Action, Friendship, Investigation, Miniseries, and Mystery themes with a 25% similarity match.

Keiichi Maebara relocates to the peaceful village of Hinamizawa in the summer of 1983 and quickly forms friendships with Rena Ryuuguu, Mion Sonozaki, Satoko Houjou, and Rika Furude. However, as the annual festival draws near, he stumbles upon a series of murders and disappearances connected to the village's deity, Oyashiro. His companions maintain a mysterious silence, heightening his sense of unease. As strange occurrences escalate, Keiichi begins to doubt their loyalty, delving into the enigmas of Higurashi When They Cry, a narrative spanning multiple storylines.

Recommendation: Utenai Keikan similar to 4-go Keibi
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Utenai Keikan(撃てない警官)

2016Japan
InvestigationMiniseriesMystery

Like 4-go Keibi, this drama also features Investigation, Miniseries, and Mystery themes with a 25% similarity match.

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.

Recommendation: Ashita no Yakusoku similar to 4-go Keibi
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Ashita no Yakusoku(明日の約束)

2017Japan
IllnessInvestigationMental IllnessMiniseriesMysteryDramaHigh SchoolPsychologicalSchool SettingSocial MediaStudent Supporting CharacterTeacher Female LeadTeenager Supporting Character

Like 4-go Keibi, this drama also features Illness, Investigation, Mental Illness, Miniseries, and Mystery themes with a 25% similarity match.

High school counselor Hinata Aizawa is a well-respected individual who offers a listening ear to students facing difficulties

Recommendation: Mushikago no Joumae similar to 4-go Keibi
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Mushikago no Joumae(虫籠の錠前)

2019Japan
ActionInvestigationMiniseriesMysteryCultSuspenseThrillerUnderworld

Like 4-go Keibi, this drama also features Action, Investigation, Miniseries, and Mystery themes with a 25% similarity match.

In the past, there was a religious group known as Mushikago no Niwa that operated in secret, exploring hidden human capabilities. However, one individual whose potential was unlocked rebelled against the group. Following the group's demise, its members scattered, leaving behind rumors of a significant fortune hidden on the group's property. Nanami acts as a mediator, exchanging information with individuals in the criminal underworld. During a precarious situation in a clandestine deal, Nanami encounters Kagoroku, leading to a partnership to address various challenges. They become entangled in a conflict between former members of Mushikago no Niwa, who underwent human experiments, and underworld figures vying for control of the group's assets and secrets.