Sai - Asian drama recommendation
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Sai()

2025Japan
Drug UsageGoreHorrorInvestigationMiniseriesMysteryPsychologicalSuspenseThriller

In this psychological thriller, a mysterious individual disrupts the lives of six unsuspecting characters by embodying their inner conflicts, leading to a series of catastrophic events. This person alters their appearance, voice, facial expressions, personality, and behaviors to present themselves as a completely different individual to each of the six individuals. (Japanese = natalie.mu || Translation = Gogole Translate)

Asian dramas like
Sai

Recommendation: Schrodinger's Cat similar to Sai
67%Match
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Schrodinger's Cat(薛丁格的貓)

2018Taiwan
InvestigationMiniseriesMysteryPsychologicalSuspenseThriller

Like Sai, this drama also features Investigation, Miniseries, Mystery, Psychological, Suspense, and Thriller themes with a 67% similarity match.

Recommendation: Jungle Notes similar to Sai
56%Match
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Jungle Notes(丛林笔记)

2016China
HorrorInvestigationMysterySuspenseThriller

Like Sai, this drama also features Horror, Investigation, Mystery, Suspense, and Thriller themes with a 56% similarity match.

Five students intrigued by a chilling tale, opt to embark on a journey to Kanchanaburi, a city and forest in Thailand with a history of strange occurrences. Unbeknownst to them, entering the eerie woods to craft horror stories and attaching their names to it is a guarantee of their demise.

Recommendation: The Girls (2020) similar to Sai
56%Match
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The Girls (2020)(女孩们在那年夏天)

2020China
InvestigationMiniseriesMysterySuspenseThriller

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 56% similarity match.

A group of women who once shared a dormitory together are now in their thirties, facing challenges in their personal lives, careers, and marriages. An unexpected reunion brings them back together, but they soon realize that there are hidden complexities among them. The host of the gathering, Lin Ji (played by Fan Shiqi), receives a video from 15 years ago that belonged to their former roommate, Jiang Yuanyuan, who tragically took her own life that summer. In the video, Jiang mentions feeling betrayed by a close friend. The incident continues to haunt the women, especially when Lin Ji brings up Jiang's death during the reunion. As they try to leave, they discover that the door has been locked from the outside. The mystery of what truly happened that fateful summer and why Jiang Yuanyuan died unfolds as the night progresses.

Recommendation: One Missed Call (2005) similar to Sai
56%Match
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One Missed Call (2005)(着信アリ)

2005Japan
HorrorInvestigationMiniseriesMysterySuspense

Like Sai, this drama also features Horror, Investigation, Miniseries, Mystery, and Suspense themes with a 56% similarity match.

A new version of the popular 2004 horror film Chakushin Ari (One Missed Call) has been released, featuring a storyline where a mysterious "message of death" is transmitted via mobile phones in the city. Yumi, a former student of Meiwa's Girls High School, teams up with Sendou, a detective, to uncover the truth behind a series of incidents where certain individuals receive missed calls from their own numbers predicting the exact time of their deaths upon listening to the voicemail.

Recommendation: Sodom no Ringo similar to Sai
56%Match
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Sodom no Ringo(ソドムの林檎)

2013Japan
InvestigationMiniseriesMysterySuspenseThriller

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 56% similarity match.

Editor Shitara Mari learns that Miwa Yoshio, her ex-boyfriend whom she broke up with following an argument six months ago, has tragically taken his own life. Yoshio was in a relationship with Miyamura Megumi, whom he met on a dating website. Megumi is facing allegations of killing several men after deceiving them with promises of marriage. Mari decides to attend Megumi's trial in order to investigate further. She embarks on a journey to the island where Megumi was born, accompanied by sports journalist Kitano Kengo.

Recommendation: Tokuso 9 Season 6 similar to Sai
56%Match
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Tokuso 9 Season 6(特捜9 season6)

2023Japan
InvestigationMiniseriesMysterySuspenseThriller

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 56% similarity match.

Season 6 follows the ongoing saga of the Special Investigation Team as they face internal conflicts while striving to uphold justice. By approaching cases from various angles, viewers can look forward to the team's lively and thorough investigations.

Recommendation: Tokuso 9 Season 7 similar to Sai
56%Match
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Tokuso 9 Season 7(特捜9 season7)

2024Japan
InvestigationMiniseriesMysterySuspenseThriller

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 56% similarity match.

The Special Investigation Unit is comprised of team leader Kunikida Seiji and members Asawa Naoki, Komiyama Shiho, Aoyagi Yasushi, Yazawa Hideaki, Shindo Ryo, and Takao Yuma, all possessing distinct personalities. Despite their differences in age, career paths, personal lives, investigative perspectives, and work methods, they manage to work together due to the trust they have developed over time. While conflicts arise regularly, they are able to acknowledge their varying opinions and collaborate effectively. Additionally, the crimes they tackle are evolving with the changing times. The upcoming season will feature cases that mirror the present world and delve into the human dramas faced by the detectives as they strive to solve them in each episode.

Recommendation: Tokuso 9 Final Season similar to Sai
56%Match
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Tokuso 9 Final Season(特捜9 final season)

2025Japan
InvestigationMiniseriesMysterySuspenseThriller

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 56% similarity match.

Asawa Naoki, now a team leader engaged in "management training," encounters Kondo Yukio, a detective also in training. Kunikida Seiji, who was also there, mentions that Kondo serves as the section chief for Special Investigation Division 6. Despite both holding leadership roles, their personalities vastly differ from Naoki's. At that moment, the phones belonging to Naoki, Murase Shiho, Aoyagi Yasushi, Yazawa Hideaki, and Takao Yuma begin to ring simultaneously. A woman's body, stabbed and found on a bench in a park beneath a Ferris wheel, clutches a bouquet of wilted roses to her chest. From the call logs and messaging applications on their devices, four suspicious individuals are identified, prompting the other detectives, excluding Naoki, to pursue the suspects.

Recommendation: Gannibal similar to Sai
53%Match
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Gannibal(ガンニバル)

2022Japan
GoreHorrorInvestigationMiniseriesMysteryPsychologicalSuspenseThrillerAdapted From A MangaCannibalismCountryside SettingPolice Officer Male LeadVillage SettingViolence Against Children

Like Sai, this drama also features Gore, Horror, Investigation, Miniseries, Mystery, Psychological, Suspense, and Thriller themes with a 53% similarity match.

After being assigned to a secluded village in rural Japan, police officer Agawa Daigo uncovers unsettling truths about the village and its inhabitants

Recommendation: Code similar to Sai
50%Match
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Code(CODE浮士德遊戲)

2016Taiwan
InvestigationMiniseriesMysterySuspenseThrillerSci-Fi

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 50% similarity match.

Alex was a regular guy who tied the knot with his spouse and enjoyed a good life

Recommendation: Keiji Yoshinaga Seiichi: Namida no Jikenbo similar to Sai
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Keiji Yoshinaga Seiichi: Namida no Jikenbo(刑事吉永誠一 涙の事件簿)

2013Japan
InvestigationMiniseriesMysterySuspenseThrillerNovel Adaptation

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 50% similarity match.

Yoshinaga Seiichi works as a detective at the Kanagawa-ken Police Department, where his dedication to his work extends beyond solving crime cases to assisting those in need. Joining him as his new colleague is Kagami Shinichi, and their first assignment together involves investigating the discovery of a deceased woman in a basement carpark.

Recommendation: TENSHI TO AKUMA - Mikaiketsu Jiken Tokumei Koshouka similar to Sai
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TENSHI TO AKUMA - Mikaiketsu Jiken Tokumei Koshouka(天使と悪魔 - 未解決事件匿名交渉課)

2015Japan
InvestigationMiniseriesMysterySuspenseThrillerPolice Department Setting

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 50% similarity match.

Makita Hikari serves as a police officer known for her sincere nature and trusting demeanor towards others. Despite her genuine personality, she often falls victim to deception by suspects, leading her to be reassigned to a mundane role in the cold case resource room. One day, an enigmatic individual named Chajima Ryunosuke emerges and introduces Hikari to the newly established Cold Case Anonymous Investigation Unit within the Tokyo Metropolitan Police Department. This unit focuses on resolving unsolved cases by granting leniency to suspects in exchange for information on the main perpetrators. Interestingly, Ryunosuke Chajima himself is a cunning lawyer, and his reasons for joining the Cold Case Anonymous Investigation Unit remain a mystery.

Recommendation: Da Capo Shimasen ka? similar to Sai
50%Match
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Da Capo Shimasen ka?(ダ・カーポしませんか?)

2023Japan
InvestigationMiniseriesMysterySuspenseThrillerDeath Game

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 50% similarity match.

A group of eight individuals burdened with significant debts find themselves in a dire situation with no way out. They receive an invitation from Ninomiya, a mysterious individual working for Mr. X, to participate in a risky "lottery game" at an abandoned hotel. The game puts both their lives and finances on the line. Who is Mr. X and what is the true intention behind this deadly game?

Recommendation: Dai Byoin Senkyo Mae the Night Before similar to Sai
50%Match
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Dai Byoin Senkyo Mae the Night Before(大病院占拠前 the night before)

2023Japan
InvestigationMiniseriesMysterySuspenseThrillerDetective Supporting Character

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 50% similarity match.

Six months prior to the occupation incident, Koichi is on a mission to uncover the hidden truths of Kaiseido Hospital. In the midst of their investigation, Koichi and Sagami break into Tajima Design Office, the architectural firm behind the hospital's design. Their goal is to retrieve blueprint data, but their plans are disrupted when three employees and a security guard unexpectedly appear. It appears that the police had been informed about the break-in and summoned the employees to provide information. However, as everyone boards the elevator, it suddenly stops and a mysterious gas is released, causing them to lose consciousness. Upon regaining consciousness, they are informed via a mysterious voice that the employees have been fitted with a deadly device around their necks and injected with poison. The voice then issues a chilling ultimatum: in order to escape the elevator alive, they must uncover the identity of the killer among them.

Recommendation: Mikkoku wa Utau Season 2 similar to Sai
50%Match
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Mikkoku wa Utau Season 2(密告はうたう2)

2024Japan
InvestigationMiniseriesMysterySuspenseThrillerDrama

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 50% similarity match.

The First Personnel Division of the Tokyo Metropolitan Police Department is a specialized team tasked with conducting inspections to uncover misconduct among the large workforce of over 40,000 personnel in the police department. Simply being under inspection can potentially ruin a police officer's career. Inspectors like Sara Masaki are known as the police within the police, carrying out their duties in solitude. After two years, Sara stumbles upon a conspiracy that will have far-reaching implications for the entire police organization.

Recommendation: Mofuku no Rendezvous similar to Sai
50%Match
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Mofuku no Rendezvous(喪服のランデヴー)

2000Japan
InvestigationMiniseriesMysterySuspenseThrillerNovel Adaptation

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 50% similarity match.

Derived from the book "Rendezvous in Black" written by Cornell Woolrich.

Recommendation: Koroshita Otto ga Kaette Kimashita similar to Sai
50%Match
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Koroshita Otto ga Kaette Kimashita(殺した夫が帰ってきました)

2025Japan
InvestigationMiniseriesMysterySuspenseThrillerNovel Adaptation

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 50% similarity match.

Suzukura Mana is an aspiring fashion designer working at an apparel company. She has diligently served as an assistant and is on the verge of realizing her dream of debuting as a designer. However, Mana harbors a dark secret that she cannot share with anyone: she killed her husband, who subjected her to daily abuse, to secure the tranquil life she currently enjoys. Suddenly, her supposedly dead husband reappears before her, devoid of any memory of the past, and they find themselves living together. As Mana spends time with her "deceased husband," she discovers a gentler side of him that she had never experienced before. Yet, a startling revelation soon comes to light.

Recommendation: Silent Voice Season 2 similar to Sai
46%Match
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Silent Voice Season 2(サイレント・ヴォイス 行動心理捜査官・楯岡絵麻 2)

2020Japan
InvestigationMiniseriesMysteryPsychologicalSuspenseThrillerNovel AdaptationInterrogator Female LeadPsychologySmart Female Lead

Like Sai, this drama also features Investigation, Miniseries, Mystery, Psychological, Suspense, and Thriller themes with a 46% similarity match.

Tateoka Ema is an expert in interrogation, utilizing behavioral psychology to elicit confessions from suspects with a perfect track record. Through careful observation of micro-expressions, she is able to quickly identify deception in suspects. Her targeted suspects inevitably end up confessing under her scrutiny. (Jdrama Weblog)

Recommendation: Silent Voice similar to Sai
46%Match
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Silent Voice(サイレント・ヴォイス 行動心理捜査官・楯岡絵麻)

2018Japan
InvestigationMiniseriesMysteryPsychologicalSuspenseThrillerNovel AdaptationPolice Department SettingPolice Sergeant Female LeadPsychology

Like Sai, this drama also features Investigation, Miniseries, Mystery, Psychological, Suspense, and Thriller themes with a 46% similarity match.

Individuals deceive using language through their cerebral neocortex. However, just before they speak, the limbic system's mental reflexes become visible. Tateoka Ema, a police sergeant in the Tokyo Metropolitan Police Department's First Investigative Division, possesses the ability to uncover suspects' lies by observing their micro-gestures, which last for only 0.2 seconds. Known as "Enma-sama" (King of Hades) by her peers, she prides herself on a 100% success rate in extracting confessions through the application of behavioral psychology. Despite her expertise in detecting falsehoods, unraveling the complete truth is not always a straightforward task for her. Ema also identifies as a "forever 28" individual who is on the lookout for the ideal life partner.

Recommendation: Dreamland Program Bureau similar to Sai
45%Match
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Dreamland Program Bureau(梦境规划局)

2016China
InvestigationMysteryPsychologicalSuspenseThrillerBoss-Employee RelationshipSci-Fi

Like Sai, this drama also features Investigation, Mystery, Psychological, Suspense, and Thriller themes with a 45% similarity match.

The boss known as "defector" Feng Wei, the tech enthusiast Mi Ye, the young psychologist Dr. Yimin, the fiery Cici, and the genius Gamma are all skilled craftsmen and dream planners. Feng Wei's fiancée, Photon, used to be a dream planner until an accident caused her to lose her self-awareness in a dream black hole. As Feng Wei investigates, the true culprit behind the scenes begins to emerge. This is all connected to experiments conducted by the mysterious organization known as "Garden." What secrets lie within the depths of the dream black hole?

Recommendation: Hakoniwa no Lemming similar to Sai
45%Match
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Hakoniwa no Lemming(箱庭のレミング)

2021Japan
HorrorMiniseriesPsychologicalSuspenseThrillerAnthologySocial Media

Like Sai, this drama also features Horror, Miniseries, Psychological, Suspense, and Thriller themes with a 45% similarity match.

The internet's expansion has made social media an integral aspect of daily life for many individuals

Recommendation: Cloud Prison similar to Sai
45%Match
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Cloud Prison(云端)

2020China
InvestigationMiniseriesMysterySuspenseThrillerShort Length SeriesWeb Series

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 45% similarity match.

Zhang Yan is a young aspiring writer who yearns to achieve fame as a novelist. Despite facing rejection from both major publishing companies and small online platforms, he remains dedicated to his literary pursuits. The only source of comfort in his difficult journey is his loyal girlfriend Yinxia. Zhang Yan constantly fears the day when Yinxia may decide to leave him. One day, he stumbles upon a gripping autobiographical suspense novel on a website, which he cannot find anywhere else online. Unable to resist the temptation, Zhang Yan claims the novel as his own and it unexpectedly becomes a success. However, his girlfriend Yinxia decides to end their relationship as she cannot support the success of a stolen work. With a taste of fame and fortune, Zhang Yan becomes consumed by ambition and no longer desires his previous life of poverty.

Recommendation: ATM (2015) similar to Sai
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ATM (2015)(공포의 ATM)

2015South Korea
HorrorMiniseriesPsychologicalSuspenseThrillerShort Length SeriesWeb Series

Like Sai, this drama also features Horror, Miniseries, Psychological, Suspense, and Thriller themes with a 45% similarity match.

"What actions would you take if someone had complete knowledge of your life?" This is the premise of the gripping psychological thriller web-drama "ATM

Recommendation: The Return of the Snake Girl similar to Sai
45%Match
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The Return of the Snake Girl(蛇女归来)

2021China
HorrorInvestigationMysterySuspenseThrillerShort Length SeriesWeb Series

Like Sai, this drama also features Horror, Investigation, Mystery, Suspense, and Thriller themes with a 45% similarity match.

A creature resembling a serpent emerged and swiftly ensnared the elderly fisherman with its tongue before dragging him away. Shortly after, an 18-year-old named Xin Rui emerged, her body covered in slime and occasional scales visible on her face. High school student Fu Junhao noticed Xin Rui and brought her back to his home. Subsequently, individuals began disappearing on the island one by one. While searching for their missing friends, Xin Rui and Fu Junhao stumbled upon a hidden underground facility on the island. Inside the underground base, they encountered the snake-like creatures. Questions arose about Xin Rui's true identity and her connection to the monsters. As the truth unraveled, Fu Junhao, unknowingly, found himself caught in a catastrophic event.

Recommendation: Abnormalities Season 3 similar to Sai
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Abnormalities Season 3(不思异:辞典3)

2022China
HorrorInvestigationMysterySuspenseThrillerFantasyShort Length Series

Like Sai, this drama also features Horror, Investigation, Mystery, Suspense, and Thriller themes with a 45% similarity match.

The show maintains the fantasy and horror elements seen in the previous seasons, exploring 12 unique tales including talking speakers, floor-growing wigs, hidden black and white photos, a mysterious washing machine, and a phone call from a parallel world. Each episode features a different cursed story.

Recommendation: Keiji no Genba Season 2 similar to Sai
45%Match
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Keiji no Genba Season 2(刑事の現場2 )

2009Japan
InvestigationMiniseriesMysterySuspenseThrillerDetective FictionDetective Male Lead

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 45% similarity match.

This tale follows a young detective and a seasoned detective who hold contrasting values, as they strive to maintain their professional integrity. Keigo is partnered with Umeki, an adept but obstinate detective on the verge of retiring. The story unfolds as the young detective navigates his career while clashing with Umeki, questioning whether to show compassion towards criminals or to treat them with animosity.

Recommendation: Abyss Live similar to Sai
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Abyss Live(诡迷心笑)

2025China
HorrorInvestigationMysterySuspenseThrillerShort Length SeriesWeb Series

Like Sai, this drama also features Horror, Investigation, Mystery, Suspense, and Thriller themes with a 45% similarity match.

During a decline in the film industry, Yiping Film Company introduced a groundbreaking reality show titled "Exploring the Live Cave". Renowned actor Li Kai Xuan and several regular individuals participated in the show, only to encounter a series of eerie and unsettling events. They found themselves ensnared in a mysterious individual's trap, leading them to face challenges that tested their humanity. As they navigated through these trials, a horrifying truth gradually came to light. (WeTV)

Recommendation: Yokoyama Hideo Suspense Season 2 similar to Sai
45%Match
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Yokoyama Hideo Suspense Season 2(横山秀夫サスペンス 第2弾)

2011Japan
InvestigationMiniseriesMysterySuspenseThrillerNovel AdaptationAnthology

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 45% similarity match.

The television series consists of four episodes, each adapted from short stories written by mystery author Yokoyama Hideo. Every episode features a unique murder mystery plot. The episodes are titled as follows: Episode 1 - Overdo / Fukaoi, Episode 2 - Takeover / Hikitsugi, Episode 3 - Lockout / Shimedashi, and Episode 4 - Revenge / Shikaeshi.

Recommendation: Puzzle (2007) similar to Sai
45%Match
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Puzzle (2007)(パズル)

2007Japan
InvestigationMiniseriesMysterySuspenseThrillerSchool SettingYouth

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 45% similarity match.

An elite high school is taken over by an armed group, leading a group of students to search for 2,000 hidden puzzle pieces within the school in a time frame of 48 hours.

Recommendation: Koshonin similar to Sai
45%Match
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Koshonin(交渉人)

2008Japan
InvestigationMiniseriesMysterySuspenseThrillerNegotiator Female LeadPolice Department Setting

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 45% similarity match.

In a contemporary society where violent crimes are increasing, there exists a team dedicated to resolving cases without resorting to violence. This team is the Special Investigation Team (SIT) of the metropolitan police. Unlike other units that intervene after a crime has occurred, the SIT operates on-site as crimes are unfolding. They engage in high-risk missions, confronting criminals and skillfully negotiating with them. Due to the strict police hierarchy that limits negotiators' actions, the SIT is predominantly male and operates under strict discipline. Despite being a minority as a female negotiator, Usagi Reiko fearlessly battles on the front lines, challenging both criminals and the constraints within her organization.

Recommendation: Keiji no Genba similar to Sai
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Keiji no Genba(刑事の現場 )

2008Japan
InvestigationMiniseriesMysterySuspenseThrillerDetective FictionDetective Male Lead

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 45% similarity match.

In a television series, a new police officer joins forces with an experienced detective to form a strong bond while facing challenges together. Keigo begins working at a nearby police precinct and is paired with Shoichi, a seasoned detective who is reserved but kind-hearted and nearing the end of his career. The show depicts the growth of the young detective as he navigates his career alongside the veteran detective and others involved in their cases.

Recommendation: Koshonin Season 2 similar to Sai
45%Match
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Koshonin Season 2(交渉人 2)

2009Japan
InvestigationMiniseriesMysterySuspenseThrillerNegotiator Female LeadPolice Department Setting

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 45% similarity match.

The latest season begins with a series of fatal occurrences linked to firearms distributed to different individuals by an individual referred to as "Summer Claus." These weapons appear to be from a set of 27 stolen guns, with 14 of them already distributed. Usagi and the SIT team must now retrieve the remaining 13 firearms before additional harm is done. (Tokyograph)

Recommendation: Chase (2010) similar to Sai
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Chase (2010)(チェイス~国税査察官~)

2010Japan
InvestigationMiniseriesMysterySuspenseThrillerDetective FictionDrama

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 45% similarity match.

The tale revolves around Haruma Sosuke, an experienced tax inspector, and Murakumo Shuji, a proficient consultant specializing in tax evasion. Haruma believed that his simple life and the world of tax evasion were unrelated, until one day their paths crossed...

Recommendation: Zouka no Mitsu similar to Sai
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Zouka no Mitsu(造花の蜜)

2011Japan
InvestigationMiniseriesMysterySuspenseThrillerDetective Supporting CharacterDrama

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 45% similarity match.

The story begins with the abduction of a young child, which appears to be a kidnapping for ransom. However, the kidnapper surprises everyone by not demanding a specific amount of money, instead leaving it up to the victim to decide. This puts the police in a difficult position as they try to figure out the kidnapper's motives. Adding to the challenge, the ransom exchange is set to take place in a public location during the daytime, adding insult to injury for the authorities. As the case unfolds, it becomes clear that this is just the beginning of a much larger and more complex investigation involving a 700 million yen ransom. Can Detective Hashiba, a seasoned expert in kidnapping cases, successfully apprehend the elusive criminal known as Ran?

Recommendation: Jikken Keiji Totori 2 similar to Sai
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Jikken Keiji Totori 2( 実験刑事トトリ 2)

2013Japan
InvestigationMiniseriesMysterySuspenseThrillerDetective FictionDetective Male Lead

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 45% similarity match.

Totori Hiroshi, formerly a professor specializing in bionomics, made a career change by taking the MPD mid-career recruitment exams. Upon successfully passing the exams, he was delighted to be placed in Division 1. Despite a year having gone by, Totori's partner, Yasunaga Teppei, continues to struggle with the fact that Totori, as a rookie, is older and more experienced than him.

Recommendation: Tsui no Sumika similar to Sai
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Tsui no Sumika(終の棲家)

2014Japan
InvestigationMiniseriesMysterySuspenseThrillerDeathReporter Female Lead

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 45% similarity match.

After earning her MBA from a university in the United States, Asakura Tomoko joined the local news team at a newspaper in Tokyo as a new reporter. Despite her proficiency in numbers, she lacks interest in empathizing with her interviewees. Her superiors perceive her as arrogant and inadequate due to her lack of humility. To change this perception, Tomoko decides to cover a story on home nursing care, drawing inspiration from her memories of her grandfather. However, she is taken aback by the harsh realities she encounters and uncovers a series of mysterious deaths among elderly individuals under such care.

Recommendation: 64 (2015) similar to Sai
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64 (2015)(64)

2015Japan
InvestigationMiniseriesMysterySuspenseThrillerNovel AdaptationDrama

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 45% similarity match.

Amidst a dispute between the public relations office of D Prefectural Police and the correspondents club regarding the anonymity of perpetrators, it has been decided that a director from the Tokyo Metropolitan Police Department will visit the family of the victim in a significant unsolved case from 1989, just a week before the statute of limitations expires. The case involves the kidnapping and murder of Shoko-chan, which remains the most heinous crime in the history of D Prefectural Police. The family of the victim has declined the director's offer to extend condolences. A strict confidentiality order has been issued for all individuals involved in the case, including the investigators from that time. This has created a barrier between the Criminal Investigations Department and the Police Affairs Department. Additionally, a mysterious memo has surfaced, followed by a new kidnapping that bears a striking resemblance to the 1989 case just before the director's scheduled visit.

Recommendation: Messiah: Eisei no Shou similar to Sai
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Messiah: Eisei no Shou(メサイア -影青ノ章-)

2015Japan
InvestigationMiniseriesMysterySuspenseThrillerActionFantasy

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 45% 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: Zero - Episode Zero similar to Sai
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Zero - Episode Zero(ゼロ エピソードZERO)

2018Japan
InvestigationMiniseriesMysterySuspenseThrillerDeath GameFriendship

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 45% 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.

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Kujaku no Dance, Dare ga Mita?(クジャクのダンス、誰が見た?)

2025Japan
InvestigationMiniseriesMysterySuspenseThrillerFather-Daughter RelationshipLife

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 45% 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)

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Fairy Valley Incident(神仙谷事件)

2012Taiwan
InvestigationMiniseriesMysterySuspenseThrillerCrimeDrama

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 45% similarity match.

At the renowned Fairy Valley in Taiwan, a hot spring villa hosted a soft opening for a select group of celebrities, politicians, and Hakka scholars. The tranquility of the event is shattered when a lifeless body is found the following day. Feng, a new staff member at the villa, becomes suspicious of the guests' peculiar behavior, sensing hidden connections and secrets among them. With the help of his sister and a college acquaintance, Feng embarks on a quest to unveil the truth behind the mysterious deaths that continue to occur. (CATCHPLAY+)

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The Dangerous City(城市·獵人)

2013Taiwan
InvestigationMiniseriesMysterySuspenseThrillerActionDrama

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 45% similarity match.

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Yokoyama Hideo Suspense(横山秀夫サスペンス 第1弾)

2010Japan
InvestigationMiniseriesMysterySuspenseThrillerNovel AdaptationAnthology

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 45% similarity match.

Four episodes are inspired by short stories from mystery writer Yokoyama Hideo. Each episode features a unique murder mystery. The episodes are titled: 1. "18th Hole" (18 ), 2. "Misinformation" (Goho ), 3. "Autobiography" (Jiden ), and 4. "Someone Else's House" (Tanin no Ie ).

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Kami no Tsuki(紙の月)

2014Japan
InvestigationMiniseriesMysterySuspenseThrillerNovel AdaptationDrama

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 45% similarity match.

Rinka Umezawa, a homemaker, seeks out small joys in life. Her husband, Masabumi, is committed to supporting her. The couple does not have any children. Rinka decides to take on a part-time job at a bank, where she visits clients' homes and occasionally assists them with household tasks, earning their trust. During one visit to client Kojo Hirabayashi's home, she encounters his grandson Kota, who asks for money. This interaction has a profound impact on Rinka. Subsequently, she steals one hundred million yen from the bank and disappears. Two years later, Rinka's former classmates Yuko Okazaki and Aki Nakaji uncover her embezzlement scheme and confront their own inner demons.

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Go-nin no Junko(5人のジュンコ)

2015Japan
InvestigationMiniseriesMysterySuspenseThrillerNovel AdaptationCrime

Like Sai, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 45% similarity match.

Satake Junko was recently taken into custody as the primary suspect in a series of murders involving five men. This development has garnered significant attention in various media outlets and talk shows. Journalist Tanabe Junko decided to delve into the case in hopes of uncovering a big story. She reached out to Shinoda Junko, a former classmate of Satake, who claimed to be close to her. Shinoda invited Tanabe to her office for a discussion. On the other hand, Fukutome Junko, a former colleague of Tanabe who saw her on TV, contacted her and invited her over to her house. When Tanabe visited, she was hoping for information related to the case, but instead, Fukutome, now a homemaker, talked about issues regarding the hierarchy in her company's housing complex. Subsequently, a man contacted Tanabe claiming to have been a potential victim of Satake. This man happened to be the son of another woman named Junko. As these women, from different walks of life and unrelated to the murders, found themselves connected solely by their shared first name, they unwittingly became entangled in a web of deceit and hostility. Derived from Mari Yukiko's novel "5-nin no Junko."

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Don't Let Me See(别让我看见)

2015China
InvestigationMysterySuspenseThriller

Like Sai, this drama also features Investigation, Mystery, Suspense, and Thriller themes with a 44% similarity match.

The drama follows a band of courageous and unknown volunteers who initiate a battle of wits and bravery against criminals to uphold justice

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Orange Code(橙色密码)

2015China
InvestigationMysterySuspenseThriller

Like Sai, this drama also features Investigation, Mystery, Suspense, and Thriller themes with a 44% similarity match.

Recommendation: Tian Ji Mi similar to Sai
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Tian Ji Mi(天机谜)

2016China
InvestigationMysterySuspenseThriller

Like Sai, this drama also features Investigation, Mystery, Suspense, and Thriller themes with a 44% similarity match.

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Anthology of Abnormal Events(非正常事件集)

2017China
InvestigationMysterySuspenseThriller

Like Sai, this drama also features Investigation, Mystery, Suspense, and Thriller themes with a 44% similarity match.

Zhong Kun, a young man who lived a normal life, experienced a major turning point at 25. He was puzzled by the unusual occurrences he frequently witnessed. With a strong sense of justice instilled in him by his aunt, Zhong Kun found himself unexpectedly joining the criminal investigation team. Teaming up with "computer expert" Shan Zi, he worked on solving challenging cases and delving into the mysterious circumstances surrounding his parents' death in a series of unique investigations.

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Abnormalities(不思异:辞典)

2017China
HorrorInvestigationMysterySuspense

Like Sai, this drama also features Horror, Investigation, Mystery, and Suspense themes with a 44% similarity match.

An assortment of peculiar items that document the anomalies of contemporary culture. From bizarre tales of terror to unsettling urban rumors and unimaginable occurrences of the supernatural... each page recounts a tale of misfortune. (bilibili)