Hard Nut! - Asian drama recommendation
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Hard Nut!(ハードナッツ! )

2013Japan
Age GapCrime Solving DuoEccentric Female LeadInvestigationMathematicsMiniseriesMysteryPolice ProceduralRomanceSmart Female LeadSuspenseThrillerUnrequited Love

Kurumi Nanba, a teenager studying mathematics at Tokyo University, is often seen as an outsider because of her difficulty in communicating with others, despite her exceptional intelligence. On the other hand, Tatsuhiko Tomodo is a budding detective. Together, they collaborate to unravel complex mysteries such as bomb attacks, mysterious murders, and cases of corporate extortion.

Asian dramas like
Hard Nut

Recommendation: Honki no Shirushi similar to Hard Nut!
40%Match
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Honki no Shirushi(本気のしるし)

2019Japan
InvestigationMiniseriesMysteryRomanceSuspenseThrillerAdapted From A MangaLove Triangle

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Romance, Suspense, and Thriller themes with a 40% similarity match.

Tsuji is a young office worker who dislikes social situations and finds them uninteresting. Despite his skillful act of being friendly, he has friends at work and even two romantic partners. One evening, he encounters the mysterious Hayama Ukiyo at a convenience store and discovers that offering help can come with a high price. After their encounter, he can't stop thinking about Ukiyo, even though he understands she should not hold any significance to him. Against his instincts, he becomes increasingly involved in her unconventional world.

Recommendation: The Perfect Husband in the Mirror similar to Hard Nut!
40%Match
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The Perfect Husband in the Mirror(镜中的完美丈夫)

2023China
Age GapInvestigationMysteryRomanceSuspenseThrillerShort Length SeriesWeb Series

Like Hard Nut!, this drama also features Age Gap, Investigation, Mystery, Romance, Suspense, and Thriller themes with a 40% similarity match.

Luo Wei Qi and Meng Ying Chao, her husband, have been married for seven years but are currently experiencing a challenging phase in their relationship

Recommendation: Mistress - Onnatachi no Himitsu similar to Hard Nut!
39%Match
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Mistress - Onnatachi no Himitsu(ミストレス~女たちの秘密~)

2019Japan
Age GapInvestigationMiniseriesMysteryRomanceSuspenseThrillerFemale Centered PlotFriendshipLGBTQ+Lesbian LeadLesbian Romance

Like Hard Nut!, this drama also features Age Gap, Investigation, Miniseries, Mystery, Romance, Suspense, and Thriller themes with a 39% similarity match.

Dr. Shibasaki Kaori finds herself in a troubling situation when her lover, a patient of hers, passes away under suspicious circumstances. She becomes wary of the patient's son, Kido Takashi. Meanwhile, single mother Noguchi Tomomi rediscovers love after seven years, while Harada Saeko and her husband Harada Satoshi disagree on starting a family. Mizushima Juri pursues a carefree romance and finds excitement in a new connection with another woman. As the lives of these four women intertwine, an unexpected story unfolds, inspired by the British TV series "Mistresses" [2008].

Recommendation: The Girls (2020) similar to Hard Nut!
38%Match
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The Girls (2020)(女孩们在那年夏天)

2020China
InvestigationMiniseriesMysterySuspenseThriller

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 38% 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: Sodom no Ringo similar to Hard Nut!
38%Match
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Sodom no Ringo(ソドムの林檎)

2013Japan
InvestigationMiniseriesMysterySuspenseThriller

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 38% 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 Hard Nut!
38%Match
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Tokuso 9 Season 6(特捜9 season6)

2023Japan
InvestigationMiniseriesMysterySuspenseThriller

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 38% 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 Hard Nut!
38%Match
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Tokuso 9 Season 7(特捜9 season7)

2024Japan
InvestigationMiniseriesMysterySuspenseThriller

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 38% 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 Hard Nut!
38%Match
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Tokuso 9 Final Season(特捜9 final season)

2025Japan
InvestigationMiniseriesMysterySuspenseThriller

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 38% 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: Tokuso 9 similar to Hard Nut!
38%Match
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Tokuso 9(特捜9)

2018Japan
InvestigationMiniseriesMysteryPolice ProceduralSuspenseThrillerDetective FictionDetective Male LeadPolice Department Setting

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Police Procedural, Suspense, and Thriller themes with a 38% similarity match.

The group known as the #9 investigation team has been dissolved, leading to its members being dispersed. A year later, Kandagawa Sojiro, the Chief of the National Police Agency, decides to establish a special investigative unit to handle the initial inquiry before it is transferred to the prosecutor's office. Munakata Sakutaro is chosen by Kandagawa Sojiro to lead this special team. Joining Munakata Sakutaro are former members of the #9 investigation team such as Asawa Naoki, Komiyama Shiho, Murase Kengo, Aoyagi Yasushi, Yazawa Hideaki, as well as new recruit Shindo Ryo.

Recommendation: Code similar to Hard Nut!
36%Match
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Code(CODE浮士德遊戲)

2016Taiwan
InvestigationMiniseriesMysterySuspenseThrillerSci-Fi

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 36% similarity match.

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

Recommendation: Into Thin Air similar to Hard Nut!
36%Match
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Into Thin Air(人間蒸發 / 人间蒸发)

2005Hong Kong
InvestigationMysteryRomanceSuspenseThrillerDrama

Like Hard Nut!, this drama also features Investigation, Mystery, Romance, Suspense, and Thriller themes with a 36% similarity match.

Michael Miu, portraying the character Ko Chung Ching, left his position as a police officer to establish a private detective agency following the disappearance of his son, Tsun Sing. This happened while Miu was investigating the "Rose Killer" case. His team consists of Power Chan as Man Kai Ching Super, Bernice Liu as Man Tai Po, and Vivien Yeo as Lam Yan Yan. Kenneth Ma plays a police officer who becomes involved in the "Rose Killer" investigation alongside Miu. Ching continues the search for his son, meeting Melissa Ng's character Lai Siu, who manages a group of part-time actors. Lai Siu discovers her connection to Sing's disappearance and agrees to assist in locating him out of feelings of guilt.

Recommendation: Greed Mask similar to Hard Nut!
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Greed Mask(謎情家族)

2006Hong Kong
InvestigationMysteryRomanceSuspenseThrillerDrama

Like Hard Nut!, this drama also features Investigation, Mystery, Romance, Suspense, and Thriller themes with a 36% similarity match.

Ko Fung is the heir to a successful cosmetics company, where his girlfriend Lok Pui Pui serves as the brand ambassador. During a promotional event for their new makeup line, Pui Pui shocked everyone by appearing in a red traditional dress instead of the planned wedding gown, before suddenly collapsing. Rumors spread that she may have been targeted by the vengeful spirit of a deceased celebrity, known for inspiring copycat suicides. Si To San, a company employee, was later invited to dinner at Ko Fung's home by his father, who claimed to be close friends with Si To San's uncle. Tragically, Ko Fung's father was discovered dead in his study weeks later. With numerous suspects in the mix, it is now up to Ko Fung, Si To San, and Zhou Yee Tong to solve the mystery, unless one of them is the culprit themselves.

Recommendation: Kiri ni Sumu Akuma similar to Hard Nut!
36%Match
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Kiri ni Sumu Akuma(霧に棲む悪魔)

2011Japan
InvestigationMysteryRomanceSuspenseThrillerNovel Adaptation

Like Hard Nut!, this drama also features Investigation, Mystery, Romance, Suspense, and Thriller themes with a 36% similarity match.

Tatsumura Kei, the recipient of a significant inheritance, receives a letter revealing shocking news about his fiancée, who was soon to be married. The letter describes the fiancée as a malicious individual. Surprisingly, the sender of the letter is a mysterious woman clad in white robes, bearing a striking resemblance to Kei. (Fuji TV)

Recommendation: Keiji Yoshinaga Seiichi: Namida no Jikenbo similar to Hard Nut!
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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 Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 36% 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 Hard Nut!
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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 Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 36% 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 Hard Nut!
36%Match
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Da Capo Shimasen ka?(ダ・カーポしませんか?)

2023Japan
InvestigationMiniseriesMysterySuspenseThrillerDeath Game

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 36% 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 Hard Nut!
36%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 Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 36% 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 Hard Nut!
36%Match
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Mikkoku wa Utau Season 2(密告はうたう2)

2024Japan
InvestigationMiniseriesMysterySuspenseThrillerDrama

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 36% 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: Schrodinger's Cat similar to Hard Nut!
36%Match
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Schrodinger's Cat(薛丁格的貓)

2018Taiwan
InvestigationMiniseriesMysterySuspenseThrillerPsychological

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 36% similarity match.

Recommendation: Lu Xiang Dai similar to Hard Nut!
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Lu Xiang Dai(录像带)

2006China
InvestigationMysteryRomanceSuspenseThrillerDrama

Like Hard Nut!, this drama also features Investigation, Mystery, Romance, Suspense, and Thriller themes with a 36% similarity match.

The plot revolves around the rivalry between a female offender and a policewoman. The narrative adheres to the prevailing theme of mystery and suspense dramas, with the discovery of a recording or video tape serving as a crucial clue to uncover the origins of the female criminal's misdeeds. Additionally, a romantic subplot between Lian Hai and Ning Jie intensifies the suspense of the storyline.

Recommendation: Mofuku no Rendezvous similar to Hard Nut!
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Mofuku no Rendezvous(喪服のランデヴー)

2000Japan
InvestigationMiniseriesMysterySuspenseThrillerNovel Adaptation

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 36% similarity match.

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

Recommendation: Koroshita Otto ga Kaette Kimashita similar to Hard Nut!
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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 Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 36% 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: TRICK Season 3 similar to Hard Nut!
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TRICK Season 3(木曜ドラマ TRICK)

2003Japan
InvestigationMiniseriesMysterySmart Female LeadSuspenseThrillerComedyDetective Supporting CharacterEccentric Male LeadMagician Female Lead

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Smart Female Lead, Suspense, and Thriller themes with a 35% similarity match.

The return of an unusual pair consisting of an attractive female magician and a quirky physicist is here! The setting is a secluded mountain village steeped in tradition. Throughout each episode, the female magician and physicist encounter a range of supernatural occurrences that exceed their wildest expectations. Like in the prior season, the duo will work together to uncover the mysteries behind these paranormal events and attempt to logically explain the cunning tricks at play, if there are any. (TV Asahi)

Recommendation: 28 Faces of the Moon similar to Hard Nut!
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28 Faces of the Moon(28개의달)

2016South Korea
InvestigationMiniseriesMysteryRomanceSuspenseThrillerDeath Of A FiancéeDramaLifeShort Length Series

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Romance, Suspense, and Thriller themes with a 35% similarity match.

A man's life takes a drastic turn for the worse when his fiancée passes away just days ahead of their wedding.

Recommendation: Sakurako-san no Ashimoto ni wa Shitai ga Umatteiru similar to Hard Nut!
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Sakurako-san no Ashimoto ni wa Shitai ga Umatteiru(櫻子さんの足下には死体が埋まっている)

2017Japan
Eccentric Female LeadInvestigationMiniseriesMysterySuspenseThrillerNovel AdaptationDetective FictionDramaOsteologist

Like Hard Nut!, this drama also features Eccentric Female Lead, Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 35% similarity match.

Upon their first encounter, Shoutarou Tatewaki is certain that meeting Sakurako Kujou will have a lasting impact on his life. Initially suspecting her involvement in a local disappearance, he soon discovers her expertise in analyzing bone specimens. Sakurako possesses an extensive collection of reconstructed animal bones, yet she longs for more human remains, much to the disapproval of those around her. As Shoutarou joins the peculiar osteologist on various unsolved cases involving decomposing bodies, they find themselves entangled in a series of mysterious incidents. Could there be a larger enigma unfolding in their lives? "Sakurako-san no Ashimoto ni wa Shitai ga Umatteiru" follows the unlikely duo as they demonstrate that while bones reveal how one perished, it is only through people that their life stories can be told.

Recommendation: Silent Voice Season 2 similar to Hard Nut!
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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
InvestigationMiniseriesMysterySmart Female LeadSuspenseThrillerNovel AdaptationInterrogator Female LeadPsychologicalPsychology

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Smart Female Lead, Suspense, and Thriller themes with a 35% 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: Xue Se Can Yang similar to Hard Nut!
33%Match
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Xue Se Can Yang(血色残阳)

2005China
InvestigationMysteryRomanceSuspenseThrillerFake IdentityRevenge

Like Hard Nut!, this drama also features Investigation, Mystery, Romance, Suspense, and Thriller themes with a 33% similarity match.

When Mr. Tao was scheduled to come back home following six years of conducting business in Shanghai, the sole individual present was Yi Ping, a woman who identified herself as his fifth concubine. She was on the verge of revealing the secrets related to the historic well situated in the Tao family's estate's backyard.

Recommendation: Love's Lies similar to Hard Nut!
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Love's Lies(真爱的谎言)

2018China
InvestigationMysteryRomanceSuspenseThrillerDramaDrug Trafficking

Like Hard Nut!, this drama also features Investigation, Mystery, Romance, Suspense, and Thriller themes with a 33% similarity match.

A narrative about an undercover agent infiltrating a dangerous drug organization in order to dismantle it. The life of Dou Dou, a regular office worker, is disrupted when she receives a package containing illegal drugs from her ex-fiancé Jin Yuan, who disappeared on their wedding day seven years ago. Instead of going to the authorities, Dou Dou decides to confront Jin Yuan herself. Detective Qiao Liang has been monitoring Jin Yuan due to suspicions of his involvement in various criminal activities, including drug distribution and money laundering. Dou Dou, still attached to her ex, tries to help him start a new life without realizing that he is actually an undercover police officer.

Recommendation: Cloud Prison similar to Hard Nut!
33%Match
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Cloud Prison(云端)

2020China
InvestigationMiniseriesMysterySuspenseThrillerShort Length SeriesWeb Series

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 33% 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: Keiji no Genba Season 2 similar to Hard Nut!
33%Match
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Keiji no Genba Season 2(刑事の現場2 )

2009Japan
InvestigationMiniseriesMysterySuspenseThrillerDetective FictionDetective Male Lead

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 33% 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: Route similar to Hard Nut!
33%Match
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Route(弓元特攻队)

2023China
InvestigationMysteryRomanceSuspenseThrillerComedyWeb Series

Like Hard Nut!, this drama also features Investigation, Mystery, Romance, Suspense, and Thriller themes with a 33% similarity match.

Gong Li, a well-known figure, has led a charmed life until a series of unfortunate events make him question his luck. These events lead him to get entangled in a murder case with Zhou Yin Yuan, an astrology enthusiast with a background in psychology. Despite being an unlikely suspect, circumstances push them together as scapegoats. Wrongly accused, they must collaborate to clear their names but find themselves drawn into a bizarre mystery. In their quest for justice, they decide to seek professional help from the police. Will this unconventional pair find the truth they seek?

Recommendation: Mi Zhang similar to Hard Nut!
33%Match
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Mi Zhang(弥彰)

2025China
InvestigationMysteryRomanceSuspenseThrillerShort Length SeriesWeb Series

Like Hard Nut!, this drama also features Investigation, Mystery, Romance, Suspense, and Thriller themes with a 33% similarity match.

In her quest to reveal the circumstances surrounding her grandfather's demise, Wu Xiao Meng discreetly enters the competing Shenghua Group. There, she finds herself caught in a perilous web of deception alongside her first love, Sheng Yun Xiao. As buried memories begin to emerge, the pair collaborate to unearth a conspiracy that has remained hidden for fifteen years, seeking to deliver the justice that has been long overdue.

Recommendation: Yokoyama Hideo Suspense Season 2 similar to Hard Nut!
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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 Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 33% 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 Hard Nut!
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Puzzle (2007)(パズル)

2007Japan
InvestigationMiniseriesMysterySuspenseThrillerSchool SettingYouth

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 33% 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 Hard Nut!
33%Match
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Koshonin(交渉人)

2008Japan
InvestigationMiniseriesMysterySuspenseThrillerNegotiator Female LeadPolice Department Setting

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 33% 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 Hard Nut!
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Keiji no Genba(刑事の現場 )

2008Japan
InvestigationMiniseriesMysterySuspenseThrillerDetective FictionDetective Male Lead

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 33% 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 Hard Nut!
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Koshonin Season 2(交渉人 2)

2009Japan
InvestigationMiniseriesMysterySuspenseThrillerNegotiator Female LeadPolice Department Setting

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 33% 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 Hard Nut!
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Chase (2010)(チェイス~国税査察官~)

2010Japan
InvestigationMiniseriesMysterySuspenseThrillerDetective FictionDrama

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 33% 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 Hard Nut!
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Zouka no Mitsu(造花の蜜)

2011Japan
InvestigationMiniseriesMysterySuspenseThrillerDetective Supporting CharacterDrama

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 33% 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 Hard Nut!
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Jikken Keiji Totori 2( 実験刑事トトリ 2)

2013Japan
InvestigationMiniseriesMysterySuspenseThrillerDetective FictionDetective Male Lead

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 33% 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 Hard Nut!
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Tsui no Sumika(終の棲家)

2014Japan
InvestigationMiniseriesMysterySuspenseThrillerDeathReporter Female Lead

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 33% 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 Hard Nut!
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64 (2015)(64)

2015Japan
InvestigationMiniseriesMysterySuspenseThrillerNovel AdaptationDrama

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 33% 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 Hard Nut!
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Messiah: Eisei no Shou(メサイア -影青ノ章-)

2015Japan
InvestigationMiniseriesMysterySuspenseThrillerActionFantasy

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 33% 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 Hard Nut!
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Zero - Episode Zero(ゼロ エピソードZERO)

2018Japan
InvestigationMiniseriesMysterySuspenseThrillerDeath GameFriendship

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 33% 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: Kujaku no Dance, Dare ga Mita? similar to Hard Nut!
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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 Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 33% 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: Game of Succession similar to Hard Nut!
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Game of Succession(สายรักสายเลือด)

2025Thailand
InvestigationMysteryRomanceSuspenseThrillerDeath Of A MotherDrama

Like Hard Nut!, this drama also features Investigation, Mystery, Romance, Suspense, and Thriller themes with a 33% similarity match.

Driven by the passing of his mother, an absent will, and hidden truths, Mekhin embarks on a quest for justice and to assert his rights as the rightful heir.

Recommendation: Fairy Valley Incident similar to Hard Nut!
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Fairy Valley Incident(神仙谷事件)

2012Taiwan
InvestigationMiniseriesMysterySuspenseThrillerCrimeDrama

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 33% 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+)

Recommendation: The Dangerous City similar to Hard Nut!
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The Dangerous City(城市·獵人)

2013Taiwan
InvestigationMiniseriesMysterySuspenseThrillerActionDrama

Like Hard Nut!, this drama also features Investigation, Miniseries, Mystery, Suspense, and Thriller themes with a 33% similarity match.

Recommendation: Seijo similar to Hard Nut!
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Seijo(聖女)

2014Japan
Age GapAge GapInvestigationMiniseriesMysteryRomanceDramaOlder Woman-Younger Man

Like Hard Nut!, this drama also features Age Gap, Age Gap, Investigation, Miniseries, Mystery, and Romance themes with a 33% similarity match.

When he was 17 years old, his private tutor Ozawa Maria, who was a university student at the time, left him with a final message: "I will be your girlfriend once you are accepted into university and reach adulthood." She then disappeared from his life abruptly. He still occasionally dreams about her, even a decade later. They meet again after 10 years; she is now a suspect in a series of murders, and he is working as a lawyer. As their relationship is rekindled, a tumultuous and heartbreaking love story unfolds. The protagonist's emotions fluctuate between affection and disdain as he questions whether Maria is a malevolent figure or a virtuous one.

Recommendation: Liar's Love similar to Hard Nut!
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Liar's Love(危险爱人)

2022China
InvestigationMysteryRomanceSuspenseThrillerNovel AdaptationMarried Female Lead

Like Hard Nut!, this drama also features Investigation, Mystery, Romance, Suspense, and Thriller themes with a 33% similarity match.

Su Tang and her husband operate an art gallery together and appear to have an ideal, affectionate marriage that others envy. However, what if one day you were to discover that the person lying beside you is a horrifying serial murderer? What actions would you take? Moving forward leads to destruction, while stepping back brings sweetness. The line between the man you adore and the frightening killer is very thin. Su Tang, can you recognize the true face of love?