Watashi no Tadashi Oniichan - Asian drama recommendation
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Watashi no Tadashi Oniichan(私の正しいお兄ちゃん)

2021Japan
Adapted From A MangaAge GapDeathDramaForbidden LoveInvestigationMiniseriesMurderMysteryPsychologicalRomanceSleep DisorderViolenceViolence Against Children

Riyo is a college student who has a part-time job at a retail store. One day at work, she meets a young man named Kairi who bears a striking resemblance to her long-lost older brother. Kairi, who struggles with insomnia, finds that his sleep improves when he is around Riyo. As they grow closer, Riyo discovers Kairi's diary and is shocked to read an entry that seems to implicate him in a murder. Determined to uncover the truth, Riyo must figure out if Kairi's confession is genuine or if there has been a misunderstanding. The question remains: has she unknowingly fallen for a killer?

Asian dramas like
Watashi No Tadashi Oniichan

Recommendation: Shikeidai no 72-Jikan similar to Watashi no Tadashi Oniichan
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Shikeidai no 72-Jikan(死刑台の72時間)

2013Japan
Adapted From A MangaDeathDramaInvestigationMiniseriesMurderMystery

Like Watashi no Tadashi Oniichan, this drama also features Adapted From A Manga, Death, Drama, Investigation, Miniseries, Murder, and Mystery themes with a 50% similarity match.

The storyline revolves around a group of five individuals - four females and one male - who are confined within a grand mansion situated in the mountains. The estate is owned by Kaoru, the mother of Usui Toru, a man who tragically took his own life three years prior. Upon their arrival, Kaoru reveals to the group that her son was actually murdered, and the perpetrator is among them. They are given a deadline of 72 hours to uncover the true culprit, or else face dire consequences. This series was broadcasted on NHK BS Premium and is an adaptation of a manga created by Chie Shinohara.

Recommendation: N no Tame ni similar to Watashi no Tadashi Oniichan
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N no Tame ni(Nのために)

2014Japan
DeathDramaInvestigationMiniseriesMurderMysteryRomanceViolenceViolence Against ChildrenNovel AdaptationFlashback To PastFriendshipOlder Woman-Younger Man

Like Watashi no Tadashi Oniichan, this drama also features Death, Drama, Investigation, Miniseries, Murder, Mystery, Romance, Violence, and Violence Against Children themes with a 50% similarity match.

University students Sugishita Nozomi, Naruse Shinji, Ando Nozomi, and Nishizaki Masato stumble upon the murder of the Noguchi couple as a result of their premeditated plan. Nishizaki is apprehended at the scene and receives a 10-year prison sentence due to his voluntary admission of guilt. A decade later, former police officer Takano Shigeru, skeptical of the case's outcome, begins to seek the truth. He believes the root of the incident lies in a crime committed by Nozomi and Naruse on an island in the Seto Inland Sea 15 years prior, all for the sake of each other.

Recommendation: Yaneura no Koibito similar to Watashi no Tadashi Oniichan
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Yaneura no Koibito(屋根裏の恋人)

2017Japan
DeathDramaInvestigationMiniseriesMurderMysteryPsychologicalRomanceFamilySecretSuspenseThriller

Like Watashi no Tadashi Oniichan, this drama also features Death, Drama, Investigation, Miniseries, Murder, Mystery, Psychological, and Romance themes with a 44% similarity match.

Saijo Kinuka, a homemaker, resides in a Western-style house in Kamakura with her husband and two teenage children after inheriting it from her late father-in-law. She fulfills her dream of opening a flower arrangement school in the salon of her new home. However, her past resurfaces when her ex-boyfriend, Seno Itsuki, unexpectedly shows up at her housewarming party. Strange occurrences begin to unfold in the household, such as missing food and clothing, as it is revealed that Seno has been secretly living in the attic. This leads to the unraveling of hidden secrets among those close to Kinuka, ultimately impacting her mental state. The situation escalates when a murder occurs, drastically altering her fate.

Recommendation: Strawberry Night Saga similar to Watashi no Tadashi Oniichan
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Strawberry Night Saga(ストロベリーナイト・サーガ)

2019Japan
Age GapDeathDramaInvestigationMurderMysteryViolenceViolence Against ChildrenNovel AdaptationBloodDetective Female LeadDetective Fiction

Like Watashi no Tadashi Oniichan, this drama also features Age Gap, Death, Drama, Investigation, Murder, Mystery, Violence, and Violence Against Children themes with a 44% similarity match.

At the age of 27, Himekawa Reiko takes on the role of the sole female section chief in the First Investigative Division after serving as an assistant inspector in the Tenth Homicide Section

Recommendation: Anata no Ban Desu - Counterattack similar to Watashi no Tadashi Oniichan
41%Match
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Anata no Ban Desu - Counterattack(あなたの番です 反撃編)

2019Japan
Age GapAge GapDeathInvestigationMiniseriesMurderMysteryRomanceDeath GameNeighbors' RelationshipOlder Woman-Younger Man

Like Watashi no Tadashi Oniichan, this drama also features Age Gap, Age Gap, Death, Investigation, Miniseries, Murder, Mystery, and Romance themes with a 41% similarity match.

Recommendation: Utsubora similar to Watashi no Tadashi Oniichan
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Utsubora(ウツボラ)

2023Japan
Adapted From A MangaDeathDramaInvestigationMiniseriesMysteryPsychologicalBlackmailSexual ContentWriter Female Lead

Like Watashi no Tadashi Oniichan, this drama also features Adapted From A Manga, Death, Drama, Investigation, Miniseries, Mystery, and Psychological themes with a 41% similarity match.

One day, a woman named Aki passes away under mysterious circumstances. Sakura approaches well-known author Mizorogi and claims to be Aki's twin sister. It is revealed that Mizorogi had plagiarized Aki's novel "Utsubora." With the original manuscript in hand, Sakura offers Mizorogi some advice. The act of plagiarism begins to consume Mizorogi with darkness. Simultaneously, investigators work to uncover the truth behind Aki's death.

Recommendation: Hitorishizuka similar to Watashi no Tadashi Oniichan
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Hitorishizuka(ヒトリシズカ)

2012Japan
DeathDramaInvestigationMiniseriesMurderMysteryNovel Adaptation

Like Watashi no Tadashi Oniichan, this drama also features Death, Drama, Investigation, Miniseries, Murder, and Mystery themes with a 40% similarity match.

In a neighborhood, a man is killed by an intruder who entered his apartment unlawfully. Sergeant Kizaki, who is on duty nearby, hears a gunshot and rushes to the building. Detective Omura is already present at the crime scene. As they investigate, they make progress in identifying the perpetrator. Sergeant Kizaki begins to suspect that someone else is involved in the case. Suddenly, a young woman emerges from the darkness. Sergeant Kizaki senses a connection between her and the murders.

Recommendation: Seijo similar to Watashi no Tadashi Oniichan
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Seijo(聖女)

2014Japan
Age GapAge GapDramaInvestigationMiniseriesMysteryRomanceOlder Woman-Younger Man

Like Watashi no Tadashi Oniichan, this drama also features Age Gap, Age Gap, Drama, Investigation, Miniseries, Mystery, and Romance themes with a 40% 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: Mirai Nikki similar to Watashi no Tadashi Oniichan
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Mirai Nikki(未来日記)

2012Japan
Adapted From A MangaDeathInvestigationMurderMysteryPsychologicalRomanceDeath GameGameSci-FiSurvival

Like Watashi no Tadashi Oniichan, this drama also features Adapted From A Manga, Death, Investigation, Murder, Mystery, Psychological, and Romance themes with a 39% similarity match.

The series will feature an original plot that deviates from the manga, focusing on a group of 12 individuals who possess a special diary that enables them to accurately predict future events. However, they are all participants in a deadly competition where they must utilize their diaries to eliminate each other and emerge as the sole survivor, earning the coveted "God's seat." Hoshino Arata, a lethargic university student with a disdain for hard work and future planning, unexpectedly acquires a future diary on his cellphone, thrusting him into the dangerous game of survival.

Recommendation: Kyoto Chiken no Onna Season 6 similar to Watashi no Tadashi Oniichan
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Kyoto Chiken no Onna Season 6(京都地検の女 6)

2010Japan
DeathDramaInvestigationMiniseriesMurderMysteryLawProsecutor Female Lead

Like Watashi no Tadashi Oniichan, this drama also features Death, Drama, Investigation, Miniseries, Murder, and Mystery themes with a 38% similarity match.

Kyoto's district prosecutor, Aya Tsurumaru, is celebrating her 50th birthday happily until her unexpected visitor, Keiko, her mother-in-law from Tokyo, arrives. Aya is known for her tough stance on violent criminals, but finds herself struggling to deal with Keiko's presence, feeling increasingly annoyed. Meanwhile, the body of Yasushi Iijima, a landscaper, is found dead under suspicious circumstances that suggest foul play rather than a natural accident. The investigation leads to Mineo Hayashi, a Japanese artist based in China, who catches Aya's attention during her visit to him when she notices his wet shoes.

Recommendation: Kinkyu Torishirabeshitsu Season 2 similar to Watashi no Tadashi Oniichan
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Kinkyu Torishirabeshitsu Season 2(緊急取調室 2)

2017Japan
DeathDramaInvestigationMiniseriesMurderMysteryDetective Female LeadDetective Fiction

Like Watashi no Tadashi Oniichan, this drama also features Death, Drama, Investigation, Miniseries, Murder, and Mystery themes with a 38% similarity match.

Makabe Yukiko works as a detective within the First Investigative Division's Emergency Investigation Response Team, known as Kintori

Recommendation: Itsuka Kono Ame ga Yamu Hi made similar to Watashi no Tadashi Oniichan
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Itsuka Kono Ame ga Yamu Hi made(いつかこの雨がやむ日まで)

2018Japan
DeathDramaInvestigationMiniseriesMurderMysteryFamilyWrongfully Accused

Like Watashi no Tadashi Oniichan, this drama also features Death, Drama, Investigation, Miniseries, Murder, and Mystery themes with a 38% similarity match.

At the age of 11, Morimura Hikari aspired to pursue a career as a musical actress. However, her dreams were shattered when a musical actress, whom her older brother Kunihiko was dating, was tragically murdered. Kunihiko was wrongfully accused and arrested for the crime. In order to distance herself from the painful memories, Hikari left her hometown and adopted her mother's maiden name, Kitazono. Now 26 years old, Hikari continues to hold onto her dream of becoming a musical actress despite facing numerous challenges in her life. She juggles working at a bar with taking care of her mother. Upon hearing of Kunihiko's release from prison, Hikari decides to confront him one last time to bid farewell to the brother who had brought turmoil into her life. However, their meeting takes an unexpected turn when Kunihiko proclaims his innocence before disappearing from her life once again.

Recommendation: Reset similar to Watashi no Tadashi Oniichan
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Reset(리셋)

2014South Korea
DeathDramaInvestigationMiniseriesMurderMysteryAmnesiaProsecutor Male Lead

Like Watashi no Tadashi Oniichan, this drama also features Death, Drama, Investigation, Miniseries, Murder, and Mystery themes with a 38% similarity match.

Cha Woo Jin serves as a prosecutor. Fifteen years prior, he tragically lost his first love, Seung Hee, to a violent crime. Since that time, he has committed himself to tackling cases of violent offenses. During his pursuit of a criminal, a high school student named Jo Eun Bi finds herself entangled in the investigation. Alongside Cha Woo Jin are Section Chief Han and a prosecution investigation officer.

Recommendation: Honcho Azumi Season 6 similar to Watashi no Tadashi Oniichan
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Honcho Azumi Season 6(ハンチョウ~警視庁安積班~ シリーズ6)

2013Japan
DeathDramaInvestigationMiniseriesMurderMysteryNovel AdaptationDetective Male Lead

Like Watashi no Tadashi Oniichan, this drama also features Death, Drama, Investigation, Miniseries, Murder, and Mystery themes with a 38% similarity match.

This time, Azumi and his colleagues must collaborate to resolve different cases near Tokyo Sky Tree in Oshiage, Tokyo. They are tasked with working at a branch office in the area, functioning as both a police station and a neighborhood police box. Dealing with the complex local environment and widespread police mistrust poses ongoing challenges for them in their work.

Recommendation: Rasen no Meikyu: DNA Kagaku Sosa similar to Watashi no Tadashi Oniichan
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Rasen no Meikyu: DNA Kagaku Sosa(らせんの迷宮)

2021Japan
Adapted From A MangaDeathDramaInvestigationMiniseriesMurderMysteryBromanceDetective FictionDetective Male LeadProfessor Male LeadSerial Killings

Like Watashi no Tadashi Oniichan, this drama also features Adapted From A Manga, Death, Drama, Investigation, Miniseries, Murder, and Mystery themes with a 37% similarity match.

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

Recommendation: Rinsho Hanzai Gakusha Himura Hideo no Suiri Season 2 similar to Watashi no Tadashi Oniichan
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Rinsho Hanzai Gakusha Himura Hideo no Suiri Season 2(臨床犯罪学者 火村英生の推理)

2019Japan
Age GapDeathDramaInvestigationMiniseriesMurderMysteryNovel AdaptationDetective FictionDetective Male LeadEccentric Male LeadWriter Male Lead

Like Watashi no Tadashi Oniichan, this drama also features Age Gap, Death, Drama, Investigation, Miniseries, Murder, and Mystery themes with a 37% similarity match.

Himura Hideo works as a criminologist, while his close friend Arisugawa Arisu is known for writing mystery novels. Together, they collaborate to solve various cases by utilizing their individual strengths and supporting each other's weaknesses.

Recommendation: Dalah: Death and the Flowers similar to Watashi no Tadashi Oniichan
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Dalah: Death and the Flowers(ดาหลา บุปผา ฆาตกรรม)

2025Thailand
DeathDramaInvestigationMiniseriesMurderMysteryViolenceCrimeFlorist Female LeadSinger Supporting CharacterSuspenseThriller

Like Watashi no Tadashi Oniichan, this drama also features Death, Drama, Investigation, Miniseries, Murder, Mystery, and Violence themes with a 37% similarity match.

As law enforcement hurries to apprehend suspects in a highly publicized murder investigation, the enigmatic death marks the onset of a cascade of sinister truths waiting to be revealed. The narrative centers on Dalah, a fashionable floral designer tasked with creating flower arrangements for the eagerly awaited wedding of Ohm, the frontrunner for Prime Minister, and his fiancée Risa. Their impending marriage has garnered widespread media attention as it is set to merge two of the nation’s most influential families. However, when the groom is discovered deceased on the day of the wedding, all attendees find themselves under suspicion in the murder inquiry. Caught in a tangled web of clandestine relationships and elite scandals, Dalah takes it upon herself to investigate, uncovering dark secrets and a conspiracy that connects to her own history.

Recommendation: Kanojo ga Shinjatta similar to Watashi no Tadashi Oniichan
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Kanojo ga Shinjatta(彼女が死んじゃった。)

2004Japan
Adapted From A MangaDramaInvestigationMiniseriesMystery

Like Watashi no Tadashi Oniichan, this drama also features Adapted From A Manga, Drama, Investigation, Miniseries, and Mystery themes with a 36% similarity match.

The mystery drama revolves around the bittersweet tale of love and sorrow. Yukari, a vibrant and free-spirited young woman, leaves a lasting impact on those she encounters with her vivacious personality. After her unexpected death, her jealous younger sister, Reiko, and naive fianc , Yoshio, team up with the charming entertainer Hajime, the last person to see her alive. Together, the unlikely trio must work together to uncover the truth behind Yukari's sudden passing. By delving into the contacts in her phone, they embark on a journey to interview those who were connected to Yukari in order to unravel the enigma surrounding her demise. However, as they uncover Yukari's hidden past, they are met with shocking revelations that challenge their understanding of her true identity.

Recommendation: Shitsuji Saionji no Meisuiri Season 2 similar to Watashi no Tadashi Oniichan
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Shitsuji Saionji no Meisuiri Season 2(執事 西園寺の名推理2)

2019Japan
DeathInvestigationMiniseriesMurderMystery

Like Watashi no Tadashi Oniichan, this drama also features Death, Investigation, Miniseries, Murder, and Mystery themes with a 36% similarity match.

Saionji Hajime is employed by the affluent Ijuuin family and graduated as the top student from a prestigious butler academy in London. He excels in housekeeping, mansion management, martial arts, and possesses a wide range of knowledge in various subjects such as science and history. Saionji has built a strong bond of trust with Yuriko, the widow of the Ijuuin family patriarch. He is known for following Yuriko's requests and taking on challenging investigations independently. Despite being primarily a butler, Saionji has proven his investigative skills by successfully solving complex mysteries using his expertise and abilities.

Recommendation: Mermaid Story similar to Watashi no Tadashi Oniichan
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Mermaid Story(인어 이야기)

2007South Korea
DramaInvestigationMiniseriesMysteryRomance

Like Watashi no Tadashi Oniichan, this drama also features Drama, Investigation, Miniseries, Mystery, and Romance themes with a 36% similarity match.

Lee Min Suk becomes enamored with Son Mi Na, but she unexpectedly vanishes one day. Subsequently, he encounters and develops feelings for Nam Soo In. However, a year after Son Mi Na's mysterious disappearance, her remains are discovered, and Lee Min Suk is identified as the primary suspect in her murder.

Recommendation: Keishicho Sosa Ikka 9-Gakari Season 12 similar to Watashi no Tadashi Oniichan
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Keishicho Sosa Ikka 9-Gakari Season 12(警視庁捜査一課9係 12)

2017Japan
DeathDramaInvestigationMiniseriesMurderMysteryDetective FictionDetective Male LeadPolice Department Setting

Like Watashi no Tadashi Oniichan, this drama also features Death, Drama, Investigation, Miniseries, Murder, and Mystery themes with a 35% similarity match.

The leader of the First Division 9th Sub-division is currently on a unique assignment, so an experienced teacher from the section's coroner has arrived to take his place

Recommendation: Gonzo similar to Watashi no Tadashi Oniichan
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Gonzo(ゴンゾウ)

2008Japan
DeathInvestigationMiniseriesMurderMysteryPsychologicalDetective FictionDetective Male LeadTrauma

Like Watashi no Tadashi Oniichan, this drama also features Death, Investigation, Miniseries, Murder, Mystery, and Psychological themes with a 35% similarity match.

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

Recommendation: Keishicho Sosa Ikka 9-Gakari Season 7 similar to Watashi no Tadashi Oniichan
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Keishicho Sosa Ikka 9-Gakari Season 7(警視庁捜査一課9係 7)

2012Japan
DeathDramaInvestigationMiniseriesMurderMysteryDetective FictionDetective Male LeadPolice Department Setting

Like Watashi no Tadashi Oniichan, this drama also features Death, Drama, Investigation, Miniseries, Murder, and Mystery themes with a 35% similarity match.

Before becoming police officers, each member of the Ninth Section of the First Investigative Division faces personal challenges and difficulties. Despite their individualistic nature leading to conflicting approaches in investigations, they are bound together by a shared commitment to justice. While their actions may seem disjointed, they all dedicate themselves to apprehending criminals and tackling complex cases with unwavering determination.

Recommendation: Shiranakute Ii Koto similar to Watashi no Tadashi Oniichan
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Shiranakute Ii Koto(知らなくていいコト)

2020Japan
DeathDramaInvestigationMiniseriesMysteryRomanceInfidelityReporter Female LeadRich Female Lead

Like Watashi no Tadashi Oniichan, this drama also features Death, Drama, Investigation, Miniseries, Mystery, and Romance themes with a 35% similarity match.

Keito works as a journalist for a magazine that is published weekly. The magazine features stories on various topics such as political corruption and scandals involving celebrities. Keito is always on the lookout for the next big story. In addition to her successful career, Keito is wealthy and happy with her work and personal life. Tragically, Keito's mother passes away suddenly. Anna, who was a single parent and a film critic, raised Keito on her own. Before her death, Anna mentioned something about Keito's father, who happens to be a famous Hollywood actor.

Recommendation: Ai Naki Mori de Sakebe similar to Watashi no Tadashi Oniichan
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Ai Naki Mori de Sakebe(愛なき森で叫べ)

2020Japan
DeathInvestigationMiniseriesMurderMysteryPsychologicalBased On A True StoryLGBTQ+Serial Killings

Like Watashi no Tadashi Oniichan, this drama also features Death, Investigation, Miniseries, Murder, Mystery, and Psychological themes with a 35% similarity match.

Murata Jo is known for his cunning and manipulative ways. Despite his outwardly cheerful demeanor, he exerts emotional influence over others to exploit them for financial gain and coerce them into carrying out violent acts. This behavior mirrors the actions of Futoshi Matsunaga, the mastermind behind the real-life criminal case known as the Kitakyushu Serial Murder Incident, which occurred from 1996 to 1998.

Recommendation: Dakara Korosenakatta similar to Watashi no Tadashi Oniichan
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Dakara Korosenakatta(だから殺せなかった)

2022Japan
DeathInvestigationMiniseriesMurderMysteryViolenceNovel AdaptationIllnessJournalism

Like Watashi no Tadashi Oniichan, this drama also features Death, Investigation, Miniseries, Murder, Mystery, and Violence themes with a 35% similarity match.

Attempting to prevent my killings with mere words was futile. This was a statement found in the initial letter sent to Ippongi Toru, a wandering reporter for the local news department of Taiyo Shinbun. The murderer specifically targeted Ippongi and requested a public discussion to be held in the pages of Taiyo Shinbun. Subsequent letters contained intricate descriptions of the random series of murders that had unsettled the Tokyo metropolitan region. Utilizing the power of his words, Ippongi engaged in a direct confrontation with the culprit, who threatened another murder. The extraordinary exchange between the serial killer and the newspaper journalist ultimately had a profound impact on society.

Recommendation: Who Killed the Good Man similar to Watashi no Tadashi Oniichan
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Who Killed the Good Man(大債時代)

2021Taiwan
DeathDramaInvestigationMiniseriesMurderMysteryBusinessDebtLife

Like Watashi no Tadashi Oniichan, this drama also features Death, Drama, Investigation, Miniseries, Murder, and Mystery themes with a 35% similarity match.

Yang Da Qi is currently seeking investors to bring his vision of establishing his own coffee maker business to life. Additionally, he hosts a live stream focusing on financial management. As a content creator on YouTube, he maintains a positive and optimistic image. Zhou Yong Qing holds a managerial position in the creditor's rights division at a bank. She is dedicated to her job and often puts in extra hours. During holidays, she also works part-time as a food delivery driver. Her sole purpose for working tirelessly is to purchase a home for her mother, sacrificing any time for leisure or relaxation. Ah Liang is known for his kind-hearted nature. After facing financial hardships for many years, he eventually started his own business, got married, and started a family. However, his seemingly smooth life takes a tragic turn when he unexpectedly decides to take his own life, leaving loved ones in shock and confusion. Da Qi, Yong Qing, and Ah Liang were once close friends during their high school days. Despite their childhood pact to achieve their dreams as adults, they reunite under tragic circumstances at Ah Liang's funeral. Yong Qing and Da Qi grow closer following Ah Liang's passing. As they reconnect, Yong Qing uncovers the financial burden hidden behind Da Qi's carefree facade. Yong Qing, on the other hand, faces immense pressure due to her goal of buying a home for her mother, as well as dealing with the repercussions of her subordinate's mistakes. This story sheds light on a harsh reality: in a society where everyone is weighed down by debt, where even the act of breathing comes at a cost, where do individuals find the strength to keep going?

Recommendation: Mottomo Tooi Ginga SP similar to Watashi no Tadashi Oniichan
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Mottomo Tooi Ginga SP(最も遠い銀河)

2013Japan
DeathDramaInvestigationMiniseriesMurderMysteryNovel AdaptationSuspenseThriller

Like Watashi no Tadashi Oniichan, this drama also features Death, Drama, Investigation, Miniseries, Murder, and Mystery themes with a 35% similarity match.

Detective Seiichiro Watari from the Otaru Police Precinct in Hokkaido is retiring soon with unresolved business from seven years ago. The unidentified skeleton of a woman was discovered in the sea of Otaru, halting the investigation. Watari is determined to identify her before leaving the precinct. Three years after retirement, he stumbles upon a clue that could solve the case, despite his limited life expectancy. With the help of detective Kaoru Saotome, he begins reinvestigating, much to the dismay of his wife Suzuko. They travel to Tokyo to meet a jewelry designer who provided a clue, but she has mysteriously disappeared. Watari's obsession with the case stems from the tragic drowning of his daughter Kozue 20 years ago. As he delves deeper, he encounters architect Haruyuki Kiryu, whose connection to the case remains unclear. Kiryu is determined to succeed in his company, even as he becomes involved with Akane Seike, the president's daughter who bears a striking resemblance to his deceased girlfriend. Their entangled fates lead to a dangerous pursuit of ambition and truth.

Recommendation: Rakuen similar to Watashi no Tadashi Oniichan
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Rakuen(楽園)

2017Japan
DeathInvestigationMiniseriesMurderMysteryPsychologicalNovel AdaptationKidnappingSupernatural

Like Watashi no Tadashi Oniichan, this drama also features Death, Investigation, Miniseries, Murder, Mystery, and Psychological themes with a 35% similarity match.

A widely discussed event has taken place in Japan involving the Doizaki couple who murdered their 15-year-old daughter and concealed her body beneath their home for 16 years. One day, Toshiko Hagitani, a homemaker, visits Shigeko Maehata, an employee at a small publishing company, to share her suspicion that her 12-year-old son Hitoshi may possess a unique ability to see the memories of others. Toshiko shows Shigeko a drawing created by Hitoshi depicting a girl with a pale face lying in a house topped with a bat-shaped weather vane, resembling the Doizaki couple case. Intrigued, Shigeko decides to investigate further, but tragically, Hitoshi passes away in a car accident. Meanwhile, the Doizaki couple's lawyer informs their daughter Seiko that they have severed all ties with her. Concurrently, a female high school student is reported missing.

Recommendation: Jashin no Tenbin Koan Bunseki Han similar to Watashi no Tadashi Oniichan
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Jashin no Tenbin Koan Bunseki Han(邪神の天秤 公安分析班)

2022Japan
DeathDramaInvestigationMiniseriesMurderMysteryNovel AdaptationEgyptian MythologyTorture

Like Watashi no Tadashi Oniichan, this drama also features Death, Drama, Investigation, Miniseries, Murder, and Mystery themes with a 35% similarity match.

Takano was reassigned to the prestigious Public Security Department within the Japanese police force. The murder of a prominent member of the ruling party occurred close to the site of a previous bombing. The victim had one of their organs removed and a symbol resembling a heart with wings was left nearby. Despite feeling uneasy about the murder method, which seemed to be inspired by ancient Egyptian mythology, Takano's attempts to discuss the case were dismissed by his colleague Himuro.

Recommendation: My Perfect Stranger similar to Watashi no Tadashi Oniichan
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My Perfect Stranger(어쩌다 마주친, 그대)

2023South Korea
Age GapAge GapDeathDramaInvestigationMurderMysteryRomance1980sCalm Male LeadNews Presenter Male LeadSci-FiSmart Male LeadTime Travel

Like Watashi no Tadashi Oniichan, this drama also features Age Gap, Age Gap, Death, Drama, Investigation, Murder, Mystery, and Romance themes with a 35% similarity match.

Yun Hae Jun, the most junior news presenter at his network, and Baek Yun Yeong, a staff member at a publishing house who harbored aspirations of becoming a writer, find themselves transported to the year 1987

Recommendation: Higurashi no Naku Koro ni similar to Watashi no Tadashi Oniichan
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Higurashi no Naku Koro ni(ひぐらしのなく頃に)

2016Japan
DeathInvestigationMiniseriesMurderMysteryPsychologicalViolenceActionAdapted From A GameFriendshipHorrorSupernaturalSuspense

Like Watashi no Tadashi Oniichan, this drama also features Death, Investigation, Miniseries, Murder, Mystery, Psychological, and Violence themes with a 35% 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: 100-manen no Onna-tachi similar to Watashi no Tadashi Oniichan
35%Match
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100-manen no Onna-tachi(100万円の女たち)

2017Japan
Adapted From A MangaAge GapDeathDramaInvestigationMurderMysteryHaremHousemates' RelationshipNuditySexual ContentSuspenseThriller

Like Watashi no Tadashi Oniichan, this drama also features Adapted From A Manga, Age Gap, Death, Drama, Investigation, Murder, and Mystery themes with a 35% similarity match.

Michima Shin, a 30-year-old solitary and unappreciated writer, resides in a large residence by himself. Shin's father, a convicted murderer facing the death penalty, committed the crime of killing three individuals, including Shin's mother. Unexpectedly, five enigmatic women arrived at Shin's doorstep claiming to have been invited to dwell with him in return for a monthly rent of 1 million yen. They established guidelines for Shin, such as refraining from asking questions and entering the women's quarters. Over time, Shin grew accustomed to the presence of these women, until one day, an unforeseen event occurred, altering everything.

Recommendation: Kataomoi (2017) similar to Watashi no Tadashi Oniichan
35%Match
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Kataomoi (2017)(片想い)

2017Japan
DeathDramaInvestigationMiniseriesMurderMysteryPsychologicalNovel AdaptationBisexual Female LeadGender DysphoriaLGBTQ+SportsUnrequited Love

Like Watashi no Tadashi Oniichan, this drama also features Death, Drama, Investigation, Miniseries, Murder, Mystery, and Psychological themes with a 35% similarity match.

Sports journalist Nishiwaki Tetsuro, who is in an unhappy marriage with former football club manager Risako, reunites with his old teammates during a gathering

Recommendation: Nozokiya similar to Watashi no Tadashi Oniichan
33%Match
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Nozokiya(のぞき屋)

2007Japan
Adapted From A MangaDramaInvestigationMysteryPsychologicalPeeping

Like Watashi no Tadashi Oniichan, this drama also features Adapted From A Manga, Drama, Investigation, Mystery, and Psychological themes with a 33% similarity match.

Based on the manga "Nozokiya" created by Yamamoto Hideo.

Recommendation: Kanojo no Ura Sekai: Toshiro Side similar to Watashi no Tadashi Oniichan
33%Match
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Kanojo no Ura Sekai: Toshiro Side(彼女のウラ世界<TOSHIRO SIDE>)

2021Japan
DramaInvestigationMiniseriesMysteryRomanceNovel Adaptation

Like Watashi no Tadashi Oniichan, this drama also features Drama, Investigation, Miniseries, Mystery, and Romance themes with a 33% similarity match.

Toshiro pops the question to his girlfriend Akiko after dating for three years

Recommendation: Tokumei Kakarichou Tadano Hitoshi Season 3 similar to Watashi no Tadashi Oniichan
33%Match
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Tokumei Kakarichou Tadano Hitoshi Season 3(特命係長 只野仁(第3期))

2007Japan
Adapted From A MangaDramaInvestigationMiniseriesMysteryAdvertising Agency Setting

Like Watashi no Tadashi Oniichan, this drama also features Adapted From A Manga, Drama, Investigation, Miniseries, and Mystery themes with a 33% similarity match.

Once more, Hitoshi, an unremarkable and inept individual in his professional life, transforms into a charming, attractive, and intelligent hero to combat societal corruption!

Recommendation: Remote similar to Watashi no Tadashi Oniichan
33%Match
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Remote(リモート)

2002Japan
Adapted From A MangaDeathInvestigationMiniseriesMurderMysteryDetective FictionInvestigator Male LeadPolice Officer Female LeadPolice Procedural

Like Watashi no Tadashi Oniichan, this drama also features Adapted From A Manga, Death, Investigation, Miniseries, Murder, and Mystery themes with a 33% similarity match.

Detective Kozaburo Himuro is confined to his home due to a secret he is hiding, but still manages to fulfill his police duties. With the help of traffic cop Kurumi Ayaki, who acts as his eyes and ears outside, they investigate crime scenes together using mobile phones. Despite facing dangerous murder mysteries, particularly Kurumi, they work together to solve cases. Can Kurumi keep up with Detective Himuro's pace in criminal investigation? (Dramawiki)

Recommendation: Sasori (2004) similar to Watashi no Tadashi Oniichan
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Sasori (2004)(さそり)

2004Japan
Adapted From A MangaDeathDramaInvestigationMiniseriesMurderMysteryActionAdventureDeath Of A PartnerPrison EscapeRevengeTattooWrongfully Accused

Like Watashi no Tadashi Oniichan, this drama also features Adapted From A Manga, Death, Drama, Investigation, Miniseries, Murder, and Mystery themes with a 33% similarity match.

Upon turning 18, Nami sees her parents being violently killed by a man with a burn mark on his hand. Wrongly blamed for the crime, she is incarcerated. Determined to seek revenge, Nami fights against corrupt authorities and harsh prisoners to break free from prison. She then navigates the dark side of Japanese society in pursuit of the man with the burn mark on his hand, striking down anyone who stands in her path.

Recommendation: Tokumei Kakarichou Tadano Hitoshi Season 2 similar to Watashi no Tadashi Oniichan
33%Match
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Tokumei Kakarichou Tadano Hitoshi Season 2(特命係長 只野仁(第2期))

2005Japan
Adapted From A MangaDramaInvestigationMiniseriesMysteryAdvertising Agency Setting

Like Watashi no Tadashi Oniichan, this drama also features Adapted From A Manga, Drama, Investigation, Miniseries, and Mystery themes with a 33% similarity match.

Once more, Hitoshi, an unremarkable and inept individual in his professional life, transforms into a charismatic, attractive, and intelligent hero to combat societal corruption! Expect increased action, romance, and intense situations for the two-sided Hitoshi and viewers alike! (DramaWiki)

Recommendation: Iryu Sosa Season 2 similar to Watashi no Tadashi Oniichan
33%Match
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Iryu Sosa Season 2(遺留捜査 第2シーズン)

2012Japan
DeathDramaInvestigationMiniseriesMurderMysteryDetective FictionDetective Male LeadDetective Supporting CharacterEccentric Male Lead

Like Watashi no Tadashi Oniichan, this drama also features Death, Drama, Investigation, Miniseries, Murder, and Mystery themes with a 33% similarity match.

After being reassigned from the Metropolitan Police Department First Investigation, Satoshi Itomura finds himself working at the Tsukishima Police Station. A shocking incident unfolds in the typically tranquil Tsukishima District when Megumi Kagami, a colleague at the station, is abducted. The situation escalates when Megumi's father, Kyo Kagami, receives a threatening phone call regarding his daughter's safety. Concerned for Megumi's well-being, Satoshi rushes to Kyo's home to offer his assistance. The kidnapper sends a distressing video showing Megumi unconscious, putting her at risk due to a recent kidney transplant. As the investigation unfolds, Chief Detective Kyoko Mizusawa and Yuji Sakuma take charge while Satoshi delves into a mysterious article discovered at the crime scene. Despite facing resistance from Detective Masayoshi Machida, Satoshi enlists the help of Shigeru Muraki to analyze the item. The analysis reveals a connection to a past case involving Kyo Kagami, prompting Satoshi to suspect a link between the current kidnapping and events from five years ago.

Recommendation: Doubletone - Futari no Yumi similar to Watashi no Tadashi Oniichan
33%Match
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Doubletone - Futari no Yumi( ダブルトーン~2人のユミ~ )

2013Japan
DramaInvestigationMiniseriesMysteryRomanceNovel Adaptation

Like Watashi no Tadashi Oniichan, this drama also features Drama, Investigation, Miniseries, Mystery, and Romance themes with a 33% similarity match.

In the novel "Daburuton" by Shinji Kajio, the story revolves around the unique friendship and conflicts between two individuals named Yumi, which surpasses all boundaries. Yumi Nakano, a successful career woman, and Yumi Tamura, a dedicated housewife, find themselves witnessing each other's daily lives in their dreams every night. As their memories and current realities start to intertwine, a series of unexpected events unfold. Adding to the complexity, Yumi Tamura's husband, Yohei Tamura, becomes romantically involved with both women named Yumi.

Recommendation: Iryu Sosa Season 3 similar to Watashi no Tadashi Oniichan
33%Match
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Iryu Sosa Season 3(遺留捜査 第3シーズン)

2013Japan
DeathDramaInvestigationMiniseriesMurderMysteryDetective FictionDetective Male LeadDetective Supporting CharacterEccentric Male Lead

Like Watashi no Tadashi Oniichan, this drama also features Death, Drama, Investigation, Miniseries, Murder, and Mystery themes with a 33% similarity match.

Detective Satoshi Itomura has a tendency to work at his own speed, but his sharp eye for detail and unwavering resolve to solve cases make up for it

Recommendation: Bokura wa Minna Shindeiru similar to Watashi no Tadashi Oniichan
33%Match
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Bokura wa Minna Shindeiru(僕らはみんな死んでいる♪)

2014Japan
Adapted From A MangaDramaMiniseriesPsychologicalRomanceSupernatural

Like Watashi no Tadashi Oniichan, this drama also features Adapted From A Manga, Drama, Miniseries, Psychological, and Romance themes with a 33% similarity match.

Following their deaths, a collection of individuals discover that they are now involved in the "Love Game," where they have the opportunity to begin their lives anew.

Recommendation: Aishite tatte, Himitsu wa Aru similar to Watashi no Tadashi Oniichan
33%Match
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Aishite tatte, Himitsu wa Aru(愛してたって、秘密はある。)

2017Japan
DeathDramaInvestigationMurderMysteryRomanceViolenceDifficult AdulthoodDomestic ViolenceLawLawyer Male LeadSuspenseThrillerTrauma

Like Watashi no Tadashi Oniichan, this drama also features Death, Drama, Investigation, Murder, Mystery, Romance, and Violence themes with a 33% similarity match.

Legal intern Okumori Rei is about to tie the knot when he is confronted by an individual from his past, revealing a long-held secret. Eight years earlier, as a high school student, Rei was forced to take drastic measures to protect his mother Akiko from an abusive situation by staging his father Kosuke's disappearance. This act created a bond of secrecy between Rei and his mother, shaping his cautious and solitary lifestyle as he pursued a career in law. Everything changes when he meets Tachibana Saya at law school, bringing light into his shadowed existence and leading to a blossoming romance. However, as Rei's wedding to Saya approaches, he starts receiving threatening messages from someone privy to his dark past.

Recommendation: Iryu Sosa Season 4 similar to Watashi no Tadashi Oniichan
33%Match
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Iryu Sosa Season 4(遺留捜査 第4シーズン)

2017Japan
DeathDramaInvestigationMiniseriesMurderMysteryDetective FictionDetective Male LeadDetective Supporting CharacterEccentric Male Lead

Like Watashi no Tadashi Oniichan, this drama also features Death, Drama, Investigation, Miniseries, Murder, and Mystery themes with a 33% similarity match.

Itomura Satoshi has returned, this time in Kyoto with a fresh team. He has joined the 1st Investigation Division of the Kyoto Prefectural Police Station, where they handle the most challenging cases.

Recommendation: Iryu Sosa Season 5 similar to Watashi no Tadashi Oniichan
33%Match
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Iryu Sosa Season 5(遺留捜査 第5シーズン)

2018Japan
DeathDramaInvestigationMiniseriesMurderMysteryDetective FictionDetective Male LeadDetective Supporting CharacterEccentric Male Lead

Like Watashi no Tadashi Oniichan, this drama also features Death, Drama, Investigation, Miniseries, Murder, and Mystery themes with a 33% similarity match.

Nagatsu Ryoko, an employee of the Agency for Cultural Affairs, was discovered deceased in the mountains. A month prior, she had come across a Buddha statue at a shrine in the mountains. While initial reports suggested her death was accidental, investigator Itomura Satoshi believes there is more to the circumstances surrounding her demise.

Recommendation: Watashi Danna o Shea Shiteta similar to Watashi no Tadashi Oniichan
33%Match
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Watashi Danna o Shea Shiteta(わたし旦那をシェアしてた)

2019Japan
DeathDramaInvestigationMiniseriesMysteryPsychologicalRomanceActionFamilyFamily SecretFriendshipInfidelitySuspenseThriller

Like Watashi no Tadashi Oniichan, this drama also features Death, Drama, Investigation, Miniseries, Mystery, Psychological, and Romance themes with a 33% similarity match.

Harumi Morishita cohabitates with her partner, Kyohei Amaya, without having officially legalized their union. When she receives a call from the authorities informing her of Kyohei's passing, she rushes to the hospital where he was taken. At the hospital, Harumi encounters Kanako Ogura and Akane Fujimiya, both of whom claim to be married to Kyohei despite not having registered their marriages, much like Harumi. Kyohei left behind a will that leads Harumi, Kanako, and Akane to a shared residence for single mothers, stating that he will bequeath 300 million yen to the sole wife he loved.

Recommendation: "Watashi wo Moratte": Deai Hen similar to Watashi no Tadashi Oniichan
33%Match
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"Watashi wo Moratte": Deai Hen(「私をもらって」~出逢編~)

2025Japan
DramaInvestigationMiniseriesMysteryRomanceSupernatural

Like Watashi no Tadashi Oniichan, this drama also features Drama, Investigation, Miniseries, Mystery, and Romance themes with a 33% similarity match.

After a tragic accident, Morikawa Natsumi finds herself invisible and unable to communicate with anyone, leading her to roam the streets as a ghost. Her life takes a surprising turn when she locks eyes with Ichijo Ryouei, a young man who is also a ghost drifting aimlessly through the city. This story serves as a precursor to the "Memory Arc" and "Love Arc", showcasing the special moments Natsumi and Ryouei shared following their initial encounter in the afterlife, all while being pursued relentlessly by the Grim Reaper. It is an original tale not featured in the webtoon "Take Me, I'm Yours" by RoseBean and One Punch Rabbit.

Recommendation: Late Night Hospital similar to Watashi no Tadashi Oniichan
33%Match
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Late Night Hospital(심야병원)

2011South Korea
DeathInvestigationMiniseriesMurderMysteryMedical

Like Watashi no Tadashi Oniichan, this drama also features Death, Investigation, Miniseries, Murder, and Mystery themes with a 33% similarity match.

Heo Joon (Yoon Tae Young) works as a physician. His spouse was murdered by an unknown assailant right before his eyes. Following the tragic incident, he resigned from his position at a university hospital and is on a quest to find his wife’s murderer. To aid in his pursuit, he establishes a clandestine clinic that operates at night. Hong Na Kyung (Ryu Hyun Kyung) serves as a surgeon at Heo Joon’s clinic. [koreandrama.org]