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The Attorney Is The Devil

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.

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.

In a gripping tale of suspense, a young attorney who survived the brutal murder of his family three decades ago comes face to face with a convict on death row. Asari Yusuke, the attorney, is tasked with seeking a retrial for the convict, Yanase Kozo, who was responsible for the deaths of Yusuke's parents and grandfather. Through the course of investigating the case, Yusuke uncovers a series of shocking revelations that are connected to him personally, prompting him to question his own identity. Balancing his professional duty with his personal emotions, Yusuke embarks on a journey of self-discovery, grappling with difficult decisions and challenging emotions. The story delves into themes of love, loss, and honor, ultimately posing the question of what truly defines a person's identity.

Michinari Shiga is employed as an assistant editor at the weekly publication Shukan Jiryu, which has experienced an increase in sales thanks to its coverage of various scandals. He leads a life dedicated to journalism ethics, until his own son, who is in university, commits a double murder before taking his own life. Now, instead of uncovering scandals, Shiga is thrust into the midst of one. Facing pressure from his colleagues, he is demoted to a monthly magazine and his marriage begins to deteriorate rapidly. Despite his challenging circumstances, Shiga is resolute in his mission to uncover the truth surrounding his son's actions.

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.

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.

Toru, a young part-time worker uninterested in social issues, is unexpectedly chosen as a juror in the trial of a woman accused of murder in a case involving a large inheritance. Despite overwhelming evidence pointing to her guilt, the jurors begin to vote "not guilty" one by one. A mysterious organization lurks in the background, manipulating the jury’s decisions. Meanwhile, strange occurrences start to unfold around Toru. When a fellow juror is threatened, Toru takes it upon himself to protect her. However, his girlfriend, a journalist, starts to question their relationship. Toru embarks on a solitary quest to uncover the truth.

Kaburagi Keiichi was taken into custody on suspicion of murder and given the death penalty. He managed to escape from prison during transport, but instead of fleeing, he helped the individuals he encountered in his hiding spot. As these individuals discovered Kaburagi's identity as a death row escapee, they questioned whether he was truly a killer.

Reiji Mikoshiba is known as an unbeatable attorney who will go to great lengths to secure a lenient sentence for his clients, regardless of the charges against them. Due to the questionable nature of his clientele, he is often ostracized for his unscrupulous tactics. When he volunteers to defend Mitsuko in a high-profile murder case, the odds seem stacked against her. Meanwhile, a body is found in a river in Saitama Prefecture, sparking an investigation by Inspector Watase. As Watase delves deeper, he uncovers a connection between the victim, a journalist, and Mikoshiba. It is revealed that Mikoshiba has a dark past as the true perpetrator of a heinous crime. The mystery deepens as Watase tries to uncover Mikoshiba's motives for becoming a lawyer despite his criminal history.

Tanuma Yuriko is a homemaker residing with her spouse Kazuo, their two kids, and mother-in-law Hatsue. When Saori, the spouse of Kazuo's friend Kusumoto Masafumi, is found murdered, Kazuo admits to having an affair with her. Yuriko suspects him of being responsible for Saori's death. Despite Kazuo's attempt to turn himself in to the authorities, Yuriko stops him, choosing to conceal his crime to maintain their family's tranquility. As Yuriko grapples with the situation, a newfound determination to protect her family emerges within her.

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.

As they entered their late thirties, Komoto Maya, Kagami Riko, and Sakaki Yurika realized they regretted marrying for the sake of happiness. They started to feel the limitations of their careers and questioned the direction of their lives. These three college classmates often went out for drinks together, sharing complaints about their husbands and releasing their pent-up frustrations. One fateful evening, Maya and Riko were summoned to Yurika's home, where she shockingly confessed, "I have killed my husband!" Subsequently, Maya's husband mysteriously disappeared, setting off a chain of events that would alter the destinies of these three women. Thus begins the tale of their vengeance as they strive to reclaim the happiness stolen from them by their marriages.

Toko Kisaragi, a fresh addition to the female detective team, recently joined the 11th Section of the 1st Investigation Division at the Tokyo Metropolitan Police Department, fulfilling her desire to follow in her father's footsteps. A murder case was reported on March 9, with the victim's body discovered encased in cement. The following day, the perpetrator, who goes by the name Toremi, boldly contacts the police department. Kisaragi is appointed as Toremi's point of contact, as he continues to disrupt the investigation by providing details about his crimes. Toremi eventually leads the police to another crime scene where another victim's body is found cemented.

In Kawasaki City in 2014, a series of murders targeting women occurs where the victims are found killed in a manner resembling hanging. These incidents are referred to as the "Hanging Murders" by the public. The police face challenges in their investigation as they lack any clues about the perpetrator. Detective Iguchi of the First Investigation Division suspects a man named Nogi Naoya of committing these crimes out of pleasure. Nogi goes to great lengths to conceal his true identity, covering his tracks in public and living in a secretive manner. Unbeknownst to many, Nogi is actually Yaginuma Masato, who was previously a victim in the well-known Akishima mother and son kidnapping case. His interactions with his neighbor Yoshika raise questions about his true intentions.

Detective Shibasaki Sachio's daughter, who was a member of the First Investigation Division, is tragically murdered. Together with Kawasumi Shigekatsu, a young detective who looks up to Shibasaki as a mentor, they try to uncover the truth behind the heinous crime. Despite their efforts, the case remains unsolved. Fast forward 15 years, Shibasaki is now retired and caring for his sick wife, Miwako. Things take a turn when a new unit is formed to reinvestigate cold cases, with Kawasumi joining the team. As they revisit the case, a suspect emerges, leading Shibasaki to seek justice on his own. A fateful phone call sets off a chain of events that ultimately lands him in a difficult situation. (jdramas.wordpress.com)

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.

Upon awakening in a mysterious building, seven individuals are informed via computer that a murderer is among them. They must determine the killer's identity to avoid being the next victim. Meanwhile, another group of seven is locked away in a separate location with a hidden killer of their own. The computer sets the rules for the game: correctly guess the killers in both groups to win 10 million yen and freedom. However, guessing incorrectly results in execution, being murdered before guessing leads to failure, and unforeseen events can halt the game. If the other group identifies the killers first, everyone will be killed. Can they uncover the killer in time and trust the information provided by the other group? Survival hinges on their ability to work together and solve the deadly mystery.

Attorney Sawara serves as a public defender who prioritizes seeking justice over financial gain. He fearlessly advocates for the vulnerable, putting their well-being above his own safety. Supporting Sawara and his daughter both financially and emotionally is Junko Tanaka, the younger sister of Sawara's late wife. Sawara's daughter, Tsuruko, is actively involved in an international volunteer medical organization and is engaged to Kengo Sato. Sawara collaborates with Kenji Tsuruoka & Hiroshi Tomita at his law firm. The plot thickens when a woman is accused of murdering her husband, a prominent figure in the construction industry. A mysterious woman intervenes, revealing connections to a powerful global figure. As secrets unfold, Sawara is compelled to defend the accused woman in this high-stakes case.

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.

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.

Revenge can be a risky driving force. Mozu, a professional killer, comes back to Japan posing as a spy from North Korea in order to seek vengeance. Kuraki Naotake, Osugi Ryota, and Akeboshi Misa join forces once more to probe into a political plot aimed at concealing a massacre at a hospital. The connection between the lethal assassin and this case remains a mystery.

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.

According to a report on News.yahoo.co.jp, a determined attorney's former partner passed away, leaving behind a puzzling will that gifts their entire wealth to the person responsible for their death.

Masaki Yuichi is employed as a detective at a legal office. Previously, he served as a personal assistant to a government official, but he struggled with his participation in an illicit fund and coped with the tragic loss of his daughter. His daughter's passing inflicted a profound emotional wound and remorse upon him, which he has yet to overcome. One day, a young woman named Mochizuki Maki seeks assistance from the law firm to locate her relatives. Maki was separated from her parents as a baby and was raised in an orphanage. Together, Yuichi and Maki travel to the town where she lived with her family in the past. They discover that the town had a history of a boy being abducted and killed. Could this incident be connected to the disappearance of Maki Mochizuki's family?

Yan Ting was wrongly accused of killing her husband Yuen Man San in Taiwan, leading to her imprisonment for five years. With her family in Hong Kong turning their backs on her, Yan Ting's son was taken care of by her close friend Wun Suk Lan. Due to her good behavior in prison, she was released early and returned to Hong Kong. There, she meets a compassionate lawyer named Lo Lei Ho and starts working at his law firm. Along with searching for her son, Yan Ting is also trying to mend her broken relationship with her family. Meanwhile, she believes she sees Man San in the bustling streets of Hong Kong, leading her to question his death. Man San, now married to Chiang Nga Yi, is attempting to gain approval from her father. Unexpectedly, Suk Lan returns to Hong Kong from America claiming to be Man San's wife as well. As more surprising events unfold, the true identity of Man San is revealed to the other characters, leading to a series of deaths in order to protect his secret.

Oda Naomi had dreams of working as a curator in an art gallery, but she currently holds a position at a department store where she caters to VIP clients. Despite her job, she is dissatisfied with her current situation. One day, her college friend, Hattori Kanako, pays her a visit at her apartment and reveals that she is being physically abused by her husband, Tatsuro, who is a high-ranking employee at a bank. Kanako is hesitant to leave her husband out of fear for her life, as he becomes violent when under stress. When Naomi spots a Chinese stowaway who bears a striking resemblance to Kanako's husband, she devises a plan to eliminate him. With Kanako's cooperation, they put their plan into action.

In 2008, there was a tragic incident involving the death of Sudo Isao, a dealer of pre-owned cars, in Shizuoka Prefecture. Detective Kusaka Satoru, working at Susuno Precinct of the Shizuoka Prefectural Police, begins investigating Sudo's background. Through his investigation, Kusaka discovers that Sudo had a son named Obata Mamoru from a previous marriage, who was tragically killed in a kidnapping case in Shizuoka back in 1974. In 1988, a special task force was established by the Shizuoka Prefectural Police, led by police chief Hashibami Yasuhide, just before the statute of limitations on the kidnapping case expired. Shigeto Seiichiro, a non-career officer who had risen to the position of superintendent, was appointed as the director of this task force, which consisted of six skilled detectives, to re-investigate the case. Kusaka is puzzled as to why Sudo, who had been living in Tokyo for over two decades following his son's death, was murdered in Shizuoka Prefecture. He believes that revisiting the kidnapping and murder of Sudo's son will bring clarity to the current case. Kusaka seeks help from Shigeto, who had left the police force long ago, and together they reach out to Mamoru's mother, Saeko, and her sister, Rie, as they get closer to uncovering the true culprit.

Following the passing of his wife, Shigeki has been raising his daughter, Ema, by himself

Matsuoka Chisa, a talented attorney at a prestigious law firm, is tasked with a retrial case by a senior partner. This case involves a man who was previously convicted for the kidnapping and murder of a young girl in Kagawa Prefecture two decades ago. Chisa, who was also a victim in other kidnapping cases around the same time, returns to her hometown after a decade to investigate the retrial case and the unsolved kidnappings. With the assistance of local lawyer Hiroki, she uncovers evidence suggesting that the three cases may be connected and confronts the suspect, Hirayama Satoshi. Despite Satoshi's claims of innocence, Chisa struggles with her beliefs and responsibilities as his lawyer, while also grappling with her own past. Meanwhile, ex-detective Arimori Yoshio, who remains convinced of Satoshi's guilt in the kidnappings, now works at a victim support center.

Cheung Sing Hei served time in prison after being convicted of killing his stepfather. Surprisingly, his cousin Tong Lap Yeen was the main witness in the case. After a decade behind bars, Sing Hei is released, only to find that Lap Yeen has become a prominent figure in the city, while his own reputation is tarnished. Feeling frustrated and suspicious about the events of ten years ago, Sing Hei is determined to uncover the truth behind his stepfather's murder. Through his own investigation, he identifies the true culprit, but struggles to find a motive or concrete evidence. This is a story of Sing Hei's quest to reveal the truth and clear his name.

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

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.

The series follows the story of the main character "Zegen" as he pursues vengeance following his wife's tragic death. Li Xue Lan arrives in Japan to seek employment to cover her husband's medical expenses back in China. With Zegen's help, she starts working at a massage parlor in Kawasaki. Worried about her situation due to her temporary visa, he suggests a fake marriage with an older man. Inspired by Jou Tomioka's novel.

Once, there existed a special mailbox where children could seek justice against abusive adults. The Neverland Devil would punish these wrongdoers upon receiving a letter from a child. However, after a certain incident, the Neverland Devil vanished without a trace. A decade later, a man named Soejima Rikiya, who used to be a mail carrier but now works at a hospice, receives a cryptic message hinting at the Neverland Devil's return. In response, Soejima decides to return to his former job at the post office. Meanwhile, a murder victim is discovered by the river, with a note in their mouth suggesting the Neverland Devil's resurgence. Soejima Rikiya finds himself entangled in the investigation of this serial killer known as the Neverland Devil.

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.

A string of mysterious disappearances took place in a tenement building in Edo Fukagawa. Despite Constable Izutsu Heishiro uncovering the details of the case, he was unable to solve it alone. As time passed and the case faded from memory, a woman named Aoi, closely linked to the case, was found murdered. It was revealed that her son, Sakichi, was the culprit. Determined to prove Sakichi's innocence, Izutsu and his nephew, Yuminosuke, set out to find the true perpetrator. Once again, the wealthy merchant Minatoya Soemon was implicated in the background. Will Izutsu succeed in identifying the real criminal?

In the neighborhood of Akabane in Tokyo, a senior citizen who resided alone has been discovered deceased. The elderly individual was found strangled. Investigators from the Akabane Police Station are looking into the incident. Residents living near the victim claim to have seen a woman entering and exiting the victim's residence on occasion. This woman is known as Yamamoto Miki, who provides household services for her clients. The detectives from the Akabane Police Station pay a visit to Yamamoto Miki's residence, where they are joined by detectives from Saitama Prefecture. Several suspicious deaths have occurred at the homes of her previous clients. The media begins reporting on the situation as a potential series of homicides. The mystery surrounding Yamamoto Miki and the truth behind these incidents become the focus of attention.

Kazuya Takano, a former surgeon turned lawyer, is known for his exceptional intelligence and logical reasoning skills. He is recruited by the Shidanzaka Law Office after the sudden passing of the firm's founder. The late founder's daughter, also a lawyer, enlists Kazuya's help in reviving the law office. Working alongside four other lawyers in room 1, they specialize in criminal cases. Each of the four lawyers comes from diverse backgrounds and possesses unique personalities. The team consists of the late founder's rookie daughter, a former NEET with an inferiority complex, a proud ex-judge, and a compassionate ex-detective.

Taking place three months after the conclusion of the initial season of "Justice in a Balance," the story unfolds following the mysterious disappearance of Takano Kazuya from the Shidanzaka Law Office. Despite Saeki Mei's attempts to reach out to Takano Kazuya, he remains elusive. During this period, the lawyers in room 1 are confronted with challenging cases, such as Kiryu Miyuki's pursuit of a retrial for a case in which she previously served as the judge and delivered a guilty verdict.

Sara Masaki, a detective in Investigation Team 1 at the Tokyo Metropolitan Police Department, faces the tragic loss of his colleague, Detective Saito Kota, during a murder investigation. Following this, Masaki is reassigned to Personnel Department 1 within the Inspection Division, still grappling with the death of his coworker. Despite his grief, Masaki encounters hostility from his coworkers. When a mysterious letter arrives at the personnel department accusing Detective Minaguchi Nako of leaking confidential information, Masaki launches his own investigation. This leads him to delve into the unresolved case of his colleague's death.

In the novel "Courage to be Disliked" by Fumitake Koga, we meet Ranko Ando, a skilled 32-year-old detective who has a successful track record of solving challenging cases. She is known for her independent nature and does not pay much attention to the opinions of others. On the other hand, her partner, detective Toshio Ooyama, values justice greatly and is more concerned about how he is perceived by others.

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.

Detective Kisaragi Toko works in Investigation 1 Section 11 of the Tokyo Metropolitan Police Department, under the supervision of Detective Hideaki Takano. Hideaki Takano is preparing to transfer to the Public Security Bureau in a week. Meanwhile, a murder occurs where a wealthy man is discovered dead in his residence with his throat slit and a blue flower inserted in the wound. The victim's wife, Mayumi, is also missing. A message from an individual claiming to be the killer, named Kurasuta 16, is sent to a newspaper, hinting at Mayumi's whereabouts. With the imminent transfer of Detective Hideaki Takano, Toko Kisaragi feels an increased sense of urgency and responsibility to solve the case.

Kozono Yohei, the secretary general of Shoto University, was discovered dead from stab wounds in his residence. Hoshino Naoto, a detective at Fujimi Police Station, hurries to the crime scene and observes the murder scene in the living room. Tanimura Kaho, a lecturer in the Department of International Studies at Shoto University, is determined to advance in life by any means necessary and has been involved in a romantic relationship with Kozono, who oversees personnel matters, for six months. Following Kozono's murder, Kaho is taken into custody as the prime suspect. Meanwhile, journalist Maruyama Sota receives details about the affair through an anonymous email and suspects that someone is trying to manipulate the narrative of the incident. He initiates his own inquiry. Amidst this, Hoshino grows uneasy with the investigative approach taken by senior police officials, who hastily conclude that Kaho is the perpetrator. He eventually comes to the realization that Kaho may have been set up by someone.

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

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.

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.

In 1986, Tsunojima Island was known for the Decagonal House, a peculiar mansion with a ten-sided shape. The brilliant architect behind the construction, Nakamura Seiji, met a mysterious death in the burned main building, Aoyashiki. Six months later, a group of seven students from the University Mystery Research Club arrived at the now deserted island of Tsunojima for a training retreat. At the same time, Kawaminami Takaaki, a former member of the club, received a letter from the supposedly deceased Nakamura Seiji on the mainland. As Takaaki delves into the investigation, he crosses paths with a man named Shimada Kiyoshi and they team up. Meanwhile, back at the Decagonal House, a member of the Mystery Research Club is found murdered. Suspicion runs high among the group as they question each other's motives... They are trapped on Tsunojima Island for a week with a shocking conclusion looming ahead.

Kiho, the daughter of a prominent company president, is romantically involved with a high-profile attorney named Ryuichi. Their plans for marriage are abruptly halted when law enforcement officers arrive to apprehend Ryuichi on suspicion of murder. Authorities believe that he was involved in a relationship with a woman from the historic district and resorted to violence when the situation became complicated. Despite the accusations, Ryuichi maintains his innocence. In an effort to clear his name, Kiho relocates to the old town and launches her own inquiry into the matter.