, is an original Nippon TV suspense drama in which a detective on leave confronts a mysterious demon-mask-wearing armed group holding hostages at a large hospital. It aired from January 14, 2023, to March 18, 2023. The drama's protagonist is Arashi's Sho Sakurai.

A sequel centered on a hostage situation in an airport started airing in January 2024.

On May 17, 2025, a new installment of the "Captured" series was announced, with Sakurai returning as detective Musashi, and hinting at the possible return of Fuma Kikuchi as his character Koichi Yamato ("Blue Oni"), as the announcement poster shows Musashi holding the blue oni mask. This new installment, centered on a hostage situation at a broadcasting station, started airing in July 2025.

A new series, , started on October 5, 2024, unites in a crossover teams from Voice: 110 Emergency Control Room and Captured Hospital/Captured New Airport, with Gunpi reprising his role as Renji Shima in the first episode. In an interview, Gunpi hinted that "That person could also appear", referring to Sakurai's character.

Spinoffs of the "Captured" series, "The night before", "Run, Mouse, Run!" and "After the Broadcasting Station Occupation SEQUEL" aired on Hulu. Plot Yūko Musashi, a heart surgeon at Kaiseido Hospital, a general hospital in Kanagawa, is one of the hostages of the "Hyakki Yagyo" armed group who protect their identities wearing oni masks. She is currently separated from her husband, police detective Saburo Musashi. Detective Musashi was involved in a fatal case the year before, and is receiving psychological treatment for it. Other hostages include Kanagawa Governor, Michie Nagato, and Yui Inaba, a former reporter, currently a video streamer. who reveals the identity of a pair of the masked team on a live feed. Saburo, just released from his session, hears a faint tick tock behind a closed door. He gets caught in an explosion that throws him clear over to the other side of the hall. As he reports the incident to police superintendent Izumi, members of the crime group attack him with gun-wielding drones. He escapes, when he notices his wife among the taken. The occupant's leader starts streaming in their newly opened YouTube-like channel to increasing viewers.

Saburo goes to the police's Headquarters, where he starts a discussion with Blue Oni, the occupant's leader. To release the hostages, Saburo has to decipher riddles and clues given by Blue Oni. As he investigates to solve the riddles, Saburo uncovers truths about medical doctor Daisuke Tosa and other hostages. Saburo continues retrieving the information, but is late in relaying his findings to Blue Oni, which makes him angry. Blue Oni urges Saburo to find out Governor Nagato's "sins". Saburo and Yūko's daughter, Emiri, has left the hotel where she was under police protection, and goes missing. Her whereabouts have also links to the case.

As the story develops, so do the stories of the masked team, including Kiyoshi Hitachi (Gray Oni), a psychiatrist, and his daughter, Arisa (Peach Oni), and Minoru Sado, the hospital's Head of Surgery, who gets shot by the police's SIS sniper team, as he takes the place of Blue Oni at the entrance of the hospital, where Saburo has gone to negotiate.

Cast Cast information

Musashi Family

Saburo Musashi Played by Sho Sakurai Lieutenant in the Kanagawa Prefectural Police Department, detective First Investigative Division. His catch phrase is "You're lying." He is on leave from work due to the trauma during an event the year before, when he fired a gun at the criminal at a gas station, resulting in an explosion that claimed the criminal's life. Because of this, he becomes estranged from his wife Yūko and daughter Emiri. He is receiving psychological treatment at Kaiseido Hospital, when he encounters an armed group occupying the hospital and confronts them.

Yūko Musashi Played by Manami Higa Saburo's estranged wife. She is a heart surgeon at Kaiseido Hospital. During a heart surgery operation, becomes hostage in the occupation incident, but she negotiates with the armed group's leader, Blue Oni, to have her patient released.

Emiri Musashi Played by Honoka Yoshida Daughter of Saburo and Yūko. She is isolated in a hotel to ensure her safety during the hostage incident, but is revealed in social media as Musashi's daughter. Escaping from the hotel, she is abducted, but later rescued, due to Musashi's frantic pursuit and KSBC's audio analysis.

Kanagawa Prefectural Police Cast information

Sakura Izumi Played by Sonim Superintendent of the Kanagawa Prefectural Police, administrator of the Special Investigation Division (SIS) and commander of the Emergency Investigation Command Headquarters. Musashi's colleague from the police academy. Lost her husband three years before, protecting Governor Nagato, who was advised to proceed with research on infectious diseases in Japan, after a death at a ship anchored in Shin Yokohama due to a stealth virus.

Saki Suruga Played by Mayu Miyamoto Lieutenant in the Kanagawa Prefectural Police. Information analyst at the Investigation Support Analysis Center (KSBC). Involved in saving Musashi, by creating a loop of the surveillance images at the Yokohama Kita Police Station, where Musashi is being monitored in an interrogation room where a bomb has been planted. Considered a double agent, when the drama ends with a scene in which she deletes an e-mail that says Thank you Blue in a dimly lit room, takes off her glasses, and smiles. Returns in sequel as Beast "Snake".

Renji Shima Played by Gunpi (from the comedy duo Haru to Hikoki) Lieutenant in the Kanagawa Prefectural Police. Information analyst at KSBC. He receives a secret message from Musashi, who is wanted by Bizen for the murder of Director Harima, and provides him with information about Director Harima and a route back to the hospital.

Kazuki Tamba Played by Hiroyuki Hirayama Superintendent in the Kanagawa Prefectural Police. Administrator of the Security Department SAT (Special Forces). Suspected to be one of the informants between the police and the masked group. Appears in sequel as Beast "Tiger" (3rd episode).

Takeshi Bizen Played by Atsuro Watabe Chief of Kanagawa Prefectural Police Headquarters. Superintendent of Police. In order to hide his misdoings with Director Harima, he moves to the Yokohama Kita Police Station, where the bombing incident occurred, under the pretext of taking command, killing Harima with Musashi's gun. The whole story was made public on Hyakki Yagyo Channel, thanks to the wiretapping device planted by Blue Oni. He admitted that he shot and killed him, and was taken to Kanagawa Prefectural Police. At the request of Nagato, a colleague from his university days, he concealed the "P2 Plan" and the deaths of three people infected with the virus, Daiki Kaga, Sosuke Hinata, and Kotone Yamashiro, who died as a result of being involved in the plan, by disguising it as a traffic accident.

Kaiseido Hospital personnel Cast information

Sadaharu Harima Played by Kanji Tsuda Director. Faked an alibi posting a photo at a hotel rooftop restaurant on social media the day of Masami Kai's death. Musashi discovers that he had the same photo, but it was from a different day, since the Landmark Tower in the background was lit only during Golden Week. He admits that he did it to cover up the fact that Iwami killed Kai on his behalf. Ao Oni mentions that he will not be released because there are other hidden sins that need to be exposed. He is killed in the interrogation room of Yokohama Kita Police Station by Bizen, who uses Musashi's gun after knocking him unconscious.

Noboru Wakasa Played by Yu Inaba Surgeon. Yuko's colleague, assistant and partner. He is somewhat insecure and unreliable at times. He considers Yuko a role model, especially when it comes to confronting the armed group.

Minoru Sado Played by Masanobu Sakata Head of surgery. He tried to outwit the armed group and escape from the hospital alone, but he failed. He is made to take the place of Blue Oni, who predicted the attack by SAT at the time the hostages were released. After being shot in the shoulder, he went into hemorrhagic shock and became unconscious. He later undergoes emergency surgery by Yuko and survives.

Daisuke Tosa Played by Hideyuki Kasahara Pulmonologist. A popular celebrity doctor who has appeared on many TV shows. Falsified Akari's death certificate to cover up his crime involving a drug exchange party, in which Akari died of an overdose. He was exposed on Hyakki Yagyo Channel.

Kana Iwami Played by Eriko Nakamura Director's secretary. Had an affair with Harima. On behalf of Harima, she injected Masami with a muscle relaxant in an underground parking lot in Shin-Yokohama, killing her.

Ōsumi Shirō Played by Kazunari Uryuu Chief office manager. He is prepared to die when the armed group takes over the hospital, leaving a farewell letter to his son, who lives with his ex-wife. He is one of the few people who knows about the existence of the fourth basement floor.

Aki Shiori Played by Kumi Kureshiro Nurse. She suffers from ketoacidosis due to pancreatic disease and has been using insulin injections for the past six months. Masami helps her with her treatment. Investigating the cause of Masami's suspicious death, she becomes an informant for the armed group, steals Osumi's notebook, and takes the elevator to the fourth basement floor of the hospital, using the 11-digit password "Triceratops".

Kanagawa Prefecture

Michie Nagato Played by Mariko Tsutsui Prefectural governor. She finds herself in the hostage incident while inspecting the general ward of Kaiseido Hospital. Three years before, in the Premium Panakeia, docked at Shin-Yokohama Port, a virus contagion incident prompted the need to establish a research facility to deal with cases, but encountered strong opposition from residents, forcing the establishment of a secret research facility on the fourth basement floor of Kaiseido Hospital. In it, the "P2 Project" was used to study infectious diseases. Daiki Kaga, a researcher at the facility, was infected with the Hydra virus, the equivalent to a level 4 virus that killed 400,000 people in West Asia. Sosuke Hinata and Kotone Yamashiro were infected with the virus after coming into contact with him at Hotel Oshima. She sought help from Bizen, a classmate from his university days, making the deaths look as a traffic accident. When the full details of the "P2 Plan" are revealed by Musashi, she is injected by Blue Oni and released. Believing she had been injected with the Hydra virus, it was revealed that she had been injected with saline in order to encourage people to vote on social media.

Reporters

Yui Inaba Played by Rio Asumi A former newspaper reporter, currently video streamer with over 2.5 million subscribers. She received an email saying, "I want you to find out the truth about the hospital." As she enters the hospital; she witnesses the armed group infiltrate it, and reports from inside. She collaborates with Hyakki Yagyo Channel, resulting in being accused of not reporting justice but only thinking of how to gain more viewers.

Nanako Noto Played by Erina Masuda Staff of "Inabaur Channel", the streaming channel ot Yui Inaba.

Armed group An armed group masked with Oni masks, called Hyakki Yagyō, takes Kaiseido Hospital hostage.

Kōichi Yamato (Blue Oni) Played by Fuma Kikuchi (Sexy Zone) and Atsuki Yamada (as a child)