S1 · E1 — Episode 1
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After realizing that Hinata has the ability to identify serial killers, Isogai asks her for help in tracking down the serial killer who murdered his fiancée, Azusa Kawada. Three years earlier, Isogai had been planning to register their marriage with Azusa, but...
Now playingAfter an anonymous tip leads police to a serial killer responsible for the murders of three women, Officer Shiro Isogai becomes determined to uncover the identity of the mysterious informant who has quietly helped solve numerous violent crimes. His investigation points to Hinata Kuroi, a young woman known as the "Angel of Tissue Handouts," whose suspicious behavior and frequent disguises hint at a dangerous secret far beyond the rumors surrounding her.
After realizing that Hinata has the ability to identify serial killers, Isogai asks her for help in tracking down the serial killer who murdered his fiancée, Azusa Kawada. Three years earlier, Isogai had been planning to register their marriage with Azusa, but...
Isogai struggles to believe Hinata's claim that Lisa Washizu is a serial killer. However, after reviewing security footage from a party venue, he discovers that Lisa had been in contact with several women who later disappeared. The victims all shared one peculiar trait: they wore hair ties around their wrists.
Hinata discovers the criteria Lisa uses to select her victims. Determined to confirm her suspicions, Hinata decides to put herself in danger by acting as bait. Just as she anticipated, Lisa, consumed by a murderous obsession, takes Hinata to a mysterious location.
Multiple disturbing bloodstains are discovered inside an abandoned factory. Based on the evidence at the scene, Isogai suspects the involvement of a serial killer and secretly launches his own investigation alongside Hinata. Their investigation leads to the discovery of personal belongings belonging to Takuto Maruyama, who disappeared three months earlier.
When Isogai and Hinata regain consciousness, they find themselves chained by their wrists and trapped inside a dimly lit room. On the wall in front of them, the ominous words “HumaN HunT” appear. Suddenly, a nail gun fires, sending a nail piercing through Hinata's arm.
Isogai notices Hinata's older sister, Aki, among the photographs taken by an arrested peeping tom. His investigation reveals that Aki works at a hostess club on weekends. He also discovers that several other women who visited the same establishment have gone missing.
Hinata discovers that Nekota, a hairdresser, is a serial killer. She suspects that he has an unusual obsession with women's voices. However, she struggles to identify what the missing women, including her older sister Aki, might have in common when it comes to their voices...
Consumed by rage toward the person who murdered her sister Aki, Hinata sets out to exact her revenge. However, Isogai stops her at the last moment, and the two flee to escape the approaching police officers. Unable to carry out her revenge, Hinata spirals into despair and begins acting recklessly...
Makino shows Isogai an image of a bizarre art installation. The artwork incorporates the dress Azusa, his missing fiancée, was wearing on the day she disappeared. Isogai begins to suspect that a serial killer may have been involved in Azusa's disappearance...
Makino, disguised as HACHISU, lures Hinata into a trap but is shot by Kaede. Makino, Isogai's junior colleague, utters what sounds like a confession as he lies near death. Isogai is thrown into a state of shock and confusion by the terrifying possibility that Makino may be the serial killer he has spent years pursuing.
After touching Kaede, Hinata sees the number “25” emerge. She becomes convinced that Kaede is a horrifying serial killer. When Isogai hears her report, he sets out to uncover the hidden trigger behind Kaede's murderous impulses. He then decides to put himself forward as the killer's next target in a daring plan.