**Warning: This article contains major spoilers for Human Vapor.**
Netflix’s Japanese sci-fi thriller Human Vapor follows detective Kenji Okamoto (Shun Oguri) and journalist Kyoko Kono (Yu Aoi) as they investigate a string of seemingly impossible murders committed by a man capable of transforming his body into gas.
Over the course of its eight episodes, however, the investigation uncovers a conspiracy involving powerful figures, corruption and a past that connects Kyoko directly to the mysterious Human Vapor.
Reimagining Toho’s 1960 film of the same name, the series answers its biggest mysteries in the final episodes, revealing who was truly behind the killings and how the Human Vapor came to exist.
Here’s everything you need to know about the ending of Human Vapor.
Human Vapor ending explained: Who is the Human Vapor?
Long before becoming known as the Human Vapor, Ren Tsutsumida was an ordinary man who spent much of his time at a small ramen shop called Bunko Ramen. It was there that he took in Kyoko Kono for several months after she escaped from the White Center as a child, an institution that supposedly sheltered vulnerable people. Kyoko had been sent there by her own mother, who rejected her.
Ren’s life changed forever after a meteorite crashed in Japan. He joined the environmental clean-up team tasked with disposing of the debris, an operation overseen by the White Center. Ren accepted the job after making a deal with Kyoko’s mother’s then-boyfriend, a man connected to both the Yakuza and the White Center. In exchange for the work, Ren would be allowed to continue raising Kyoko without her being forced to return to her mother.
During the operation, Ren carried explosives into the tunnel where the meteorite had landed. Being so close to the rock caused severe burns to spread across his body, while vapour began escaping from his skin. By the time the White Center detonated the meteorite, Ren had already left the tunnel, but the explosion’s smoke engulfed him and he vanished with it.
What was the White Center?
The White Center is at the heart of the series’ conspiracy. Although it appeared to be a charitable institution, it exploited vulnerable people through forced labour and illegal operations. The facility was controlled by members of the secret organisation Mufu, including Tokyo Governor Takeshi Miura, Fujishiro Consortium yakuza boss Saburo Otomo, and Tokyo Police Superintendent Mamoru Sakamoto.
The residents of the White Center who took part in the meteorite clean-up operation died after being exposed to the material. Rather than accepting responsibility, the organisation covered up the deaths and listed every victim as missing.
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Who was really behind the murders?
The season’s biggest twist comes when it’s revealed that Kyoko wasn’t investigating the murders simply as a journalist.
After reuniting with Ren more than 20 years later in the house where they once lived together, she realises he has completely lost the ability to act of his own free will and can barely be considered human.
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Ren spends most of his time frozen in a statue-like state, only awakening when his favourite song, Ellie My Love by Southern All Stars, begins to play. When he regains his human form, he asks the person in front of him to make a wish.
The phrase references a radio programme Ren used to listen to, where listeners would send letters requesting songs. Years earlier, Ren himself had written in requesting Ellie My Love.
After Kyoko tracks down Yasutoshi Mori, her mother’s former boyfriend and one of the men responsible for what happened to Ren, she makes a wish to the Human Vapor: that he kill Mori.
Although Ren physically carries out the murders, it is Kyoko who selects the targets and directs his actions. Her goal, however, is not simply to kill people. She wants to expose those responsible for the White Center and the Mufu organisation, using the Human Vapor as a weapon against the conspiracy that destroyed both their lives and the lives of countless others.
What happened to Kyoko and the Human Vapor?
In the finale, Kyoko tries to bring the cycle of violence to an end after Governor Miura manages to take control of the Human Vapor and orders him to kill her.
She lures Ren to JNT’s former headquarters, where she works as a reporter, and locks herself inside an underground vault with him, believing it is the only place where he can be contained and prevented from killing again.
As Ren surrounds her with his vapour form, the series flashes back to Kyoko’s childhood, including the moment she asks Ren to become her father forever.
When Kenji finally reaches the vault, a blinding flash of light fills the room. Once it fades, neither Ren nor Kyoko are anywhere to be found. All that remains are pieces of Kyoko’s clothing, one of her shoes and the ring Kenji had planned to give her, which she had found earlier.
One year later, a television reporter reveals that the police investigation concluded Ren and Kyoko intentionally disappeared together. Authorities eventually uncover the connection between the pair and discover they were both victims of the White Center, although many details of the conspiracy remain hidden from the public.
What does the ending mean?
Although the story appears to be over, the closing moments suggest the Human Vapor’s legacy is far from finished.
After visiting Kyoko’s empty grave, Kenji returns home and falls asleep on the sofa. A cloud of vapour quietly drifts into the house before slowly taking the shape of a statue inside his bedroom. The figure is unmistakably Kyoko.
The series never explicitly explains what happened inside the vault, but the final scene strongly suggests Kyoko inherited Ren’s abilities and became the new Human Vapor. The episode ends before Kenji sees the figure standing in his room, leaving his reaction unknown.
The closing scene also serves as a clear set-up for a potential second season, with Kyoko seemingly taking over the role once occupied by the Human Vapor.
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Human Vapor is streaming now on Netflix. You can sign up to Netflix from £5.99 a month. Netflix is also available on Sky TV and Virgin Media.
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