Horror Author Seikin's 'Terror' Spreads Further — 'Kinki Chiho no Aru Basho ni Tsuite' Exceeds 1 Million Copies & 'Kegareta Seichi Junrei ni Tsuite' Film Adaptation Project Underway!
KADOKAWA announced that horror author Seikin's debut work, 'Kinki Chiho no Aru Basho ni Tsuite,' has surpassed 1 million copies in cumulative sales (including e-books and translated editions), and a film adaptation project for the second work, 'Kegareta Seichi Junrei ni Tsuite,' is actively underway. This indicates the thriving horror content market and the success of their media mix strategy.
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- 📰 Published: May 2, 2026 at 01:00
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KADOKAWA Corporation (Location: Chiyoda-ku, Tokyo / Representative Director and President: Takeshi Natsuno) announces that horror author Seikin's debut work, 'Kinki Chiho no Aru Basho ni Tsuite,' has surpassed 1 million copies in cumulative sales (including e-books and translated editions) across the series. Additionally, a film adaptation project for the second work, 'Kegareta Seichi Junrei ni Tsuite,' is actively underway.
■ 'Kinki Chiho no Aru Basho ni Tsuite' Series Exceeds 1 Million Copies!
◆ What is 'Kinki Chiho no Aru Basho ni Tsuite'?
After being posted on the novel submission site 'Kakuyomu,' it garnered significant attention and was published as a book on August 30, 2023. It achieved immediate reprints after its release and won 1st place in the domestic category of 'Kono Horror ga Sugoi! 2024 Edition.'
In addition to a comic adaptation (Manga: Tsukasa Usui, Original Story: Seikin) and the release of a paperback edition, a live-action film adaptation was released in August 2025. As of April 2026, the series has surpassed 1 million cumulative copies (including e-books and translated editions).
◆ [Synopsis]
OZAWA, a friend who went missing.
He was an editor for an occult magazine, and before his disappearance, he was researching ghost stories related to a region called '●●●●●.'
Quotes from past magazine articles, strange experiences from readers, internet forum posts—
As we trace his footsteps and decipher the materials he collected, a connection emerges between what were previously treated as separate ghost stories.
■ 'Kegareta Seichi Junrei ni Tsuite' Film Adaptation Project Underway!
◆ What is 'Kegareta Seichi Junrei ni Tsuite'?
This is the second novel by horror author Seikin, the author of 'Kinki Chiho no Aru Basho ni Tsuite.'
After its release on September 3, 2024, it achieved immediate reprints and garnered significant attention. The first volume of the comic adaptation was released on August 22, 2025.
The film adaptation project was announced in the April issue of Monthly Comic Flapper, released on March 5, 2026.
◆ [Synopsis]
KOBAYASHI, a freelance editor, brought a fan book project for the spiritual spot-raiding YouTuber Chanike, also known as IKEDA of 'Occult Yankee ch,' to a publishing company.
However, the number of subscribers to 'Occult Yankee ch' was insufficient to pass the book publication project. To compete with the project content, they decided to conduct additional research on spiritual spots previously featured in videos.
IKEDA and KOBAYASHI fabricated theories that readers would enjoy, based on information gathered online and elsewhere.
-----------------------------------
(Excerpt from 'Occult Yankee ch' Fan Book)
'The Truth About the Pervert's Hut Revealed!'
This spot was originally famous for rumors that it was a place for perverts to store their collection of secretly filmed photos, but our additional research revealed that it was actually used for a completely different purpose. Furthermore, we discovered that a photograph shown in the video was taken just before a certain woman committed suicide. We will discuss the woman in this photograph in detail in the next section.
■ Bibliographic Information
■ Novel 'Kinki Chiho no Aru Basho ni Tsuite'
Author: Seikin
● Hardcover: Released August 30, 2023 Price: 1,430 yen (1,300 yen + tax)
Book page: https://www.kadokawa.co.jp/product/322304000496/
● Paperback: Released July 25, 2025 Price: 880 yen (800 yen + tax)
Book page: https://www.kadokawa.co.jp/product/322502000209/
■ Comic Adaptation 'Kinki Chiho no Aru Basho ni Tsuite'
Author: Tsukasa Usui Original Story: Seikin
● Volume 1: Released July 26, 2024 Price: 781 yen (710 yen + tax)
Volume 1 book page: https://www.kadokawa.co.jp/product/322403001167/
● Volume 2: Released July 26, 2025 Price: 836 yen (760 yen + tax)
Volume 2 book page: https://www.kadokawa.co.jp/product/322502001444/
● Volume 3: Released March 27, 2026 Price: 858 yen (780 yen + tax)
Volume 3 book page: https://www.kadokawa.co.jp/product/322512001385/
Read a sample here: https://comic-walker.com/detail/KC_000790_S/episodes/KC_0007900000100012_E?episodeType=comics
■ Novel 'Kegareta Seichi Junrei ni Tsuite'
Author: Seikin
Released September 3, 2024 Price: 1,430 yen (1,300 yen + tax)
Book page: https://www.kadokawa.co.jp/product/322404000598/
■ 'Kinki Chiho no Aru Basho ni Tsuite' Series Exceeds 1 Million Copies!
◆ What is 'Kinki Chiho no Aru Basho ni Tsuite'?
After being posted on the novel submission site 'Kakuyomu,' it garnered significant attention and was published as a book on August 30, 2023. It achieved immediate reprints after its release and won 1st place in the domestic category of 'Kono Horror ga Sugoi! 2024 Edition.'
In addition to a comic adaptation (Manga: Tsukasa Usui, Original Story: Seikin) and the release of a paperback edition, a live-action film adaptation was released in August 2025. As of April 2026, the series has surpassed 1 million cumulative copies (including e-books and translated editions).
◆ [Synopsis]
OZAWA, a friend who went missing.
He was an editor for an occult magazine, and before his disappearance, he was researching ghost stories related to a region called '●●●●●.'
Quotes from past magazine articles, strange experiences from readers, internet forum posts—
As we trace his footsteps and decipher the materials he collected, a connection emerges between what were previously treated as separate ghost stories.
■ 'Kegareta Seichi Junrei ni Tsuite' Film Adaptation Project Underway!
◆ What is 'Kegareta Seichi Junrei ni Tsuite'?
This is the second novel by horror author Seikin, the author of 'Kinki Chiho no Aru Basho ni Tsuite.'
After its release on September 3, 2024, it achieved immediate reprints and garnered significant attention. The first volume of the comic adaptation was released on August 22, 2025.
The film adaptation project was announced in the April issue of Monthly Comic Flapper, released on March 5, 2026.
◆ [Synopsis]
KOBAYASHI, a freelance editor, brought a fan book project for the spiritual spot-raiding YouTuber Chanike, also known as IKEDA of 'Occult Yankee ch,' to a publishing company.
However, the number of subscribers to 'Occult Yankee ch' was insufficient to pass the book publication project. To compete with the project content, they decided to conduct additional research on spiritual spots previously featured in videos.
IKEDA and KOBAYASHI fabricated theories that readers would enjoy, based on information gathered online and elsewhere.
-----------------------------------
(Excerpt from 'Occult Yankee ch' Fan Book)
'The Truth About the Pervert's Hut Revealed!'
This spot was originally famous for rumors that it was a place for perverts to store their collection of secretly filmed photos, but our additional research revealed that it was actually used for a completely different purpose. Furthermore, we discovered that a photograph shown in the video was taken just before a certain woman committed suicide. We will discuss the woman in this photograph in detail in the next section.
■ Bibliographic Information
■ Novel 'Kinki Chiho no Aru Basho ni Tsuite'
Author: Seikin
● Hardcover: Released August 30, 2023 Price: 1,430 yen (1,300 yen + tax)
Book page: https://www.kadokawa.co.jp/product/322304000496/
● Paperback: Released July 25, 2025 Price: 880 yen (800 yen + tax)
Book page: https://www.kadokawa.co.jp/product/322502000209/
■ Comic Adaptation 'Kinki Chiho no Aru Basho ni Tsuite'
Author: Tsukasa Usui Original Story: Seikin
● Volume 1: Released July 26, 2024 Price: 781 yen (710 yen + tax)
Volume 1 book page: https://www.kadokawa.co.jp/product/322403001167/
● Volume 2: Released July 26, 2025 Price: 836 yen (760 yen + tax)
Volume 2 book page: https://www.kadokawa.co.jp/product/322502001444/
● Volume 3: Released March 27, 2026 Price: 858 yen (780 yen + tax)
Volume 3 book page: https://www.kadokawa.co.jp/product/322512001385/
Read a sample here: https://comic-walker.com/detail/KC_000790_S/episodes/KC_0007900000100012_E?episodeType=comics
■ Novel 'Kegareta Seichi Junrei ni Tsuite'
Author: Seikin
Released September 3, 2024 Price: 1,430 yen (1,300 yen + tax)
Book page: https://www.kadokawa.co.jp/product/322404000598/