is a Japanese horror children's novel series written by Norio Tsuruta and Midori Sato and illustrated by Yon. It began publication under Kadokawa Shoten's Kadokawa Tsubasa Bunko imprint in June 2015, with 28 volumes released as of May 2026. A manga adaptation illustrated by Niko Yūki was serialized in Media Factory's Monthly Comic Gene magazine from September 2021 to February 2022. An anime television series adaptation produced by Studio Palette is scheduled to premiere in October 2026.
Premise Fushigi Chino, a boy with an interest in Japanese urban legends, travels around the country to investigate them. He is searching for Himitsu, his twin sister who has the ability to manifest the supernatural. Traveling with Jimmy, a photographer who was turned into a dog, Fushigi aims to find Himitsu and find out the truth behind various supernatural phenomena taking place in Japan.
Characters
A boy who wears a red hood, who is interested in urban legends.
Fushigi's partner. He was a photographer who was turned into a dog following an incident, although he retains a human face.
Fushigi's twin sister, who wears a black hood. She has the ability to manifest the supernatural.
Media Novels The series is written by Norio Tsuruta, a film director known for his work in horror and has been described as the "Father of J-Horror", and Midori Sato, who is active as a screenwriter. The novels are illustrated by Yon. The first volume was published by Kadokawa Shoten under their Kadokawa Tsubasa Bunko imprint on June 15, 2015; 28 volumes have been released as of May 13, 2026. The series has also been released in English by Yen Press and in Korean.
Manga A manga adaptation illustrated by Niko Yūki was serialized in Media Factory's Monthly Comic Gene magazine from September 15, 2021, to February 15, 2022. The series' chapters were compiled into a single volume released on March 26, 2022. The manga adaptation is also licensed in English by Yen Press.
Stage play A stage play adaptation written and directed by Masafumi Hata was staged at the Sogestu Hall in Tokyo from May 13 to 21, 2023.
Anime An anime television series adaptation was announced on December 5, 2025. The series will be produced by Studio Palette and directed and written by Yuki Inaba, with Kaori Yoshikawa designing the characters and Masato Kōda composing the music. It is set to premiere on NHK General TV on October 10, 2026, and will run for 12 episodes. The opening theme song and the ending theme song are both performed by Shikao Suga. Crunchyroll will stream the series.
Reception By October 2025, the series had over 1 million copies in circulation.
References
External links Novel official website Anime official website