KADOKAWA to Launch Fuyumi Ono's Horror Masterpiece 'Ghost Hunt' Series and 14 Other Works as E-books Starting June 16, 2026

KADOKAWA Corporation (Headquarters: Chiyoda-ku, Tokyo; Director, Representative Executive Officer, President & CEO: Takeshi Konno) will begin distributing e-book versions of all 14 of Fuyumi Ono's series published by KADOKAWA, along with one combined edition, starting Tuesday, June 16, 2026.

The 'Ghost Hunt' series is a seminal school horror work often regarded as Fuyumi Ono's origin point, having gained popularity through anime adaptations and comic versions. From 2010, the series was completely revised and released as seven hardcover volumes. It was later published in the Kadokawa Bunko paperback format.

The 'Karyuaya Kaitan' series includes three bunko volumes and a hardcover titled 'Itsushi,' and is currently serialized in 'Kai to Yu,' an entertainment magazine for ghost enthusiasts.

In addition to these popular series, KADOKAWA will release 14 titles in total as e-books, including the ghost story collection 'Hyakumonogatari: Kitan Hyakkei' depicting subtle darkness in everyday life, the early horror masterpiece and pioneer of 'house horror' 'Home, Green Home,' and the poignant yet terrifying 'Seventeen Springs Past,' along with a combined edition of all seven volumes of the 'Ghost Hunt' series.

Fuyumi Ono's works have never before been released in e-book format, making this the first-ever digital distribution. Take this opportunity to enjoy the terrifying masterpieces of Fuyumi Ono.

Release Overview

● Titles to be distributed:

'Ghost Hunt' series (all 7 volumes) and the combined edition

'Karyuaya Kaitan'

'Karyuaya Kaitan: Sono Ni'

'Karyuaya Kaitan: Sono San'

'Karyuaya Kaitan: Sono Shi'

'Hyakumonogatari: Kitan Hyakkei'

'Home, Green Home'

'Seventeen Springs Past'

● Release Date: Tuesday, June 16, 2026

● Distribution: Available at major e-book retailers

Content Descriptions

'Ghost Hunt' Series (All 7 Volumes & Combined Edition)

A landmark school horror mystery series often considered Fuyumi Ono's origin, beloved through anime and manga adaptations. The seven volumes, revised and released as hardcovers and later in bunko format, are now finally available as e-books—alongside a combined edition perfect for binge-reading.

High school student Mai and Naru, the arrogant young director of Shibuya Psychic Research (SPR), confront hauntings in old school buildings, poltergeists, and the mystery of a blood-stained Western mansion, alongside a cast of unique spiritualists.

【List of Titles Available】

● KADOKAWA Official 'Ghost Hunt' Series Page >>

● BOOK☆WALKER Sales Page

'Ghost Hunt 1: School Ghost Stories'

'Ghost Hunt 2: The Doll's Cage'

'Ghost Hunt 3: Maiden's Prayer'

'Ghost Hunt 4: Dead Spirit Game'

'Ghost Hunt 5: Labyrinth of Blood'

'Ghost Hunt 6: The Thing from the Sea'

'Ghost Hunt 7: Open the Door'

'Ghost Hunt' Series [Combined Edition: All 7 Volumes]

'Karyuaya Kaitan' Series

A repairman who listens to the voices of the dead and mends what's broken—a soulful tale touching on human connections.

A sliding door that won't stay closed, a presence in the attic, a black-clad woman standing in a dead-end alley... To resolve supernatural phenomena tied to buildings, repairman Obata reflects on the deceased's emotions, vividly capturing the feelings dwelling within homes. A pinnacle of ghost story literature and the ultimate architectural horror entertainment, masterfully portraying both terror and nostalgia.

【List of Titles Available】

● KADOKAWA Official 'Karyuaya Kaitan' Series Page >>

● BOOK☆WALKER Sales Page

'Karyuaya Kaitan'

'Karyuaya Kaitan: Sono Ni'

'Karyuaya Kaitan: Sono San'

'Karyuaya Kaitan: Sono Shi'

※ 'Sono Shi' is the e-book version of the previously published hardcover edition.

'Hyakumonogatari: Kitan Hyakkei'

Ghost stories tied to school urban legends, unnatural sounds heard in apartment rooms, a white figure seen in an abandoned hospital rumored to appear at midnight, a cursed white canvas that reappears in the art room no matter how many times it's removed... This is Fuyumi Ono's first attempt at a 'hyakumonogatari' (100 tales).

KADOKAWA Official Catalog Page >>

BOOK☆WALKER Sales Page >>

'Home, Green Home'

The moment he turned into the alley, he felt an intensely unpleasant sensation. In an otherwise unremarkable section of a bookstore district stood a green door at the end of a narrow alley—Heights Green Home. After his father's remarriage, high school student Hiroshi Arakawa began living alone. Apartment No. 9, Heights Green Home—was famously known in the neighborhood as a haunted apartment.

KADOKAWA Official Catalog Page >>

BOOK☆WALKER Sales Page >>

'Seventeen Springs Past'

The fated spring is coming. Cousins Naoki and Takashi are about to celebrate their seventeenth birthdays. As every year, Naoki and his sister Noriko visit the house in Hananoyu, where Takashi lives. Despite the idyllic setting, kind-hearted Takashi's eyes are clouded, and he treats his mother, Miki, with unexplained coldness. What happened between mother and son? 'That woman is coming to get me...'

The tragic curtain rises for the two boys, Naoki and Takashi!!

KADOKAWA Official Catalog Page >>

BOOK☆WALKER Sales Page >>

Fuyumi Ono Horror Works Special Site

For detailed information and the latest news on each title, please visit the special sites below.

'Ghost Hunt' Series Special Site >> 'Karyuaya Kaitan' Series Special Site >>

Author Biography

Fuyumi Ono (born December 24 in Nakatsu City, Oita Prefecture)

Member of the Kyoto University Mystery Fiction Research Society, where she studied novel writing. Made her debut as an author in 1988. Gained popularity with the 'Evil Spirits' series. Following 'Child of Darkness' (1991), she published 'Shadow of the Moon, Sea of Shadows' in 1992, launching the 'Twelve Kingdoms' series. Works written in parallel with 'Twelve Kingdoms,' including 'Tokyo Oddities,' 'Shiki,' and 'Black Shrine Island,' received high acclaim as legend, horror, and mystery genres respectively.

The 'Evil Spirits' series was extensively rewritten and published as 'Ghost Hunt' in hardcover between 2010–2011 (all seven volumes later released in bunko format in 2021). In 2012, she published two interconnected works: 'Hyakumonogatari: Kitan Hyakkei' and 'Zankai.' 'Zankai' won the 26th Yamamoto Shichihei Prize in 2013. In 2019, 'Hakugin no Kyo, Gen no Tsuki: Twelve Kingdoms' (4 volumes) was published to great acclaim. In 2020, the 'Twelve Kingdoms' series received the 5th Yoshikawa Eiji Bunko Award.