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Fuyumi Ono (小野 不由美, Ono Fuyumi) is a Japanese novelist who is best known for writing the Twelve Kingdoms (十二国記, Jūni Kokuki) series, on which a popular anime is based. Her name after marriage is Fuyumi Uchida (内田不由美, Uchida Fuyumi) but she writes under her maiden name.


Ono was born in Nakatsu, Ōita, Kyūshū in 1960. She graduated from Ōtani University in Kyōto with a degree in Buddhist Studies. During college she was a member of Kyoto University’s mystery story club for readers and writers of the mystery genre. She made her publishing debut in 1988 and was employed by the publisher Kōdansha. Her debut story is titled Sleepless on Birthday Eve (バースデイ・イブは眠れない , Baasudei ibu ha Nemurenai). It was featured in Kodansha's teen-targeted X-Bunko Teens Heart series.

Ono is married to Naoyuki Uchida (内田直行, Uchida Naoyuki), a mystery novelist who writes under the pseudonym Yukito Ayatsuji (綾辻行人, Ayatsuji Yukito).

Before she started work on Twelve Kingdoms, Fuyumi Ono wrote The Demonic Child (魔性の子, Mashō no Ko), a horror novel about a boy from another world. She later worked certain events from this novel into the Twelve Kingdoms series. Short stories set in the various kingdoms include: nihongo, Kasho, 華胥, nihongo, Toei, 冬栄, nihongo, Shokan, 書簡, nihongo, Kizan, 帰山 and nihongo, Jogetsu, 乗月. In February, 2008, the first new Twelve Kingdoms short story, Hisho no Tori (丕緒の鳥) was published in Shinchosha's Yomyom magazine.[1]

According to an interview at the Anime News Network[2], she is "currently rewriting a girls’ horror series (she) wrote long ago." The interview with Ono revealed that she intends to revisit the Twelve Kingdoms in the future.[3]



  • Can't Sleep on Birthday Eve (バースデー・イブは眠れない) 1988 Kodansha
  • Mephisto and Waltz! (メフィストとワルツ!) 1988 Kodansha ISBN 978-4061902497, Continuation of Can't Sleep on Birthday Eve
  • Evil Spirits Aren't Scary (悪霊なんかこわくない) 1989 Kodansha ISBN 978-4061902572
  • Evil Spirit Series (悪霊シリーズ - Akuryō series) Kodansha
  • Charmed 17 year old (呪われた17歳) 1990 朝日ソノラマ
    • 17 Springs Passed (過ぎる十七の春 Sugiru Jūshichi no Haru)1995 Kodansha ISBN 978-4062552011, an adaptation of Charmed 17 year old
  • Green Home Spirits (グリーンホームの亡霊たち) 1990年朝日ソノラマ刊
    • Home, Green Home (緑の我が家 Home、Green Home) 1997 Kodansha ISBN 978-4062552943、an adaptation of Green Home Spirits
  • Demon's Child (魔性の子 Mashō no Ko) 1991 Shinchosha ISBN 4-10-124021-3 Loosely associated with the 12 Kingdom Series
  • Twelve Kingdoms Series (十二国記) Kodansha unless otherwise noted
  • London, 1888 (倫敦、1888) 10/1993 Logout
  • Strange Tōkei Tales (東亰異聞 - Tōkei Ibun) (runner up for the 1993 Japan Fantasy Novel Award) 1994 Shinchosha ISBN 978-4101240220
  • Ghost Hunt Series (ゴースト・ハントシリーズ)[4] A continuation of the Evil Spirit Series, but in a different setting
  • Shiki (屍鬼, literally Corpse Demon) 1998 Shinchosha ISBN 978-4103970026
  • Island of the Black Shrine (黒祠の島) 2001 Shodensha ISBN 978-4396331641
  • Kura no Kami (くらのかみ) 2003 Kodansha ISBN 978-4062705646
  • Ghost Stories Storybook (鬼談草紙) Serialized since June, 2000 in the magazine Yuu


  1. Yom Yom Official site
  2. Fuyumi Ono Interview, Anime News Network, 2007-03-18
  3. Interview with Fuyumi Ono
    "The last novel, so far, was released in 2001. Do you plan to revisit the world of The Twelve Kingdoms and write more stories for it?
    Yes, I do."
  4. "Ghost Hunt". (November 2006) Newtype USA. p. 19.

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