Izuki Kogyoku (Japanese: 紅玉いづき, Kōgyoku Izuki, born 1984) is a Japanese author from Ishikawa Prefecture, in the Chūbu region of Japan.
Horned Owl and King of the Night was the Grand Prize winner in the thirteenth Dengeki Novel Prize held by ASCII Media Works (formerly MediaWorks) in 2006.
Horned owl and King of the Night (Japanese: ミミズクと夜の王)（Illustrated by:Japanese: 磯野宏夫）
MAMA (MAMA)（Illustrated by:Japanese: カラス）
Snow mantis (Japanese: 雪蟷螂)（Illustrated by:Japanese: 岩城拓郎）
Garden Lost (ガーデン・ロスト)（Illustrated by:Japanese: 上条衿）
Spit reviled Of The princess and The Star stone (毒吐姫と星の石)（Illustrated by:Japanese: 磯野宏夫）
Welcome to the Castle Hotel (ようこそ、古城ホテルへ)（Illustrated by:Japanese: 村松加奈子）
Fragile Dreams: Farewell Ruins of the Moon (FRAGILE 〜さよなら月の廃墟〜)（Short story in the game — Rainbow bell (七色クロシェット)）
Final Fantasy: The 4 Heroes of Light (光の4戦士 -ファイナルファンタジー外伝-)
Birdcage Miko and Knights of the Holy Sword (鳥籠巫女と聖剣の騎士)
Youth divorce (青春離婚)（Illustrated by:HERO）
