Ryoko Kui (九井谅子, Kui Ryōko) is a Japanese manga artist best known for creating the manga series Delicious in Dungeon.
In 2011, she debuted with a collection of one shots under the title "The Dragon's School Is on Top of the Mountain" (竜の学校は山の上, Ryū no Gakkō wa Yama no Ue).
In 2013 she published another collection of one shots in "Terrarium in Drawer" (ひきだしにテラリウム Hikidashi ni Terariumu).
Since 2014, she has been publishing Delicious in Dungeon in the monthly magazine Harta (ハルタ Haruta).
- 2013, "Terrarium in Drawer" received the Excellence Award in the Manga Division at the 17th Annual Japan Media Arts Festival.