Ryōko Kui

is a Japanese manga artist. She is best known for her manga series Delicious in Dungeon (2014–2023), serialized in Enterbrain's seinen manga magazine Harta, as well as her work Terrarium in a Drawer, winning the Excellence Award in the Manga Division at the 17th Japan Media Arts Festival.

Biography Kui posted her early works on Pixiv and COMITIA before making her official debut as a manga artist in March 2011 with her short story collection . Prior to this, she published a webcomic on her personal blog named which ran from 2008–2012.

In 2013, Kui won the Excellence Award in the Manga Division at the 17th Japan Media Arts Festival for her work Terrarium in a Drawer.

An exhibition of Kui's works, including art from Delicious in Dungeon, The Dragon's School is on Top of the Mountain, Seven Little Sons of the Dragon, and Terrarium in a Drawer, debuted in Tokyo in 2024 and has since been displayed across Japan in Kyoto, Osaka, Fukuoka, and Kumamoto. In 2025 between October 10th to 26th the exhibit was displayed in New York at the Chelsea Walls art gallery. The exhibit featured original sketches and manga panels from her series, comments from Kui and her editors regarding the production process, and replications of the dishes made in Delicious in Dungeon.

Style Kui's style is noted for its portrayal of reality and fantasy with her unique point of view.

Prior to Delicious in Dungeon, Kui read The Neverending Story and The Lord of the Rings, as well as researching the rulebooks of Dungeons & Dragons after having seen it arise several times for her research prior to the manga's serialization. Kui is a noted fan of computer role-playing games, Baldur's Gate 3, Pathfinder: Kingmaker, Pathfinder: Wrath of the Righteous, and Planescape: Torment. As a child, she observed her father play Wizardry on the Famicom, as well as Dragon Quest, Ultima, and Fire Emblem.