(English) Since Yoojin was young, he’s been easily scared. So he was jealous of the brave children around him. Only later did he realize that he also had a brave little fairy inside him. When he makes a picture book, he fears and worries a lot. Then he summons his brave little fairy from inside.

The books he wrote and illustrated are: The Same; Fun Ways to Eat; Detectives Who Draw; Abandoned Dog Youngnam; Dad Goes to the Swimming Pool; The Little Inventor Jangryul; and What Am I Good At?

(Japanese) 大人になってから水泳を習いました。体で習うことに遅い方です。絵本も大人になってから出会いました。やはり誰よりもゆっくり習っていっています。書いた本では『同じです』『面白く食べる方法』『ドローイング探偵団　–　図書館本泥棒を捕まれ!』『組み立て王ジャンリョル』『我が家に宇宙人がいます』『捨て犬ヨンナン』などがあります。