Kim, Dano made her debut in the children's story category of the 2017 Munhwa Ilbo Spring Literary Contest and received the grand prize at the 2019 1st Nadaum Children's Book submission contest. Kim's published works include Later Mom, The Secret Wish, and Hada and the Heaven's Door Pork Cutlet.
HONG, Grimm studied animation in university and has been illustrating ever since. Some of her illustrations can be found in The Pony and Me, Sleepless Nights, which she wrote and illustrated, as well as Yoyo the Baby Raccoon, Violin Ghost, A Master of Short Verse, and Nine Year Old, Hada.