Kim Lili majored in child welfare at Chung-Ang University and studied children's literature at the Graduate School of Gongju National University of Education. Kim has written children's books including She Has Smiled at Me; My Name Is Dog; We Are a Lovey-Dovey Couple; Rat Droppings Gift; A Toad Living in the Restroom; It's a Lie, Lie; Gift Set of Emotions; A Magic Red Charm. She is also the author of children's book series that include Manbok's Rice Cake Shop, Drizzle Story, and Gojaemi Story. A Confession is Kim's novel for young adults.