(English) So debuted as a writer after winning the Kim Yu-jeong New Literature Award. So writes science fiction, children's books, and young adult novels, including Antibody's Dilemma, Genre Fiction 4 of the Month, This Year's First Grade Class 3 Was Different, and Please Find a Home for This Narrow-Mouth Frog, a collection of works that won the National Ecological Institute's Ecological Children's Book  Contest. So was selected for the 2022 Korea Creative Content Agency's New Author Contest and published the full-length novel, The Painter Ghost's Stationery Shop.