(English) Kim Hayeon studied contemporary literature at Jean Moulin Lyon 3 University in France. She began her writing career by publishing a serial children’s story in the children’s magazine, Gaettongi’s Playground. She enjoys mystery novels and superhero movies, and she uses her insignificant powers every day to write books that are more exciting than games and YouTube.

She wrote the books, I Hate Poo School! and Yeah! The Teacher Is Gone!, along with the Insignificant Psychics series and a teen novel, The House that Crossed Time.