The author is a boy named Seojun Yoon. He was born on April 12th. He is in sixth grade of Yonsei elementary school. He lived in the United Kingdom for about five years. He loves to read fantasy books and book by Rick Riordan. He wants to enter Oxford University, so he’s doing his best. He has many hobbies such as cubing and skateboarding. He started writing his first book to see what it would be.