Nobody knows where the white seal came from or how old it is. The white seal can tell funny stories or use its magical powers to take its friends to a wonderful fantasy world. Hyun-joo is the white seal's best friend. The white seal lives inside an old sewing machine in Hyun-joo's room. Do you want to know how Hyun-joo and the white seal started living together? Come on! Let's embark on the exciting adventure story of Hyun-joo and the white seal together!