Fuyumi Ono's "The Twelve Kingdoms" series, a 4-volume set published in 2020. - Series Title: The Twelve Kingdoms - Author: Fuyumi Ono - Number of Volumes: 4-volume set - Publication Year: 2020 - ISBN: 978-4-08-748828-2 - ISBN: 978-4-08-748829-9 - ISBN: 978-4-08-748830-5 - ISBN: 978-4-08-748831-2 Thank you for viewing.