Thank you for your interest. This is a novel from the "The Irregular at Magic High School" series. It is a novel, a light novel. It is a series, but some volumes are missing. It is not a complete set. The Irregular at Magic High School Appendix Volume 1 The Irregular at Magic High School Volumes 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30 A total of 23 books. Volumes 1 and 9 to 30. Details: - The Irregular at Magic High School Volumes 9-30 - The Irregular at Magic High School Appendix Volume 1 only Please check the condition in the photos. Please note that it is not perfect. Thank you very much. Tsutomu Satou, Kana Ishida, Dengeki Bunko, Kadokawa