Azumanga Daioh: Supplementary Materials by Kiyohiko Azuma — Completed
To celebrate the 10th anniversary of Azumanga Daioh, the manga is being repackaged into a new three-volume set, which will include three chapters of new material called Supplementary Materials. Each new chapter covers one year of high school, with all new adventures (!?) for Sakaki, Yomi, Tomo, Chiyo, Osaka, and Kagura.
- Chapter 1: 10th Grade released May 13 '09
- Chapter 2: 11th Grade released Jun 12 '09
- Chapter 3: 12th Grade released Jul 25 '09