Volume 26

(斉木楠雄のΨ後 Saiki Kusuo no Saigo) is the 26th and final volume of the Saiki Kusuo no Psi-nan, also known as The Disastrous Life of Saiki K., manga series.

Character Comment
Saiki Kusuo: See you later.

Chapters
Note: Chapters with the label have NOT been adapted into the anime series.
 * Chapter 273
 * Chapter 274Psi icon.png
 * Chapter 275
 * Chapter 276
 * Chapter 277
 * Chapter 278
 * Chapter 279
 * Epilogue Chapter 1Psi icon.png
 * Epilogue Chapter 2Psi icon.png

Summary
Kusuo decides to go to Oshimai with his usual friends during spring break. However, there is Mt. Owari which, with its eruption, can cause the end of Japan! Can Kusuo really stop the eruption so that time can advance to the future?

Character Profiles

 * None

Author’s Comment
TBA

Trivia

 * This is the first and only volume, excluding Volume 0, to not have a conversation in the cover.
 * If not counting Volume 0, this volume, along with Volume 1, has the least number of chapters with 9
 * This volume has the most bought copies