Attack on Titan manga receives an additional Volume - What is Isayama cooking?

Attack on Titan manga will have brand new content with an additional volume to the manga. Here's a guess what Isayama might be up to

ATTACK ON TITAN Hajime Isayama Manga Volume 1-34 Full Set English Comic EXPRESS

Attack on Titan, Volume 21 by Hajime Isayama, Paperback

Attack on Titan manga receives an additional Volume - What is Isayama cooking?

Attack on Titan Manga Volume 25

Night of The End (Chapter), Attack on Titan Wiki

ATTACK ON TITAN Manga Volume 1-6 LOT English Hajime Isayama Manga Paperback 9784063842760

Will the Attack on Titan Anime ending change from the manga? - Spiel Anime

Attack on Titan Manga Volume 8

Is there is any chance that manga of AOT is going to continue after 139.5 chapter or a next part will come with another name? - Quora

Kodansha Presents Hajime Isayama at Anime NYC 2022

Manga / Anime differences: volume 33 : r/ShingekiNoKyojin

Book Synopsis Own six of the most explosive chapters from Attack on Titan's 12-year run, selected by readers, editors, and creator Hajime Isayama

The Best of Attack on Titan: In Color Vol. 2 - (Best of Attack on Titan in Color) by Hajime Isayama (Hardcover)