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

Book Synopsis Contains the FINAL VOLUMES of Attack on Titan in an extra-large size, on premium-quality paper! , 16 and up. , END OF AN ERA ,

Attack on Titan: Colossal Edition 7 - (Attack on Titan Colossal Edition) by Hajime Isayama (Paperback)

Attack on Titan 31 by HAJIME ISAYAMA - Penguin Books New Zealand

Attack on Titan : 34 - Books-A-Million Exclusive by Hajime Isayama

Attack On Titan to Get A Bonus Manga Chapter - Good e-Reader

The blockbuster action manga that inspired the epic anime stampedes towards its thrilling conclusion! FREEDOM… Eren’s titanic Rumbling claims

Attack on Titan 34 by Hajime Isayama: 9781646512362 | : Books

Attack on Titan, Vol. 13 (Attack on Titan, #13) by Hajime Isayama

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

Attack on Titan, Volume 21 by Hajime Isayama, Paperback

Hate for the Attack on Titan's ending has been noticeably increasing the closer we get the end of the series. : r/ANRime