Just in from Jump Festa 2025, it is announced that TV Anime Kaiju No. 8 (Japanese Name: Kaijuu 8-gou, Also Known As: Monster No. 8) is entering its final arc. The official key visual has been released, and the official YouTube channel of Toho Animation released the new trailer announcing the Final Chapter of Kaiju No. 8:

The catchphrase in the key visual translated as: “What is the fate of the battle of the defense team members who are cornered by evolved monsters?“
It is also announced that it is getting a second side story, “Narumi’s Week at Work“.
More details related to this arc will be revealed in the future. Bookmark Otaku Mantra for more updates!
About Kaiju No. 8
Kaiju No. 8 (Japanese Name: Kaijuu 8-gou) manga is written and illustrated by Matsumoto Naoya. This manga was first launched in July 2020 on Shueisha’s Jump + Website. This manga was printed and shipped for the first time in December 2020. By March 2023, this manga has released 11 Volumes and these 11 Volumes are in serialization.
This manga was later released in English, licensed by Viz Media in North America. Viz Media describes this manga as:
“A man working a job far removed from his childhood dreams gets wrapped up in an unexpected situation…! Becoming a monster, he aims once again to fulfill his lifelong dream…!“
Source: Official Website