Light Novels/Volume 12

Kumo Desu ga, Nani ka? Volume 12 was released in Japan on January 10th, 2020. It's English translation is set to be released by Yen Press on July 20, 2021.

Synopsis
Whoa, war's broken out and it looks like it'll be this world's deadliest. Yeesh. The Demon Lord is doing her best and it looks like the only one who might be able to stand in her way is some hero named Julius. If I'm going to help the Demon Lord figure out this world peace thing, then he's gotta go down!