So I'm a Spider, So What? Novel Volume 14 was written by Okina Baba and illustrated by Tsukasa Kiryu.

The demon army is on the march, rushing toward the decisive battle that will rid the world of the elves and their evil once and for all. Meanwhile, the time is fast approaching for Shun and his friends to reunite with their friends and classmates who they assumed were long dead. But when that moment comes, who will they stand with-the elves they’ve been fighting alongside with, or people they knew in their former lives?