So I'm a Spider, So What? Ex novel volume 1 was written by Okina Baba and illustrated by Tsukasa Kiryu.

A volume packed with spoilers and behind-the-scenes extras, including over 30 original stories and side stories written for past promotions, over 30 character designs by artist Tsukasa Kiryu complete with rough drafts and detailed notes, 5 color illustrations, and in-depth information about the other reincarnated classmates' skills!