So I'm a Spider, So What? manga volume 12 features story by Okina Baba and art by Asahiro Kakashi.

So apparently, I’ve somehow become besties with the demon lord and baby vampy, and now we're journeying together?! On the plus side, I did manage to evolve into my Arachne form, and so finally obtained a human face! Go me! But between evolution and our journey, it’s kinda hard to level up, so I guess I’d better torture train vampy and her buddy to survive elf-fire...