So I’m a Spider, So What?

is a light novel series by Okina Baba with illustrations by Tsukasa Kiryu. It began as a web novel, but was later published by Kadokawa under its imprint starting December 10, 2015. Yen Press has licensed the light novel for English release.

A manga adaptation by Asahiro Kakashi was serialized starting December 22, 2015. Yen Press has also licensed it for English release.

Plot
After a flash of light kills everyone in her class, a nameless girl wakes up to find that she has been reborn in another world as a giant, monstrous spider. Now, she must use all of her strength to survive in this new world as a monster at the bottom of the food chain.