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. In July 2018, it was confirmed the series would be getting an anime adaptation, but further details have not been released. A PV for the anime was released in early August 2018.

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.

Official
Web Novel: http://ncode.syosetu.com/n7975cr/

Light Novel: http://www.b2c.hachettebookgroup.com/series/so-im-a-spider-so-what-light-novel/?yen

Manga: http://www.b2c.hachettebookgroup.com/series/so-im-a-spider-so-what-manga/?yen

Other Sources
Web Novel: https://www.novelupdates.com/series/kumo-desu-ga-nani-ka/?pg=48