So I’m a Spider, So What? is a Japanese light novel series written by Okina Baba and illustrated by Tsukasa Kiryu. The story is about a girl who was reincarnated as a dungeon spider, and her struggle for survival. The series has received a manga adaptation, and an anime television series adaptation by Millepensee premiered in January 2021.
In another world, the Hero and the Demon King continue to oppose each other. The grand magic from the Hero and the Demon King crosses over worlds and explodes in the classroom of a certain high school.
The students who died in the explosion are reincarnated in that alternate world. the protagonist, who has the lowest standing in the class, was reincarnated as spider. This is a story of she who has become a spider doing whatever she can in order to live.
Okina Baba originally serialized the series as a web novel on the user-generated content site Shōsetsuka ni Narō starting on May 27, 2015. Fujimi Shobo acquired the series for print publication, and published the first light novel, with illustrations by Tsukasa Kiryu, in December 2015. Yen Press announced during their panel at Sakura-Con on April 15, 2017 that they had licensed the series.
Asahiro Kakashi launched a manga adaptation of the web novels in the Kadokawa Shoten’s Young Ace Up manga website on December 22, 2015. The manga is also licensed by Yen Press.
It was reported on July 6, 2018 that the series would receive an anime adaptation, according to an early look at the wraparound jacket band on the fifth volume of the manga adaptation. The report was confirmed at Kadokawa’s booth at Anime Expo later the same day, and it was announced that the adaptation would be a television series. Originally set to premiere in 2020, it was rescheduled to premiere on January 8, 2021 due to the COVID-19 pandemic. The two-cour series is animated by Millepensee and directed by Shin Itagaki, with Okina Baba and Yūichirō Momose overseeing the series’ scripts, and Kii Tanaka designing the characters, and Shūji Katayama composing the series’ music. Jōtarō Ishigami is producing the series. The opening theme song is “keep weaving your spider way” performed by Riko Azuna, while the ending theme song is “Do Your Best! Kumoko-san’s Theme” performed by I (Aoi Yūki). It is licensed by Crunchyroll outside Asia. Medialink has licensed the series in Southeast Asia, and is streaming it on their Ani-One YouTube channel and Bilibili.
The light novels and manga had a combined 1.2 million copies in print as of July 2018. The light novels ranked third in the tankōbon category in the Kono Light Novel ga Sugoi! 2017 rankings, and second in the 2018 rankings.