Shinji Nagaoka is the art director, while Hideki Imaizumi is the director of photography, Takashi Sakurai is in charge of editing, and Kazuo Yamaguchi is credited as the CG director, with exsa as the CG animation studio. ENGI is credited for CG animation production assistance. Riko Azuni performs the first opening theme song "keep weaving your spider way." Yūki performs the ending theme song "Gambare! Kumoko-san." The novels take place in a world where the hero and the demon king are locked in a continuous dispute. Their grand magic crosses into another world, and ends up exploding in a classroom, killing the students inside. The students are then reincarnated into a fantasy world. The protagonist, who has the lowest position in the class, is reincarnated as a one-meter-long monster spider. But she accepts this fate and adapts to her new life and situation quickly. The story follows the protagonist as she survives in this new world.