Book Worms (紙魚 Shimi, lit. Silverfish) are a species of Mushi that are briefly seen in episode 20. DescriptionEdit These Mushi nest in and consume the paper in old scrolls. WeaknessEdit They have no known weakness. Retrieved from "https://mushi-shi.fandom.com/wiki/Book_Worm?oldid=6834" Categories: Mushi Species Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.