The Witch of the Library

Kirihito is a young charcoal maker living in the mountains. He is given a mission: to serve the “Witch of the Library,” who is said to reside deep within the royal palace. A boy raised in the mountains and a witch who cannot speak. Their encounter sets the kingdom—and the world—into a major upheaval. The long-awaited manga adaptation of the wildly popular, authentic fantasy series from Kodansha Bungei!!

(Source: Comic Days, translated)