The Eternal Fool's Words of Wisdom: A Pawsitively Fantastic Adventure is a Japanese light novel series written by Hifumi and illustrated by Kurihito Mutō. It was serialized online from January 2015 to September 2019 on the user-generated novel publishing website Shōsetsuka ni Narō. It was later acquired by Earth Star Entertainment, who published fourteen volumes between September 2015 and December 2019 under their Earth Star Novel imprint. A manga adaptation with art by Fuh Araki has been serialized online via Earth Star Entertainment's Comic Earth Star manga website since April 2017 and has been collected in thirteen tankōbon volumes. An anime television series adaptation produced by Studio Elle is scheduled to premiere in January 2027.