Wolf & Parchment: New Theory Spice and Wolf

is a Japanese light novel series written by Isuna Hasekura, with illustrations by Ju Ayakura. The series began publication on September 10, 2016 by ASCII Media Works under their Dengeki Bunko publishing imprint.

The Series has been licensed for an English release by Yen Press under their Yen On imprint.

Synopsis
The story of the journey of Holo and Lawrence's daughter Muri.

A young man who aspires to become a priest, Kol departs from the bathhouse "Spice and Wolf" run by his benefactor Lawrence. Invited by the Prince of the Kingdom of Winfield, he helps to correct the injustices of the church. A beautiful girl, Muri, with wolf ears and a tail lurks in her luggage.

The wandering boy Kol, who once accompanied the wise wolf Holo and the peddler Lawrence's journey, became a young man and lived like his two daughters Muri and his brother and sister. And when he learned of Kol's departure, the tomboy Muri secretly slipped into his luggage and attempted to run away from home.

"New Theory: Wolf and Parchment". The journey of two people, which will change the world one day, begins!