Spice and Wolf Novel Volume 22 is written by Isuna Hasekura.

With the bathhouse in Selim’s care, ex-traveling merchant Lawrence and Holo the Wisewolf set off on a journey again. Along the way, at a place called the Vallan Bishopric, where they were going to exchange coins, there is a familiar face was waiting there to reunite with them-Elsa.

Now a priestess, Elsa says that she came to the bishopric to manage the church’s assets. As collateral for exchanging their money, she asks Lawrence to investigate a cursed mountain, where people are said to go in, but never come out. Hidden there is the secret of the alchemist and the fallen angel-?!