Spice and Wolf, Vol. 22 (light novel) - Isuna Hasekura

With the Nyohira bathhouse in good hands, Lawrence and Holo continue their journey, exploring the world anew. Of course, it wouldn’t be much of an adventure if they didn’t run into some new faces—and some old ones, too. So when their old friend Elsa asks them to investigate a cursed mountain to discover the secret of the wandering alchemists and a fallen angel, of course they accept. It may be some time yet until they catch up with Col and Myuri…who have somehow gotten into a bit of matrimonial trouble of their own?!