Gokinjo no Naguri Cleric: Senki Ursula no Koukai (Volume)

is the first volume of the Gokinjo no Naguri Cleric: Senki Ursula no Koukai light novel series, written by Kisui and Illustrated by Tetsuhiro Naebshima. It was released under the Dengeki Bunko Imprint in November 2016.

Synopsis
Arnaldo, a nomadic swordsman who has become unemployed after a long war. The nun he met on the New World in search of work was ... Ursula, a magical soldier who once terrorized the battlefield as a "war demon"-!? The heroic fantasy unfolds by the old-fashioned swordfighter Arnaldo, the former and strongest magical weapon and devout monk Ursula, and the legendary witch's daughter, Fausta, has begun !! "Are you Ursula?" "No, no." The whereabouts of this story, in which the physics-matched beating cleric passes through, is ――What will happen now !?

(source: Dengeki Bunko Official Website - Translated)