Death March to the Parallel World Rhapsody, Vol. 19 (light novel)

FREEDOM, AT LONG LAST?
After being appointed as Shiga Kingdom¿s Vice-Minister of Tourism, Satou decides to take his party on a sightseeing trip around the country. Over the course of their leisurely journey, he and his crew go rafting, reunite with old friends, and even save some refugees! But things take a serious turn when Satou receives word that the imperial mage who placed a Geist on Arisa and Lulu, thus magically binding them to a life of servitude, has been hiding out in the labyrinth beneath the ruins of Kuvork Kingdom. Will Satou and company finally get an opportunity to settle the score with him¿?