Death March to the Parallel World Rhapsody, Vol. 14 (light novel) — Hiro Ainana

A SIGHT FOR SORE EYES! Having toppled another powerful foe, Satou's group heads back to Labyrinth City to celebrate their achievements. Upon returning, they're greeted by two familiar faces-Zena and Karina have come to Celivera! Plans are made to give them a warm welcome, but those get derailed when Zena runs into trouble. Her labyrinth dive takes a turn for the worse when a monster kidnaps her, so Satou rushes to her rescue. Inevitably, he finds much more than he bargained for! It seems a Hero's work is never done…