Loner Life in Another World Novel Volume 5 is written by Shoji Goji with illustrations by Saku Enomaru.

As the kingdom bears down on the frontier, Haruka steps up to prepare his fellow classmates for war. But getting battle-ready means achieving level 100, a peak reached only by heroes of legend. A harsh path lies before Haruka and his classmates. Will they falter here, or find the strength to make it to the highest level?