In the village of Kunlun, descendants of ancient saviors reside, ready to aid humanity in times of great need. Lloyd Belladonna, despite growing up battling formidable foes near the legendary Last Dungeon, sees himself as the weakest in magic, strength, and wit among his peers. Determined to become a soldier, Lloyd departs to join the military academy in the Kingdom of Azami. His unconventional upbringing may hold the secret to resolving the kingdom's mounting troubles, as his hidden potential could be the solution to the kingdom's crises.