After fighting alongside her fiancé to defeat the Demon King, Romelia is dumped and sent packing, her engagement annulled. Despite being abandoned by her ex and her friends, Rome is still determined to keep the kingdom safe, even if she has to do it on her own. Romelia sets her sights on the remote region of Cashu. She and her novice soldiers defeat demons as they go, only to find their true enemy blocking the way--a new race of intelligent, malicious demon soldiers. On a real battlefield, will Romelia manage to rally her soldiers to defeat these demons? Or will her inexperienced troops falter? Autorid: Ryo Ariyama, Ryo Kamito, Kodama