The Empire of Thalassia, a rising superpower on the continent, just defeated the Kingdom of Ollasera in a surprising show of military superiority. As a result, Lumen suddenly has to manage both succeeding his father as Duke and appeasing his new feudal Overlords.

Chosen by the Goddess of Creation, Elena was destined to defeat the Evil Lord with his very own sword of Darkness. However, after she picks up the cursed weapon, there are undeniable changes to both her body and mind…