Rita is the marquess of the Almadine domain and has been researching mineral resources in her domain since she has lost her dear parents, certain that the research will be of benefit to the people. However, one day, she is betrayed by her cousin Miliane and named a traitorous witch. In the end, Rita is made an exile and forced to leave behind her people. Right as she is attacked by bandits, a man known to many as the "Demon Lord" rescues her... Zeke, King of the neighboring kingdom. While she accepts his help, Rita is hesitant to trust others after experience the harsh reality of betrayal, but what could this meeting mean for her destiny...?