Hailed as a genius, Metea becomes the Chief Saint of the Central Temple at just eighteen years old, only to be abruptly ordered into exile. Far from being devastated, she feels relieved to be freed from the crushing burden of singlehandedly supporting the temple and sets off on her journey with a radiant smile. Along the way, she encounters a knight named Lionel, and though their first meeting is anything but pleasant, the distance between them gradually begins to close as they travel together to save those in need. The story follows the mightiest exiled Saint as she discovers whether her newfound freedom will lead her to end up saving the entire world in this exhilarating heroic fantasy.