In a world where only females are born with the ability to wield magic, a boy, Americano (Amel), is the only exception. In this world, he must conceal his gender to protect his legitimacy. From the prestigious Beans family, he must prove himself to be the most capable practitioner of the magic arts in the process of capturing illicit escapees of his home land. Nothing is as it seems, however, as a dark secret threatens the very fabric of reality.