Despite being viewed as lacking in traditional magical abilities, Princess Anisphia defies the aristocratic norms by developing "magicology," an unparalleled magical theory that stems from memories of a past life. After noticing the unfair removal of noblewoman Euphyllia's claim to the throne, Anisphia hatches a plan to restore her rightful place through cohabitating and delving into the realm of magic. Little do they know, their short interaction will have profound impacts not just on their fates, but also those of the entire kingdom and beyond.