か弱い令嬢、正体は帝国最強の闇魔法使い!

Eleanor Mortimer looks like a sweet, fragile noble girl—but she is secretly the leader of the Black Tower and the first Saint Archmage in history. Prince Edward plans to break off their engagement, until a Bone Dragon attack makes him suspect Eleanor is hiding something. From then on, he stays close, watching her every move. But the more Edward investigates, the stranger things become. The Mages' Guild seems to be hiding a dangerous secret, and Eleanor's family is soon pulled into the conflict. When the trap finally closes, Eleanor may have no choice but to reveal who she really is...