The Strongest Duke's Daughter Wants to Marry the Exiled Mage

Duchess Flaurina made a promise of marriage in her childhood to Reynold, a genius mage who saved her life from an incurable illness.\nTen years later, at the age of eighteen, Flaurina goes to reunite with him—only to discover that Reynold has been falsely accused and exiled to the frontier, having lost all will to live.\nHowever, when Flaurina uses a certain cheat-level ability, everything changes…!?\nAn extraordinary newlywed life begins in the remote frontier!