Sute Akuyaku Reijou wa Kaibutsu ni Otogibanashi wo Kataru

Sylph Biebel, the duke's daughter, has just suffered a sinister plot by a friend resulting in her engagement to the prince being called off and her own banishment! But she's not just sent anywhere—she gets exiled to a kingdom where an infamous monster resides. Will her quick wit win this king's favor as she begins a new life as a librarian in a mysterious land? (Source: Square Enix)