Even Monsters Like Fairytales捨て悪役令嬢は怪物にお伽噺を語る; Sute Akuyaku Reijou wa Kaibutsu ni Otogibanashi wo Kataru

Sylph Biebel, a duchess, has been framed by her friends, her engagement to a prince has been broken, and she has been banished to a land inhabited by monsters. But a quick wit wins her the favor of the king of the land of monsters, and there she begins her new life as a librarian in a foreign land populated by monsters.