Sofia gets a job as the castle's librarian so that she can save money to explore the world. But when she stumbles on a book of the darkest magic her dream of adventure turns into a nightmare. Luckily a grumpy sorcerer has her back, even if he adds to that danger with his secrets. A/U: Sofia grew up as a commoner. librarian!Sofia x Cedric, Cedfia (ps: Sofia is an adult in this A/U)