Magic is not unheard of in Ayni, however very few magic users exist, nor are they given proper status in the world of Ayni, especially Kairos. It is seen as unnatural and a way to bend natural laws, an arbitrary attack on the world given to everyone by their respective gods.
Many magic users practice in private, oftentimes by request or when commissioned by noble families or desperate commoners. While it is not a punishable offense to practice magic openly, it is greatly frowned upon by the public. In a way, one throws away their entire life by revealing themselves to be a magic user.
Although most hate the idea of magic, it remains a wondrous marvel that is greatly unexplained, captivating even the most stubborn of adversaries. Without it, many technological advances would not have come to light, and Even though many scientists hate the idea of reaching out to these outcasts, they are necessary for many to truly discern any situations at hand.
There are still many people who praise the usage of magic, even if it is done so in private. Aithne Centhos was one of those supporters. Being born as a magic user results in someone being branded as a witch or wizard—a word not to be thrown around lightly Many of the princess' friends have turned out to be witches and wizards that wish to find a place to learn their craft in private.
Learning about magic requires quite a bit of privacy, something that not too many people are able to be privy to: such as a public library, especially so when magical books are in the restricted access section. This is where the princess stepped in.
Having such a large palace with a staff who knows better than to leak any sort of secrets that could be seen as a way to exploit a treasured member of the royal family was perfect.
Even if her librarian did not quite agree with the idea, he had not once stopped to question her authority to do so. These guests were treated just as anyone else would be despite how horribly they would be treated if anyone outside of their walls found out their true nature.