イッレール

Irraere is the royal thaumaturge of the princess Mercilia, and the disciple of her master the Queen’s royal thaumaturge Biilarae. Much like an alchemist, or a doctor, she is responsible for the health of the manor. She often resides in the ward that she’s made into her own personal library, and rarely leaves. When she does, she is often seen as aloof, lost in thought or lethargic. Acting more like a hermit of sorts, much to the annoyance of the rest of the manor. [From Mangagamer]