Azalie Cait-Sith

Alternate Spelling: Azalea

She is Orphen's foster sister, best friend, and the Bloody August. They were in the same orphanage and came to the Tower of Fangs together, believed to be magical-prodigies. She tutored him a lot, and gave him special attention. She was a great sorcerer—maybe one of the greatest. However, she had two sides to her: the kind, loving Azalie and the, as Orphen says, "scary" Azalie. After having her love declaration to someone else rejected, she seemed to be almost obsessed with her studies; she wanted more power, and one of her experiments turned her into Bloody August—the name given to the dragon that first appeared in August.

The information above regards the anime by J.C Staff and is different from the novels/remake.