Karen Jankulovski

Karen has a similar devilish personality as Erica Blandelli as well as being a very intelligent young lady.

It was stated in the Novel, that Karen already graduated from High School and is currently an apprentice Witch studying at the Kranjcar family's Bronze-Black Cross magic association. She is now working besides Liliana, receiving an education necessary to be a Witch.

(Source: Campione! Wikia)