She works as a shopkeeper at Alnus. She has mastered Japanese language and is able to communicate with JSDF on a daily basis.
In manga she has much darker fur.
There may be romance int the air in the manga with Wolf. See http://www.taadd.com/chapter/GateJietaiKarenoChiniteKakuTatakeri555/805476-15.html where she and Wolf are in the steam room together ;)