Demon Familiar

Khari is an exorcist. In her family when they reach 18, they're given a familiar in their likeness to aid them in fighting evil. But instead, Khari gets a demon named Ashura. Since she can't get rid of them, she's gotta learn to be friends with them.
Something terrible is afoot. The region is being swallowed in a terrible darkness that no one can handle. The fate of the future is left to their hands.