what is the title of this anime?

i can't quite really remember but it was group of people that have pets that can turn into humans form to help their human partners fight the evil character.the main character is a teenage girl,with long hair i guess and her pet is a fox or a squirrel or something similar if i'm not wrong.the evil character was trying to find a bunch of diamond-like crest thing that she need to find and collected for her cruel mother that torture her when she didn't complete the set of that thing.the're also a blue wolf and other animals as partners to the humans in one of the alliance of good peoples house.