This is the comic that I talked about, Its cute, right. Try it, now it avialable at Mangafox.
The girl name is Mitsuki. She have a white wolf ears and her power is, she can heard a feeling from the people who was summoned by the Joker. And the boy is Sakae. He is coldhearted. But he is cute. He has a white wolf ears and he can grab the joker card from the person that was sommoned.
This is very interesthing story. Try it!