In Pocketville, there's a beautiful kitty princess named Ava who matches new friends, children and pets. One day, by the doing of her envious twin sister Eva, she is accidentally sent to the 'real world' while our protagonist, Kate, is sent to Pocketville in her place. In Princess Ava's absence, Kate - together with her recently matched pet friend Magic, will make sure that Ava's duties of matching children and pets continue to be conducted while Eva will try everything she can to stop them so that she can become the new princess!