What happens when jade falls for Harry but for Harry it's all a game

Everybody in this world has a soulmate. When you are born, you are given a silver chain necklace with an intricate charm. There are only two that are exactly alike in the entire world. The caring ones, the shy ones, the confident ones, the tough ones, the angry ones, the sick ones, the crazy ones, everybody has a necklace. It's only if you choose to follow it, that you will find your one true love. When the town bad boy who is constantly in trouble discovers Harley is his soul mate, he doesn't wait a second to make sure she's all his.