Purely Fated

This is book about a girl that is half dead and half alive. She lives both in the real world and the realm of the undead. In the real world she goes to high school like any normal teen. In the realm of the undead she works along side the god of Hades and tally up the dead count. When doing so each person is interviewed and then they determine whether or not to let them go back to the lives they lived. It so happened that by chance one of the people Hades had revived now goes to her high school .... And he likes her? Could this be...?
Purely Fated.