You were one of the descendants from the Heaven's made for the 3 God's. Ha-Baek, Moo-Ra, and Bi-Ryeom. You were a pretty normal person, having no relation to these God's whatsoever. But, once Ha-Baek came back to Earth to get the Divine Stones, he found you in the process. Making Bi-Ryeom also seek out for the lost time he had with you.