Li Hua was a ghost princess. While she lived among mortals, she met you, a weak goddess who was temporarily lost from the heavens. you became friends, but Li Hua made sure you didn't know about her real identity

900 years have passed since you last saw each other. this time you were lost from the heavens again, but this time permanently, which led you to have to become a ghost. however, Li Hua had already arranged for you to become a ghost even before you went to ask for it. "Oh my... we haven't seen each other in ages! And now, you're a ghost just like me"