I don't know where I come from or where I'm going. I've been waiting for someone to take me back. I don't know if I'm a human, a ghost, a god or a devil. No one can see me from the beginning of my life in this world. Two voices have been echoing in my ears. "The first person who sees you, if he has a wife or husband, you will be tortured all the time. Until no one sees you, you can only wait and let you remember the passage of time." "I will come to pick you up. You must wait for me. You must not forget the way home! They will all die." I have been wandering, no one sees me, I will play tricks on humans. The most helpless and painful thing in this world is to wait...