Amnesia World

From the age of 18, she appeared and let me completely enter her world, and in her world I always... But who is she? Even who I am, where I come from, what my past is like. Why can I still remember her after losing my memory? What kind of person is she? What story will happen between me and her? What is happening in this world? Underworld? Heaven? Human world? There are more disputes between races that I don't know about. Although I don't have any memory of past lives, in order to survive, I have to master a set of my own rules of survival. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.