The Evil Queen of Time Travel Is a Fairy

She first dreamed of all this when she was in the first year of high school. The girl in her dream was still a baby. In the following days, she would come to this world once she dreams. As she grew older in the dream, she became more and more lethargic in reality... After a car accident, she dreamed of returning to Wonderland for four days, one day in the sky and one year on earth... What happened in the four years when she lost her memory? What's the conspiracy? Why has the former protagonist been cut in half? ? Why does she possess the villain? ?