"In the multi-dimensional space, there are countless 'worlds', some of which intersect with the current world from time to time, and some of which are infinitely balanced and never intersect."
"The 'I' in the dream is the 'I' in another world?"
"That is the mirror world opposite to the world we live in. Every 'self' has an 'other self' in the mirror world. But why is your 'self' connected with the 'other self'? I'm afraid you have to find the answer yourself..."
Although Ling Xin had some extraordinary ability to identify medicines and plants since she was a child, she never thought that one day she would be able to travel through the mirror world and meet her other self - the priestess witch Ning Xin, who was a genius but only believed in equal exchange throughout her life and overthrew the dynasty in a snap.
Goodness and punishment are inverted, and each other's souls are constantly traveling through the mirror world, looking for a space to fit together.
"Only on that day will you have your complete self..."