This book mainly tells the story of twin sisters who exchanged their souls due to an unexpected event and set up a life-and-death bet. From the beginning of incompatibility to the end, the two of them jointly cope with the final crisis and achieve complete reconciliation and their respective growth and transformation. The themes of the story revolve around misunderstanding and understanding, resentment and forgiveness, self-searching and blood ties. The core is to explore that "real understanding must come from personal experience."
