You Jia has become a different person since she recovered from her illness. She loves Li Muxin fearlessly, which may seem shameless to others, but no one knows that her courageous love comes from a girl far away in heaven. No one knows that from the moment she appears in this school, her whole life has been living for another girl. Just for this goal, she is even willing to give up the most precious feeling in her heart - Mai Xiao. Loving someone can replace preferences, habits, and regrets, but how can we replace love and happiness?