Reborn to be "Zheng"

Sun Zheng, a famous professor at H University, died at the age of 55. She was never married. Her favorite student, Gu Cheng, saw a notebook when she was sorting out her belongings, and wrote "I was born before you, but I am old when I meet you" and "I am old when I meet you" and " Negative".Gu Cheng broke down in tears.In the same year, Professor Gu, a promising professor at H University, resigned and his whereabouts remain a mystery.Ten years later, an elegant and cold woman in a small southern town passed away. In her suicide note...