Back To Twelve summary: Meng Qingqing is an orphan. She is grateful to the parents of Dabo, and she is grateful for the care of the uncle. One day after she graduated from college, she accidentally discovered a secret that caused her to subvert all cognition. She also suffered a demise. After the disaster, she woke up and found that she had returned to the age of twelve, more than a month before her father died…