It's a brainless and cool article, it has no logic, it's just cool.
The 30-year-old heroine Guan Yingying has achieved nothing. After the death of her parents, she returns to her hometown and is accidentally taken back to her 14-year-old year by a jade pendant inherited from her family. At the entrance ceremony of the third grade of junior high school, the soul of an adult becomes a child again.
