Eighteen-Year-Old Great-Grandmother Restores Family Glory

In 1955, Rong Yu (mathematician/physicist), the chief academician who won the National Lifetime Achievement Award, died unexpectedly while protecting his son at the award ceremony. His soul traveled 70 years later (2025) and possessed an 18-year-old high school girl with the same name. Relationship between the main characters: After time travel, Rong Yu discovered that his son Ji Shunying was already the 78-year-old chairman of the Ji Group. She also has several handsome great-grandsons, including president Ji Zhiyuan (eldest great-grandson), school bully Ji Zhouye (fourth great-grandson), star Yanting (second great-grandson), etc.