Female Star Student Is Awesome

[Strong female lead, Revenge, One True Couple]
Her best friend becomes her sister, disfigures her, breaks her legs, steals her rich fiancé, plots the death of her mother, and sends her to a psychiatric hospital where she is tortured to death.
Reborn as her thirteen year old self with a vengeance, Yun Hua is going to make all of them pay in blood!
While planning her revenge, she meets Bo Siqing, a soldier that died in his twenties in her previous life, and their fates get intertwined in a very interesting manner.