I didn't hate her buh I didn't like de fact that she sent that ex friend of Xinxin to watch Xinxin every move...
Buh all de same I wish for her to wake up n patch things up wid Xinxin💖
She have the same goal as Xinyi. To see the ruins of the Sun Family.
Although Xinyi's goal at first was to not have anything to do with them, Feiyan wanted to avenge her father's death.