What do people do when they are wronged or bullied by others?
Good people will sort themselves out, choose to forgive, or take revenge on things and people.
But she's not.
She's bad, she's selfish. When she gets hurt by others, she will only seek to get it back from those who love her.
Note: The heroine has the shortcomings of ordinary people. She is selfish, has a bad temper, and will use her own advantages to achieve her own goals (this may be a bit bitchy). If you cannot accept this, please do not enter.