My Enemy Is My Fiancé

My name is Dianne .
My family is one of the best Mafia in the world.
Our tradition is to forcibly marry the heir and the heiress of others gang.
The reasons are:

1. The Money and transaction

2. To keep the living history or should I say legend

3. To keep in harmony to the other gangs

And yes , all these reasons
Are the cause of me
Being a fiance of my enemy Nate
God I've always loved him!
But he's such an asshole!