BTS Mafia stepbrothers

Y/N Mehta is a cold ,savage,Indian girl. Has a mother,one brother and one sister ,her sister hates her.When she was 10 years old her father died , her mother send her to states . she (Y/N) and her brother have a great bond there is no secret between them except one which only Y/N knows she didn't tell it to anyone

what will happen when her mother will tell her about her secret relationship with Mafia king ( previous now his sons ) and a billionaire with 7 sons.
will they accept each other.