Y/N and BTS are siblings from a mafia family her mother died due a accident when she was 2 years old. Y/N was a sweet, cheerful, childish, savage girl living happily with her brothers and her father. But some events in her life changed her into a cold, heartless girl. What will happen when their father married again? What happens when they get a stepbrother ? Will y/n accept her new stepmother and stepbrother? Will she again be the cheerful girl? Will there family be happy again? What will happen when her family know that she is a mafia queen? Note. Hello guys this is my first ff that I'm writing so if it has any mistakes then plz understand it 😊😊