MAFIA STEPBROTHERS | BTS FF | BTS X READER | (Completed)

this story is about a girl y/n who is 17 years old, her mother gets re-married to the biggest mafia of the whole south korea and who got to be the father of BTS the biggest bullies and the most powerful kingkas of the school, y/n is not afraid of them she is a total badass but what will happen if BTS finds the true identity of y/n??