STEP-BROTHERS?? {BTS FF}

A story about a mute girl who has dark past. She got mute because of things that happened on her life. After many years her mom decided to re-merry. Now she is Kim Yn who has step father and not one but seven step brothers. Those step brothers are secret Mafia Kings and no one knows it expect their mafia partners. They have moments in their past that they are trying to forget and get over with but they can't.

What will happen when they got new step sister? What will happen when their past and secrets reveals? If you want to know read the story.

THERE IS ONLY BROTHER-SISTER RELATIONSHIP BETWEEN BTS AND YN.