She’s the Apple of Their Eye - Dramabox

Emily, the daughter of the illustrious Porter family, had her world upended when she learned she wasn't her parents' biological daughter. When the true Porter family heiress returned to claim her birthright, Emily was kicked out of the family. After rejoining her biological family, she discovered she was the heiress of the nation's wealthiest dynasty. She had five exceptional brothers who showered her with affection, two adoring parents, and a wealthy CEO fiancé.