Crown Princess, Another Mask Falls

A prime minister’s eldest daughter, raised as a perfect noble lady, wakes in a strange new era as the lost true heiress of a wealthy family. Her fake sister torments her, acting refined and kind while knowing nothing of poetry or music. Her family feels guilty but clearly favors the fake. No worries, she knows a thing or two about household schemes. Tricked into a bar, she meets a man who falls for her at first sight, never knowing they are engaged!