I, a Mob Noble's Daughter, Was Taken by the Cold Crown Prince

You reincarnated as a minor fallen viscount's daughter in a novel. You intended to live quietly in the corner of a ball, unnoticed, but you caught the eye of the first crown prince, Gilbert, whom everyone fears as cold and ruthless—? "Did you think you could escape?" Before a crowd of kneeling nobles, only you are captured by those dangerous eyes.