For The Princess Who Will Disappear summary:
After a life tangled with pickpockets, Sasha discovers she might be a "princess"!? Selling a necklace by mistake leads her all the way to the royal palace. Quick-witted and bold, Sasha, the street-savvy princess, and Rascan, the cold-hearted duke and her fiancée who silently stands by her side, embark on a secret romance!