The Lord's Secret Princess

Ian Sutton transmigrates, a duke's wastrel son. He is determined to break off his engagement with Princess Royal, Zara Lennox. He is framed and forced to take on disaster relief. Ian Sutton uses his modern knowledge for ice-making and business, accumulating wealth, cracking down on corruption. He falls in love with a disguised Zara Lennox. He thwarts a minister's plot, discovers his beloved is the princess, and two get married.