Who Knew Dragons Could Be This Cute?

After being transmigrated into a novel, Arcelia's first move is to strike a deal with the grand duke. Intimately familiar with the novel's plot, she knows Duke Kasius is actually a dragon in disguise as well as how to obtain "The Piece of God," the one magical item capable of undoing his curse. Kasius is hard-pressed to turn down her help, but what exactly does this commoner want in return?