Rejected the Suitor, Married the Marquis

When the female protagonist was discussing a marriage proposal, she mistook the other party for an ordinary man from a poor family and firmly rejected the offer. Later, by chance, she married into the prestigious and wealthy Marquis Manor. After marriage, as she got along more and more harmoniously with her husband, she accidentally learned that after all the twists and turns, she had eventually married her destined perfect match.