He Married His White Moonlight After I Bore His Child as a Substitute

I'm Out of Books, Please Recommend Something

Looking for books similar to "My Girlfriend Is a Trillionaire Heiress, but She Pretends to Be Poor and Lets Me Support Her". Are there stories where the male lead's family lives in the countryside and hides their identity, but everything they wear and eat is luxurious? Then he brings his CEO girlfriend home and she realizes something is off.