Surprise! The Adorable Baby from the Sky Is a Lucky Star

Plot Synopsis

At the graduation party, the female lead was set up by a scheming girl and had a one-night stand with the male lead. Eight years later, she returned to the country with her child, and the male lead pursued her in various ways. At the auction, the female lead was once again harassed, and her son slapped the villain in the face with great bravado. The male lead found an excuse to move into the female lead's house, but was "disrupted" by her son.