The two romances between an arrogant female top student and a scheming male scumbag. The first time they fell in love, they treated each other like guests. After an unexpected short-lived relationship, the relationship ended abruptly. It was not until they reunited seven years later that they deeply realized that they still had each other in their hearts. It was only after they were together again that they learned the real person of each other. The whole text is narrated from a third-person perspective and tells the story of the daily sweet-talking and bickering with her boyfriend.