The usual routine of romance novels was as follows: 1. Love at first sight: The protagonist meets a particularly beautiful woman on a certain occasion or activity, and feelings quickly develop between the two. 2. Misunderstanding: Due to various misunderstandings, there is a gap between the protagonist and the heroine, and the relationship between the two gradually estranged. 3. Reunion, reunion, reunion: The protagonist and heroine meet again on certain occasions, and the feelings between the two are rekindled. 4. Unrequited love object: The protagonist likes a woman but the woman does not respond with the same feelings. 5. Pursuing Plan: The protagonist decided to pursue the heroine and finally won the heroine's heart through a series of efforts and sacrifices. 6. Love triangle: One or more men appear between the protagonist and the heroine to form a love triangle. The relationship between the protagonist and the heroine encounters various crises and challenges such as family, career, and moral problems. Sweet Ending: The protagonist and heroine finally overcome all difficulties and live a happy life together. Not all of these plots and styles are different for different authors and works, but they have become very common elements in romance novels.