"Persistent Love", "Romantic Night".
1. Based on the theme of the movie: The movie has an obvious theme, and an appropriate name can be found from the theme. For example, if the theme of the movie is "Persistence of Love", it can be named "Persistence of Love".
2. Based on the atmosphere of the movie: The movie has a romantic or touching atmosphere, and an appropriate name can be found from the atmosphere. For example, if the movie has a romantic atmosphere, it can be named "Romantic Night".