Unexpected Love 2 was popular because it was a brand new romance movie with a unique storyline and character setting. Compared to the first and second films, they delved deeper into topics such as love, family, trust, and betrayal, making the audience more emotionally involved. In addition, the special effects and action scenes of the second movie were even more outstanding, enhancing the visual and audio effects of the movie. It was also possible that it was because 'Unexpected Love 2' was a new movie that people lacked understanding and knowledge about it, so it was easier for people to feel fresh and curious about it. In addition, the reputation and popularity of the first film would also affect people's expectations and interest in the second film.