There are many types of romance novels that you can refer to. 1. Romance novels: A romantic love story where the protagonists have deep feelings for each other, often accompanied by many dramatic plots and misunderstandings. 2. urban romance novels: they mainly describe love stories in modern cities. The protagonists usually live in bustling cities and have complicated interpersonal relationships and emotional lives. 3. Time travel romance novels: The main story is about the love story of the protagonist traveling through different historical periods, usually with unique cultural and historical backgrounds in these historical periods. 4. Rebirth romance novels: The main story is about the love story after the protagonist's rebirth. It is usually accompanied by some rebirth memes and fateful twists. 5. Suspense romance novels: mainly about the suspense events and emotional entanglements between the protagonists, accompanied by some mysterious clues and guesses. These are some of the more popular romance novels. You can choose different story types according to your preferences. In addition, he could also use some online novel platforms or search engines to find novels he liked.