As a fan of web novels, I haven't actually read all the novels, so my answer might not apply to all readers. But I can tell you about some of the more well-received novels, which may have a heavier theme and plot. Some of the more well-received novels included classic works such as One Hundred Years of Solitude, The Kite Runner, War and Peace, Dream of the Red Chamber, and Pride and Predict. These novels depicted the complexity of human nature and the impermanence of fate, and deeply explored the meaning and values of human existence. Other modern novels, such as 1984 and Brave New World, also revealed the dark side of society and the distortion of human nature. Of course, these are just some examples. In fact, there are many other novels with heavy topics and plots. The readers can choose works that suit their interests and preferences.