Two-dimensional novels were novels that were inspired by Japanese anime, manga, games, and other two-dimensional cultures. They usually had exaggerated character models, unique worldviews, and unique storylines. The origin of 2D novels can be traced back to the late 1980s and early 1990s. At that time, Japanese anime and game culture began to become popular. Many readers began to combine 2D culture and novels to create their own 2D novels. With the continuous development of the two-dimensional culture, two-dimensional novels gradually became a popular literary form. Two-dimensional novels usually contained a lot of fantasy, science fiction, adventure, love, and other elements. The story was complicated and the relationships between the characters were complicated, often accompanied by strong drama and suspense. Two-dimensional novels had a unique writing style. The readers could choose different topics and styles according to their preferences. Common 2D novels included The Blade of the Destroyer, The Gate of the Fate Stone, The Catalog of Forbidden Magic Books, Tokyo Ghoul, and so on.