Two-dimensional novels referred to novels that used Japanese anime, manga, games, and other two-dimensional culture as the theme. They usually had characteristics such as cuteness, otaku, and fantasy. The characteristics of 2D novels were that the character design was more exaggerated, clothing, hairstyle, expressions, and other details were more exquisite. There were often various anime, manga, and game elements. There were many types of 2D novels. There were traditional types such as young girl novels, love novels, and fantasy novels. There were also surreal topics such as combat novels and science fiction novels. Common 2D novels included " Life in a different world from scratch,"" Full-time Expert,"" Douluo Continent,"" The Selection of the Heavens," and so on.