The anime doujinshi was a doujinshi novel that was inspired by an anime or manga. This type of novel would usually modify or expand the plot, characters, or elements of the original work to create a new story. The anime and doujin novels were very popular in the 2D culture. Many readers liked to read these novels to experience the plot and characters that were not in the original. The way anime and doujin novels were created was usually based on the author's own creativity and preferences. Some authors would conduct detailed research and analysis to better understand the plot and characters of the original work and create a story that was more in line with the style of the original work. Others may have more freedom to create without any restrictions, but still need to respect the copyright of the original work. The creation of anime doujin novels involved many aspects, including literature, painting, music, and so on. Some authors might adapt the original characters to create new characters and storylines. Some authors might modify or expand the original plot to create a new story. The anime doujin novel was a creative and imaginative cultural form that allowed readers to experience plots and characters that were not in the original. However, it should be noted that any creation must respect the copyright and intellectual property rights of the original work and avoid copyright infringement.