Titling a Doujin novel is a very personal process. The name of a Doujin novel can vary depending on the author, genre, theme, and other factors. Here are some names that might be suitable for Doujin novels: Doujinshi: refers to stories that are recreated based on the original. This name could imply that the author had re-created the original work. 2. Derivative works: refers to the creation of a new story by adding or changing the original plot or character based on the original. This name could express the author's adaptation and innovation of the original work. 3. Adapted works: refers to a new story that changes the original plot or character based on the original. This name could express the author's adaptation and creation of the original work. Doujinshi: refers to novels that are based on the original. This name could succinctly summarize the content of the author's creation. 5. Original novel: refers to a novel that is based on the original. This name could emphasize the author's creativity and independence. 6. Fantasy novels: refers to novels with fantasy elements as the theme. The name hinted at the author's conception and creation of the fantasy world. 7. Science fiction: refers to novels with science fiction elements as the theme. This name could hint at the author's conception and creation of technology and the future. 8. Historical novels: refers to novels with historical elements as the theme. This name could hint at the author's understanding of history and creation. The most important thing was that a good Doujinshi title should be able to accurately express the author's content and style while attracting the readers 'attention.