Forbidden Doujinshi referred to novels that were inspired by the anime, Forbidden Magic, and usually contained forbidden elements and corresponding storylines. If you want to write a finished forbidden doujin novel, you need to consider the following points: 1. Confirm the protagonist. A protagonist had to be chosen to represent the entire story and ensure that the protagonist's personality, experiences, and goals matched the characters in the original Forbidden Book. 2. Decide on the storyline. There were many complicated plots and character relationships in the original Forbidden Spell. Doujin novels needed to expand and deepen on this basis to create a more complete and rich storyline. 3. Shaping the character. The characters in doujinshi novels need to be sufficiently shaped and described so that readers can better understand and appreciate their personalities and characteristics. 4. Avoiding excessive OOC. Doujinshi novels needed to avoid excessive OOM, that is, avoid the plot or character characteristics that did not conform to the original work to ensure that the work was consistent with the original work. 5. Stay consistent. Doujinshi novels needed to maintain the cohesiveness and logic of the story to ensure that the readers could read and understand the story smoothly. To sum up, if you want to write a complete forbidden doujinshi novel, you need to consider the above points to create a complete, rich and interesting storyline and ensure that the character is fully shaped and described.