Doujinshi referred to the second creation based on the same work (such as novels, comics, animations, games, etc.), including continuation, adaptation, adaptation, and derivative works. In the process of doujinshi creation, the creator may enjoy certain rights such as adaptation rights, translation rights, compilation rights, etc. However, the specific circumstances need to be determined according to the law and contract. Under normal circumstances, the copyright protection laws and contracts for Doujinshi works would be more specific and complete. For example, in some countries or regions, the copyright law would clearly state that doujin works enjoyed the rights of adaptation, translation, compilation, and so on. In other countries or regions, these rights might differ due to different legal provisions. In addition, the creators of doujin works also had to consider the risk of copyright because some doujin works could be considered as copyright pirates. Doujinshi was widely used in literature, entertainment, and other fields. However, it was necessary to abide by relevant laws and contracts to avoid the risk of copyright. If you have any legal issues regarding doujinshi creations, you are advised to consult a professional lawyer or the relevant department.