Is my sister still alive after the red moon?

Hello, I want to ask if my sister in the novel "The Heart of the Red Crescent" is still alive? The younger sister in the novel is still alive since the Red Crescent. The novel begins with the Red Crescent, and the protagonist's sister, the orphanage, is code-named seventeen. In fact, it is the spirit created by the protagonist's schizophrenia for the murdered students in the orphanage. It has its own independent consciousness, the Spider Sect, which was promoted to the ultimate through various stolen forces, and later replaced the protagonist as one of the ultimate seven sacrificial witnesses. Let the protagonist have a chance to enter the original consciousness and stop the old dean. Eventually become the new ultimate colorful fairy in the new world. So the sister in the novel is still alive since the Red Crescent.