This article is as titled, the protagonist is a dementor, the background is the era of BC when magical creatures gathered, the CP of this article is a professor, and the rest will be explained one by one in the following article. This article is definitely not a scam, it may be v. If you don't like it, don't enter. Ps: The author is incompetent in copywriting and there may be a lot of bugs, please come and catch them.