I just had a lot of fun writing this article. The highlight is Mary Sue. The character is very likely to be OOC. There are some things that are not in line with the original work (I try not to). Readers can bring it in on their own. You can just think of it as a role-playing game. Don't criticize me if you don't like it. Anyway, I've already said all my ugly things.
Purpose: Harry Potter fan fiction