The main CP of this article is HP/SS. I don't really like the article about the protagonist traveling through Mary Sues. This is the author's first work. After reading too many articles, I will try it myself. Hehe... [Scratching my head], just make do with it... In this article, the background is not the wizarding world. Harry will be a junior high school student, and Snape will be a chemistry professor. Well... Those who don't like it should beware...