Hogwarts: I'm the only cultivator here!

Original title: Hogwarts: I'm the only one who cultivates immortality
Alternative title: Hogwarts: This Chinese student is acting strangely
label:
Tags: fanfiction, time travel, system, fanfiction
Main characters: Ye Feng, Hermione
Synopsis: "Ye Feng! How many times have I told you not to use sword control to fly on a broom! And you're absolutely forbidden from stealing Hermione's wand and using your own wand as chopsticks!"
This is a story about a time traveler who single-handedly distorts the art style of Hogwarts; this is a story about how the Hogwarts higher-ups frantically change the school rules just to restrict our protagonist; this... should be an interesting story.