In 1992, Matilda Weasley, a curse-breaker in Egypt, received a letter inviting her to return to Hogwarts to teach Defense Against the Dark Arts.
After five years, 23-year-old Matilda returns to her alma mater, Hogwarts.
In the first year after returning to China to teach, the legendary secret room was opened.
The following year, Black, an Azkaban felon, escaped from prison.
In the third year, the Triwizard Tournament, which had not been held for a century, was restarted.
The fourth year, #*^~%¥#&%^
…
Matilda: I just taught Defense Against the Dark Arts for a year, why did everything happen to me...
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It is assumed that Matilda is a native, the eldest daughter of Weasley, CP Sirius, who teaches Defense Against the Dark Arts in the first year, and then teaches Ancient Runes.
Intention: Do one thing at a time