Harry Potter: Get a Five-Star SSR at the Beginning

As someone who came back from a hundred years later, Rachel is familiar with the direction and ending of the story. In order to cause trouble before the war, she chose to enter Hogwarts without hesitation and rushed into the center of the storm. In order to achieve her goal, she made three basic policies: stay away from the Savior, stay away from the trio, and stay away from the Order of the Phoenix. However, on the express train on the first day of school, she suddenly discovered that the boy she met briefly in Diagon Alley was actually Harry Potter? Damn it! What kind of damn luck is this! A five-star SSR at the start?