HP: the Wizarding World Needs Brainwashing

In 1990, an owl brought a letter of admission, breaking the secret Aether Easter had kept for 11 years. He must admit that his essence is a wizard, and the essence of the world is idealism, no matter how much he loves the Muggle world. Hogwarts was not his home, it was just a seven-year journey. He's confident that he knows enough about the wizarding world, but the first day of school, no, it hasn't even started yet! That wizard whose essence is Obscurus, what kind of trouble do you want to cause! ! !