My Brother Is Actually the Mastermind Behind Hogwarts

Wayne came to the magical world and became the brother of Hermione, the "perfect lady". He originally just wanted to enjoy life and appreciate the splendor of the magical world. Who knew that by accident, he would become a big boss in the magical world. "Malfoy, listen to my advice. You can only be a minion of the devil. You can only become a devil by killing the devil." "Harry, your birth is a miracle. You should hold your destiny in your own hands instead of becoming someone else's pawn." "Voldemort, immortality depends on dividing the soul to survive. I have a secret book of immortality here. Seeing that it is destined to you, I sold it to you for ten galleons. From now on, the task of maintaining peace in the magical world will be left to you." … This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.