Harry Potter's Cousin Dudley at Hogwarts

Introduction: Male protagonist CP Lucius Malfoy, next year Harry CP Draco, other CPs unknown PS: CP can be unpopular but not evil, but this article is not included, this article is both unpopular and evil!I was reborn and regained my memory. I thought I was just an ordinary time traveler. I didn’t expect that time travel became Harry Potter’s cousin in the movie, and he also became a wizard unexpectedly. Therefore, there was a wizard named Dudley in the Harry Potter world. He followed Harry to Hogwarts. Will the world be different because of him?Because of Dudley's intervention, will those tragedies still happen? PS: This article is more for self-entertainment, the author has let himself go