No One Knows Hogwarts Better Than Me

Traveled through time and became Draco. With such a rich family background, what else is there to say? Take off okay. This is not to hug Harry's thigh tightly. After Harry kills the Dark Lord and his younger brother, he will inherit the inheritance of those relatives and live a happy life with Jin Gallon from then on. This plan is perfect, what could possibly go wrong? After all, I have read the original novel, watched the movie, and played the game! No one knows Hogwarts better than me! Etc! Why did Harry's wand choose me? Also, what does it mean that there is no Harry among the freshmen admitted this year? ! What will happen to my perfect plan if Harry doesn't come? !