MTL - Ultimate Assassin System - v3 Chapter 947 The first person in the world

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

After being kicked out by her family, she turned out the real heiress worth billions, and people around her got to know it.Her family regretted deeply and demanded half of her fortune as repayment for bringing her up. She sneered and used a truth-telling talisman to expose their plots.A scumbag had always been pestering her and wanted to get back together. She easily made him “meet his ancestors” every night.Moreover, her cousins had looked down on her, regarding her as a disgrace.Surprisingly, the chairman of a rich family came to her and said, “As long as you can save my daughter, I'll meet all your demands!”Another rich family, who had been at feud with her new family for a long time, also shamelessly came over and said, “As long as you can help us, our family will be very grateful for the kindness of your family!”Later, even the rebellious cousin became her follower, claiming, “She is my only sister! Whoever dares to insult her, I will curse their entire family!”Her new family finally realized that their little poor girl was actually a big shot!“I need to draw spells, get rid of evils, save people and chase that guy! How busy I am!” She said in distress.That guy, “Actually, you don't need to chase me. I'm already yours.”