Armed With a Multiverse Trading System, the Real Heiress Is Reborn

[Real and fake heiresses + satisfying revenge + reborn + System + mysticism + face-slapping + sweet 1v1 romance] (Full title: With the Myriad Worlds Trading System in Hand, the Real Heiress Goes on a Rampage After Being Reborn) Xie Xu was beaten and scolded by her parents from a young age. She dropped out of school as a little girl to work and support her family, paying for her older brother's education. Then one day, her biological parents found her. They were wealthy members of a prominent family. She thought she would finally have a good life, but... The fake heiress cried, and Xie Xu was scolded. The fake heiress got hurt, and Xie Xu was punished. The fake heiress fell in love, and Xie Xu died miserably. Fine. She was done being a cannon-fodder supporting female character! In her next life, Xie Xu left the Xie family with the Myriad Worlds Trading System in hand. Her scumbag father, scumbag brother, and fake heiress could all get lost. But... why was this world so different from what she'd imagined? Monsters, ghosts, and mystics were popping up unexpectedly, hidden among ordinary people. With the Trading System in hand, Xie Xu thrived in this prosperous age and became a beacon of righteousness! Everyone: ??? She was supposed to be a cannon-fodder supporting female character, so why was she living such a dazzling life?