Shocking! She Returned with a Miniature Bigshot - Chapter 420 - : Happy Birthday

I am the sword.
Killing a man amidst a thousand miles, no one dares take ten steps.
Killing a man amidst a thousand miles, no one can take ten steps.
Killing a man amidst a thousand miles, ten steps? Not possible!
I am the sword, the sword is me,
On the path towards heaven, each shall wield their own.

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

Betrayed by his closest friend.Abandoned by his own family.Tossed into a death labyrinth, waiting for a second, crueler death.Aaron should have died —but fate had other plans.At the bottom of despair, he stumbled upon a sealed SSS-rank Dragon God, chained and forgotten by the world.In exchange for freedom, the Dragon offered him a contract and a new name,Three years of pain.Three years of torture.Three years of absorbing the ancient mana buried under the labyrinth.When Aaron rose again, he was no longer human.He was a Legendary Dragon — the first of his kind, carrying a power the world was never meant to see.Wielding the Beast Sovereign Ultimate Skill, Aaron can tame mythical beasts, spirits, and even monsters birthed from nightmares—and share their powers as his own.The fallen will rise.The abandoned races will follow.And his wives will fight beside him.This time, Aaron will not be a pawn.He will command.He will conquer.He will become a God.Additional tags:No Incest, No Rape,, Harem, No Loli, Succubus, Elf, Angel, Vampire, Cat girls, Dragon Girls, Fox Girls, Monster Girls, Slaves, Princess, Yandere, Righteous Characters, Primordial War, Peak Lore, Gods, Churches, Mana, Transmigration, Devil, Demon, Death, Evolution. Can't think of more clickbaits.

Her parents died in planned accident by her uncle. They used her in every way they can. They planned to sue her so she wont take her fathers company back. They want to destroy her life making her penniless. No one knows that she is the not the same girl who was played as puppet in their hands. Five years changed her a lot. Now she is a hidden genius still acting pityfull to take revenge.