A Nexus Devil - Chapter 50: A Nexus Devil ( - :Harry and Hermione.)

Liu Yan, an ordinary office worker from Earth, unexpectedly traveled to a strange world.

The heroes of the ages are on the side, embarking on a journey to conquer the heavens.

- Description from novelbuddy

In the cutthroat world of Westeros, where power is a game and everyone's fate is a pawn in a deadly chess match, Gendry is a nobody with a secret that could change everything. A bastard with the blood of the Stormborn coursing through his veins, he's been thrown into the scorching heart of a blacksmith's forge. Here, he'll face the trials of iron and fire, learn to hide his true identity, and carve out a path through the treacherous whirlpool of power.As the shadow of the Spider spreads across King's Landing, Gendry's fate takes a dark turn. Can he survive the deadly game of politics? And will he find his own glory amidst the forge's flames?

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

Shao He, heir to a family renowned for medical and poison skills, a top special agent of the 21st century, unexpectedly transmigrated into the body of a pathetic Madam Marquis who had been tortured to death! And on that very night, she was thrown into the Mass Burial Mound!Looking at the newborn in her arms, Shao He resolved to live a splendid life in this foreign world!From then on!She was the Divine Doctor who aided the world!She was the fearsome Poison Queen!She possessed wealth to rival nations!She was also an astonishing scholar!And the Marquis, filled with regret, wished he could kill himself on the spot, “He'er, I was wrong, you...”“Shut up, I am now the Empress!”