After Being Reborn, I Tortured The Vicious Sister-in-law - Chapter 45 - What a Coincidence

A thousand years ago, the world shattered.Mana surged into existence, rewriting reality itself. Dungeons tore through the land, birthing monstrous horrors, while beasts mutated under the influence of Primordial Ki, evolving into unstoppable apex predators. Humanity was on the brink of annihilation—until the Awakened emerged, wielding supernatural power to defy extinction.Yet, in this brutal new world, strength reigns supreme, and weakness is a death sentence.Amidst it all, Azvoid Larkson—a nameless figure among the countless struggling to survive—awakens a power beyond reason. A power tied to ancient, forgotten dragons—beasts feared even by the strongest Awakened.With each battle, he ascends. With every dragon he tames, his legend grows.In a world where only the strong thrive, how far can one man rise?

A supreme expert in the Immortal World had died, and a strand of his soul returned to its original body on Earth. Tang Xiu discovered with amazement that ten thousand years passed in the Immortal World, yet only a single year passed on Earth.

Ruthlessly betrayed by his lover and trusted friends, Tang Xiu found that his soul went back to his previous body on Earth, and, despite he spent 10,000 years in the Immortal World, just a year has passed on Earth and many things have changed. Having an unsurpassed knowledge, Tang Xiu will protect his loved ones and go back to the Immortal World to take his revenge.

- Description from Novelupdates

Xue Xi is forced to fall in love at first sight with this dangerous man on their first meeting. With death being the only other option, she makes the first move:

The world is full of mysteries. Strange, seemingly unexplainable events occur more often than we may realize. A young boy may catch an illness no doctor can explain. An office may catch fire for no apparent reason. And perhaps, someone may die a sudden and unexpected death – their bodies blighted beyond recognition.