MTL - Global Reincarnation: My Own Story Library - v10 Chapter 4 Calculus Center VS Lucky + One

I dedicated 10 years of my life, focusing solely on regression.[Authority: Death Regression has naturally been nullified.

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

Existence was divided into three realms. The Heavenly Realm. The Earthen Realm. The Infernal Realm. Below them, countless minor realms of all types existed, none able to match the might of any of the Three Fundamental realms. The Celestials led the Heavenly Realm, The Immortals led the Earthen Realm and Demons led the Infernal Realm while the Rulers controlled all the minor realms. Together, they formed The Myriad Unity and allowed peace to reign supreme. The mortals were allowed to cultivate and reach for the Heavens as a balance was installed between the Heaven and Earth, all according to the Heaven’s Will. And yet, among the billions of trillions of living beings within the Myriad Unity, one seemed unsatisfied. “They are lying to us.” This man went against all known truths and contradicted the very gods. “We are in a false world! Mere pawns used to study an outcome!” And so in search of freedom and truth, this man committed the ultimate taboo. He rebelled.

There are times when you’ll still never be good enough no matter how hard you try.

Born with a frail twin sister, Li Caiyi gives most of her time to take care of Li Chunhua. Her parents and older brother trust her to take care of her sister, yet Li Caiyi can’t help but feel the disparity in treatment and affection given to both of them.

In her whole life, she has never become anyone’s first priority. Not in the heart of her family, and especially not in the heart of her childhood friend, the Young Master of Meng family, Meng Renshu.

When Li Caiyi became Meng Renshu’s wife, Li Caiyi thought she could finally become someone’s first priority, but everything fell apart in just three years.

She decides to let everything go. Then she meets Shen Qiang in the most unexpected place. No one wants to accompany her in her life, yet this stranger offers to accompany her in death.

“Do you want to jump together?”

When she opened her eyes, Li Caiyi had gone back to her high school times.

This time, she won’t make the wrong choice again.

But where can she find Shen Qiang?!