MTL - The Rebirth of the Financial Hegemon - ~ please explain

Chu Nan is born in a cultivation family. But after his parents disappear, he is treated as a slave by his uncle, who takes Chu's blood to help his own son's cultivation and even banishes Chu to a wasteland.However, Chu awakens the mysterious force hidden in his blood and swears that he will take his revenge.“Nine Desolate Profound Transformation Scripture, Devour all demons as foundation, Absorb myriad beasts as blood, Reverse the progenitor of all beings, Create the sole Dao Body within heaven and beyond the heavens!”

The eminent Jincheng Jiang Family adopted two sisters, the younger sister Jiang Fanyue was sensible and gracious, talented and beautiful, while the elder sister Jiang Zhe was ignorant, unaccomplished in anything.When their destitute biological family came knocking, the Jiang Family couldn't wait to pack Jiang Zhe off and keep Jiang Fanyue; the family wealth, reputation, the status of being the heiress, the fiancé—all henceforth had nothing to do with Jiang Zhe.Jiang Zhe stepped into her own family's home, her eyes full of skepticism. Could the precious Tang Dynasty painting on the wall be authentic? Were the bowls used for serving vegetables and soup made from the unique material of gilded cloisonné?What happened to the so-called impoverished family?What, there's also a top-tier fiancé from a leading Beijing family?Can she call off the engagement?The magnate cornered her against the wall, pulling her into his embrace, “What do you think, Madam?”“I'm so poor in studies I fail everything, I don't deserve to join an affluent family.”The magnate pulled out her perfect-score college entrance exam paper.“I'm good for nothing, incapable of everything.”The magnate lifted the veil off her identities as a Divine Doctor, designer, hacker, composer... and so on.He tenderly quipped, “I'll work hard, to prove myself worthy of you, Madam.”【Since my childhood, I have been without desires or demands, but the moment I laid eyes on you, for that brief second, I prayed to the gods and Buddhas—I yearned for you—Qin Jingchen.】

Huang Dan’s pain nerve is innately different from the ordinary people. A little tore in his skin can cause him to sweat all over his body painfully to the point of him unable to make a word out.

Somehow, he began to cross world, following Mr. System to do the tasks…

In the first world, Huang Dan realizes what it means to die painfully and to live to die again.

TL’s summary:
MC suddenly transmigrated and is bind to a system, requiring him to solve mysteries. Born with a higher degree of pain sensitivity, he met different people in the different worlds and learns what kind of emotion smiling is.

- Description from Novelupdates

She is a two-faced and fierce hidden ghost doctor,

Before crossing, she was despised by everyone and is widely known as a “waste”.

The contract of the ancient spirit,

The cultivation speed that rivals the gods,

She will show everyone just how blind they are.

With poisonous powder in her hand, who dares to bully her people! they are looking for death!

What Ninth grade medicine pellet? Her adorable pet eats them like a jelly bean.

He’s so capricious! He who is always coquettish at her named as the “Night Prince”, everyone thought he was cold and indifferent, but why in her eyes he was so difficult, haunting.

“Why are you staring at me like that?”

“I wonder when you will become my woman.”

A fine needle was pressed against his waist, she laughed

“Prince, you keep urging this devil, if this poison really goes in you, you can only be a eunuch in this life!”

- Description from Novelupdates