MTL - The Experimental Log of the Crazy Lich - Chapter 20 Invincible man

Before going to college, an ordinary high school student went to celebrate and got drunk. When he woke up, he found himself in a completely different world. There was a big sect, the approaching sect entrance examination, a slum where his body’s previous owner lived, and a shared memory about a missing young girl.

When he got tangled in a fight with a few punks in this different world, he fell off a cliff and miraculously found himself still alive, with two more voices ringing inside his head. They were Sword Master and Saber Master. In the company of them, he continued to find out more about this whole new world. He took the sect entrance examination, entered the sect, met a strange man in black, and even participated in a major competition of the sect to have a chance to win over his peers!
In this whole new world, he was born again and got to explore the fantastic martial world!

- Description from Novelupdates

Reincarnated into a land of cultivation, Yuan Zhou uses his Earth knowledge and assumptions to become a genius under the heavens for both business and cultivation. However, he walks the path of defiance, exceeding all rational cultivation bounds. His business ideas struggle against the stagnant culture that pervades the land, but the things he doesn't lack are his drive for immortality and power.

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!

She was the eldest daughter of a famous doctor in Beijing. She was the “Cold Hell King” who was feared by everyone in Beijing. In her previous life, she was used by a scumbag man. She caused him, his family to be ruined, and he died in the basement. In her second life, she stepped on a scumbag man, a scumbag woman, and her three brothers pampered her to the heavens! The three young masters of the Jiang family were scrambling to be the first to do so. “Shui Su is my younger sister, I'll pamper her!” A certain young master Fu in Beijing coldly raised the chin of the woman in his arms with jealousy. “Tell me, who are you?” Ye Shui Su’s eyes rippled slightly. “Linnan, I'm your person.” How could he not believe such provocative words? Fu Linnan’s icy hand moved to the woman’s slender waist. “You can’t just say whether you’re one of my people or not.” [Rebirth + Counterattack + Team Pet + socketed + 1v1 + Female Lead Snatch] [Reborn + Counterattack + Team Pet + 1v1 + Female Lead Snatch]