Revenge of the Sixth Young Lady - Chapter 596 - The Night is Soft, the World’s Son is Ambiguous

Lingyun, a fierce and savage cultivation genius takes over a dead teenager’s body. Coincidentally, they are both named Lingyun. Set in a alternate version of the 21st century, teenager Lingyun has been killed by someone with a grudge.

- Description from Novelupdates

The young man of the Qin Residence, Qin Qing, suffered a brutal betrayal by his beloved, his Martial Soul was consumed.Yet, by a twist of fate, his Soul Palace was rebuilt, and the Dragon Soul awoke within him.From then on, the young Qin Qing stepped out of Tianjue City, Sky Stepping the proud sons of heavens and defying fate, he overpowered his contemporaries, ascending to the pinnacle of Martial Arts one step at a time.

Apocalypse befell, and roommates performed a skyward ritual.As the fog descended, the Book of Blood Spirit appeared in the hands of all survivors, and only those with a Contract monster could survive.Su Han directed his gaze to the neighbor who had already mutated and twisted, silently pulling out a gleaming fruit knife...Grotesque meat corpses, giant spiders with gaping mouths, eyeballs enveloping the city, one-eyed sharp-toothed hand monsters...Civilization fell, cities shattered, and all humans became meat for the monsters. There was only one way to survive:Use monsters to fight monsters.

Fade was a legendary assassin that could kill just about anyone, as long as the price was right and the reason was just.

One day as he was reminiscing about his life when he lost someone important, he fell asleep. When he woke up he was in a weird place, a different body, a different world.