From A Stronghold NPC To The Final BOSS - Chapter 578 -

‘Seoul 2056’ is set in a world that has fallen into chaos due to the spread of mutant viruses and the rebellion of androids. A hidden scenario was opened when all the endings were collected for the first time in the world.In a world where everyone’s body has been modified into a machine, and all kinds of monsters and hunters run wild, the only privilege given is [pure organism] , which is impossible to modify. In the apocalyptic cyberpunk world that has become reality, a veteran’s hellish survival story of being possessed by an F-class hunter!

Legend says that Star World’s million Star Names are passed on in the form of young maidens as famous existences in the Three Thousand Worlds.Henceforth, Chen Mo heroically says as he brandishes his massive weapon at the heavens and shouts towards the beautiful but aloof Chen Qingzhi, towards the tyrannical Caesar, the tsundere Xiang Yu, the yandere hi*ler, the extraordinary Chen Tuan, and other girls.“My big stick’s hunger already can endure no longer…”

He was once the most feared villain in the empire, a master of manipulation who wove chaos from the shadows. Ruthless, untouchable—until the day he was betrayed and executed by the very man he sought to control.But death is not the end.He awakens in the body of Lady Elara Valcrest, a fragile noble girl doomed to be a pawn in political games. Stripped of her former power, she is forced into an arranged marriage with none other than Cairon Everhart—the man who once killed her. He does not recognize her, but she knows him. And she will never forget.To survive, Elara must play a new game. One where deception is her only weapon, and trust is a dangerous illusion. She must outmaneuver her enemies, uncover the truth behind her execution, and reclaim the power she lost. But as she navigates the treacherous world of court intrigue, one question lingers—Was Cairon truly her greatest enemy? Or had she been blind to an even greater threat?Time is running out. The villain has been given one last chance. And this time, she refuses to lose.

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates