MTL - Rich Devil - Chapter 590 , Seiya

“What kind of guardian would you want to be? the one who destroys everything or the one who protects everything?”

Jason, one of the many casualties during a nuclear explosion gets the chance to reincarnate into another world due to his deeds during the war.

He gets tossed to another world due to ending up with the Shadow god as his patron, something deemed impossible.

With a system to guide him in the world of Clover and a family jinxed through the generations, his adventurous life in new world begin.

A mysterious force has descended upon Earth, giving birth to another terrifying civilization. At the age of eighteen, everyone is forcibly sent into the Horror Game World. While people struggle to survive, submerged in fear, Qin Nuo discovers a unique ability: by influencing the emotions of ghosts, he can earn rewards from the system. Moreover, with each completed mission, he can establish his own enterprises within the Horror World.Thus, Qin Nuo's journey begins:Working as a server at the Nether Springs Restaurant,Serving as the attending physician at the Death Hospital,Becoming a waiter at the Netherworld Hotel,Teaching at the Terror Academy...As Qin Nuo zealously completes one mission after another, he eventually realizes that he has become a formidable figure in the realm of ghosts.

Synopsis: Apocalypse King: The Return of LucianLucian died in the apocalypse—betrayed, powerless, and consumed by the undead. But fate gave him a second chance. Reborn one month before the end, he awakens with future knowledge, an overpowered system, and a ruthless new personality.This time, he will not be weak. This time, he will rule.With Infinite Storage, he stockpiles weapons, food, and everything necessary to survive the apocalypse. Winning the $3 billion lottery, he builds an impenetrable super shelter, reinforced with military technology, luxury, and high-tech defenses. Using his Beauty Evaluation System, he gathers only the most stunning women—90+ points or higher—into his harem, ensuring their unwavering loyalty.As zombies evolve, superpowers awaken, and the world crumbles into madness, Lucian will steal, conquer, and dominate.No gods. No heroes. Only the Apocalypse King.A brutal, R18+ tale of survival, power, and harem in a world where the strong take everything.

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