is it okay for an antagonist to save the world?

"Greediness comes with a price. It will bear the fruit of vengeance." As John Percy survives the murder attempt by his in-laws, he swears vengeance. He will do everything to take the life they took away from him. Along came the Grim Reaper of the AI Industry, Hyalou Jean Porter. She assured the O'Briens will feel the highest scale of the pain of suffering, an offer that John Percy can't seem to refuse. But the offer has a price of its own.

The weak and poor nerd. That’s the nickname of Rex Hart, a talented and hardworking young man, but bullied by people for being poor. They never imagined that he was the heir to a super-rich family. After enduring the humiliation, Rex decided not to hide anymore and reveal his true identity to the world!

Despite being dedicated to his job for several years, Asher Parker, a master mechanic, continues to be looked down upon and mistreated. Asher is only paid below the minimum wage standard. As if fate truly hates him, Asher discovers that his girlfriend, who has been taking most of the money from his salary, has cheated on him and broken up with him. Amid his despair, Asher experienced something out of his mind. His life was about to change drastically. [RING!] [Do you want to accept the consortium system? Yes/No] [Open mission: spend all the money available to change your fate. Become a super urban man!]

Sebastian Cole became homeless after his wealthy-mafia family was accused of fraud. After ten years, he finds his fiancée married to another man. Sebastian is about to die when he suddenly hears a voice... [Ding!] [System installation begins] [10%] [30%] [80%] [100%] [Congratulations, Sebastian Cole, you have unlocked the God's Legacy system!]

Kaizer Jin, on day 11,024 of surviving in the crazed frozen world looked at his final seconds as he was being devoured alive by an evolved creature called Silver Ice Dragon, he was nothing but a weak person but he managed to survive till this day attaching himself to a group of kind people. Yet, at this day, they were all killed. He had witnessed many people die before him, those who had protected him at the cost of their own lives, those who had loved him and given him their food. They were a group of outcasts who would not bend to the rules of the corrupted. How did all of it happened? It was nothing but a normal day, but suddenly, the world had gone cold, and it kept growing colder. It was so sudden when in the middle of summer, snow started pouring nonstop, till even ice dropped from the heavens. It was the start of how civilization halted, like the world frozen in time. After a year, people also evolved, trying to survive, and gaining powers they never knew were possible. Even monsters started to evolve, creating a new era, an era of the frozen world, its rebirth! He stared at his comrades lying on the ground. What was once a group of 450 people was now dead, being eaten by frozen dragons. As he closed his eyes, he heard something. [Frozen World Rebirthing in progress!] [System activated! Power gained!]

The entire Carmichael family looked on in curiosity as the convoy of Fords rolled into the mansion's grounds. It looked like a King was making his entrance. The cars came to a stop and a driver ran over to pull the passenger door open. Luke stepped down from the car and shocked silence swept through the Humsworth family. He looked at them, a smug smirk curving his lips. "L-luke?" His wife, Fiona, stuttered. "In the flesh. Hello, in-laws, your wretched son-in-law is finally home…" *** What would you do if you were insulted and shamed by your wife's family for being poor, but one day, you discover that you're the heir to a lost fortune? Luke Bradford is the average, wretched son-in-law of the rich Carmichael family. He is shamed, disgraced and abused by his wife's family until one day, he finds out that he's the heir to a Diamond empire running into trillions of dollars. Luke returns with one thing on his mind…to take revenge on every single person who dared to hurt him in the past, but the Humsworth family have also vowed that a low class peasant like him will never lord over them. Taking a path through drug money, lies, deceit, treachery…and even the deadly mafia, will he succeed, or will the sneaky Humsworth family clip his feathers before he can even fly?

Russell Bennett, a jobless lover, always got the short end of the stick. He still thought his love would triumph over his poor luck. However, his love then squeezes him like a lemon and drinks his happiness dry and incessantly harrasses him in very many ways. Will he give up fighting, or will he look in the mirror and face the problems? Witness the life of an ordinary young man with an extraordinary future!

Nathan Anakin's life is about to change for the better when he finds out that he is the last of the powerful and wealthy Anakin household. Now, he is going to use all the wealth to win his wife the position of her family's head by helping her take over her family's business, and he's going to prove to his in-laws who hates him that he is finally successful.

“How dare you, a pauper, mock us?” Ava asked, her tone condescending. Damian raised a brow and looked Ava in the eye. “No, Ava. How dare you mock me?” *** After a humiliating rejection and a divorce agreement from his wife, Ava, Damian Giovanni Smith was tossed out in the streets, and mocked by everyone around him, leaving him with nothing. And Ava? She was engaged to the rumored heir of the highest-ranking family in the country, Carson Ferremento. As Damian thought that his life had already ended, suddenly, a man in a suit approached him. “You're the real heir of the Ferremento family, and I will help you reclaim your power, young master.” With the sudden wealth and power at his fingertips, how would a fallen son-in-law like him retaliate?

For years, Leon Jensen fought hard to regain his rights as heir to the Jensen family. He lives separately from his family and lives a life far from luxurious. One day the butler of the Jensen family told Leon that he had passed the trial from his family and got his rights back as the heir. Leon thought that day would be the end of his suffering. He also planned a special dinner with his wife, Claire. Something unexpected happened, Claire asked Leon to sign the divorce agreement. Leon was very surprised, but agreed. "Leon, I just want a real man, I don't want a gigolo! Being a man who has no ambitions and life achievements is the same as living like a gigolo!" Claire always looked down on Leon because her ex-husband was just a poor and useless man. Until Leon's true identity was exposed and everyone who insulted him regretted it.