is it okay for an antagonist to save the world?

Year 20XX The dimension between the human world and the demon world was split open, and the two worlds became connected. As a result, demons and magic appeared in the human world. Therefore, to help humans who are struggling against demons, The strongest angel in heaven, Samuel, hid his powers and entered the human school of magic and began to fight together to save the human world from the destruction of the demons.

Valhallah, the game that is expected to revolutionize the world with its full-dive experience which basically takes players into a new world is set to launch their beta test. A talented professional gamer, Wesley Kingston is one of the few people who had the opportunity to join the beta test program. However, an incident that can only be expressed as nothing less than a miracle threw Wesley into the world of Valhallah. He soon finds that Valhallah was very much real. This raises the stakes of his predicament. The world was brimming with many dangers lurking in every corner. Trapped in a world where gaming is no longer a pastime but a fight for survival, Wesley must use his past gaming experience in this new world if he hopes to survive and reach the very end.

The balance between chaos and order was upset when the most powerful creature in the city, Oliver Stone, killed one of the vampires as a warning to them, as he thought they had stolen the one thing the Vatican trusted in his hands—the ring of the damned.   In a world where mystical creatures coexisted with humans undiscovered, Oliver Stone was born to balance both chaos and order because he was born of two oppositely powerful creatures that he wasn't aware of.   What happens when he fails to perform his duty and everything he tried to prevent becomes his reality?  

Fujimura Minato, a college student is whisked away to another world on his twentieth birthday after falling into an abandoned well. He arrived in a world called Engrassia where he and some others were summoned to become part of elite warriors whose sole aim was to destroy the evil Overlord and save the seven kingdoms from impending doom.

The modern world only seeks to shackle the strong binding them with chain like rules, all so the weak can have a chance to survive. Drake Brand is a normal seventeen year old studying hard for his university entrance exam. One day his entire life is thrown into chaos when an encounter with a mysterious shadow ended with him being transported to a different dimension. With getting home as his prime goal he sets out to explore the world of Hunters, Magical Beasts and Souls. However the temptation to let go only grew as his mind is liberated from the confines of the modern world.

"It's over between us, Dylan, Don't you get it. I'm not in your class anymore..." "You're too broke for me. It's over..!!" Dylan was devastated after his four-year relationship ended abruptly. He couldn't help but think of all the efforts he had put in to make it work, only to be cheated on by his partner with a wealthy classmate. Dylan at his lowest received a notification from an unknown system. "Host detected!!" "Congratulations! You're the luckiest man among billions. You are chosen to be the Ultimate ruler of the infinite world!" "Initiating system pairing, paring begins!" "20% 50%...... 70% System paring according to host needs." "Analysis complete!!" "Transaction begins......" "Wow!! I'm definitely the most richest man in the world. I will repay all those that have hurt me!!"

Only after getting poisoned by his girlfriend did Ernest find that he had wasted his life on the wrong path, sacrificing just to be betrayed. Lying in his own blood puddle, Ernest just wished to have another chance, and he would do whatever to survive. A system called Ultimate Survival System had heard his wish. Ernest survived from the poison. And from then on, Ernest started his new journey—spending money to gain more days to live, or… earning 100,000 USD to exchange 1 living day. But it wasn't the only thing Ernest had to face….

After coming up with this amazing role playing adventure game idea, Eric Claus had an accident while he was going to pick up his daughter, Jodie from school, and it resulted in him entering into a coma, and also finding himself in a mystical world, exactly like the one he was creating for his game. On his quest to know how he got there and how to return to the real world, he realizes that he has actually entered his game world and now he has to survive every stage and challenge of this world in order to return home. So his fate of coming out of coma was in his hands, whether he lives or dies all lies in his ability to fight and survive the dangers of this world. Would he be able to survive and return to his beloved daughter?

Fantasia World is a place filled with various kinds of races. What makes this world even more mysterious is that in this world people can awaken their talent and can wield power that ordinary people can only look up to. John was transmigrated to Fantasia World and he almost died if not for an Adventurer group saving him. But after he was saved he realized that this dangerous place was full of opportunities to live a life that he could only think of in his previous world. Read more to know about the story. P.S- IF YOU LIKE THE STORY THEN REVIEW IT PLEASE.

After witnessing more than half of the earth being wiped off, Fatima must learn to survive on her own in the strange planet: kedran. But it's hard to do so when she's a girl with a maimed leg having no survival skills. Journey with her as she passes through a shocking betrayal fit enough to shake the galaxies beyond. A loving father, a two-faced brother, a friend turned sister, a strange witch all contributed to her experience. A tale of courage as she battles her way up the power ranks of the kedran instinct to become the Emperor's personal assassin.