I Became Invincible After Sweeping The Floor For 70 Years - Chapter 190 - The Might of the Five Feathers Fan

Four years ago, the first-ever Armageddon Class Anima appeared on Earth, destroying everything that it touched and threatening the lives of the entire world's population! But along with it came Superhumans that had the blessing of mana. They rose up to fight against the Armageddon, and leading them was the strongest Superhuman, KING.After two days and three nights of nonstop battle, KING gave his life to stop the Armageddon and give the Superhumans a fighting chance against the invading Anima, and everyone in the world remembers his good deeds and sacrifice!...Mark was just an average Superhuman living in City A. His daily routine was skipping classes and hanging out with his only two friends while hunting for Anima in secret whenever he could. But this easy life was not going to last for long as the hidden power he sacrificed a long time ago began to awaken once more![Initializing Superhuman System...][Recognizing Host... Host Recognized.][Parsing Constitution. Host Fully Healed. No Traces Of Residual Damage.]“Hello once again, Mark Vanitas. Has it already been four years?”

What happens when a scientist from a futuristic world reincarnates in a World of Magic and Knights? An awesome MC is what happens! A scientist’s goal is to explore the secrets of the universe, and this is exactly what Leylin sets out to do when he is reincarnated. Dark, cold and calculating, he makes use of all his resources as he sets off on his adventures to meet his goal. Face? Who needs that… Hmmm… that guy seems too powerful for me to take on now… I better keep a low profile for now. You want me to help you? Sure… but what benefit can I get out of it? Nothing? Bye. Hmmm… that guy looks like he might cause me problems in the future. Should I let him off for now and let him grow into someone that can threaten me….. Nahhh. *kill*-

Alternative: Leylin is transported from an advanced technological era into a medieval world— except there’s magic. Equipped with “only” his quick wits and an A.I. chip fused to his soul, he sets out to become the most powerful magus the world has ever known. In a land divided into the Light and Dark Magi, the weak can either be cattle or disposable slaves. Only the strong can determine their lives, and only they have the luxury for virtue. Yet strength is only a tool for Leylin, like any other. His goal, in the end, is his own.

I lived for you in the last lifetime, everything I did was for you, yet you wanted me to die; so, this time, life is mine to live! This world lied to me, betrayed me, and humiliated me, and I am back to change everything!

- Description from Novelupdates

Elijah unexpectedly travels back to the day when the virus broke out. Confronted with his zombified roommate and the perilous situation of the roommate's girlfriend, he decides to take action. In this post-apocalyptic world, he vows to become the strongest man and create an incredibly secure refuge.

The story begins with Elijah's rebirth as he discovers the opportunity to change the future. He becomes close companions with his roommate Bella and her husband Alexander. However, when Alexander is infected and turns into a zombie, Elijah must act decisively to protect himself and Bella.

Elijah awakens to a supernatural ability called the “Seed of Consciousness,” which allows him to control zombies, becoming his weapon for survival. He uses this power to strengthen himself continuously and seek the path of survival. However, his relationship with Bella starts to undergo subtle changes, forcing him to confront emotional challenges.

As the story unfolds, readers will immerse themselves in gripping plots and complex character relationships. Elijah's growth, struggles, and emotional development with numerous women in the post-apocalyptic world form the core of the story. It's a world full of challenges and opportunities, and Elijah's narrative is about continuous growth and overcoming oneself, showing readers the hardships of surviving in the apocalypse and the complexity of human nature.