MTL - After I Was Reborn, I Devoted Myself To My Career - ~ Work related

To save a doomed fantasy world, I killed the main characters, then destroyed the game world, and fell into another timeline as the academy's top seat and rival to the protagonist.Now, I'm trying to save the world and steer it towards a better ending…But I'm the final boss.

A supreme expert in the Immortal World had died, and a strand of his soul returned to its original body on Earth. Tang Xiu discovered with amazement that ten thousand years passed in the Immortal World, yet only a single year passed on Earth.

Ruthlessly betrayed by his lover and trusted friends, Tang Xiu found that his soul went back to his previous body on Earth, and, despite he spent 10,000 years in the Immortal World, just a year has passed on Earth and many things have changed. Having an unsurpassed knowledge, Tang Xiu will protect his loved ones and go back to the Immortal World to take his revenge.

- Description from Novelupdates

One week before the destruction of the earth, Xiao Yu fused his soul with the main computer of an interstellar spacecraft, and fled before the destruction of the earth.

After the integration with the computer, Xiao Yu possessed the powerful computing power of the computer, but also possessed powerful innovation and exploration capabilities as a human being. As a result, the humble interstellar spacecraft in which Xiao Yu lived began to continuously evolve from a chemical engine to a nuclear power engine, and from a nuclear power engine to a positive and negative material annihilation engine. The volume and mass also began to increase. Big.

With the continuous development of science and technology, Xiao Yu also began to try to build a true interstellar super fleet that integrates attack, defense, exploration, landing, and acquisition …

- Description from Uukanshu

I woke up in this world with a System and a sword. Without hesitation, I chose to complete the princess’ quest with my weapons: Arrogance. Cunning. Pride. I will lead guild Sol Invictus. Denizens of the 7 hells, respect me. Servants of the 11 heavens, know fear. Guild Invictus, know the suffering of training so you can wrest victory from the jaws of those who dare doubt you.

This is a story about a snake named Tycondrius waking up in a fantasy world of swords and sorcery. There is action, violence, unapologetic murder, and arrogant displays of power. There is an emphasis on combat growth as well as psychological growth on more than a few members of Guild Invictus. There is camaraderie and also the inevitable comedic dialogue amongst manly men. There are even elements of romance and Tycon running away from terrifying, powerful women. (Did you know most female snakes eat their partners after mating?)