MTL - The Rise of Space Technology - Chapter 47 , Incredible Genetic Weight Loss

The Immortal Path led to Longevity and Sovereign was heading in ease. When the Longevity was no longer in ease, all living beings were just prisoners. Conspiracy, internal strife, and the invasion of the others, all of it emerged together. 

In such a world, there was such a young man. He made his way upstream, stepping on blood, defying the emperor, destroying the various kings, and slaughtering his way through the hundred clans to form an Immortal Path towards the throne of Sovereign! The Immortal Path was endless, while the Sovereign was limited. He used his blood to forge his immortal legend.

- Description from Novelupdates

A prestigious senior mechanical engineer in the industry, Xu Yi was sent to a world dominated by magic.

In a world with an almost non-existent industrial system, how can Xu Yi display his value?

When magic collides with modern technology, when magic merges with machinery, that is the beginning of this story.

As the owner of an ordinary bookstore, Ling PingAn’s biggest wish was to muddle through life and do absolutely nothing.

On one fateful day, Jareth Blaze died an extremely horrible death.But fate has some other plans for him; he got transmigrated into the body of a weak third-rate villain in a role-playing game.He thought it would be difficult to survive as a villain with this weak and arrogant body, but for some reason everyone misunderstood him.They thought of him as a strong person and feared him.'What are you looking at me with fear for!? aren't you the protagonist of this world!?'(No harem here!)[WSA entry 2024](Shares the same world with my other novel, Reborn as an extra)