MTL - Unbridled Medical Expert Consort: Demon Prince, Be Good - Chapter 5 I naturally have to repay you.

The flicker and a lonely soul named Ye Zan came to the world that seeks immortality through civilization progress. He thought that he could enlighten everybody, but nowadays people are neglecting it.

The remnant soul even named itself “The lonely soul of Dao Zu’- but still could not find the body that was ready to incarnate it. “Well’ it thought, “ I still have technologies!”.

Do I need to master anything? SO EASY! I could just surf it on the internet.

Do I want to be a genius? SO EASY! I Just need to get some genes of genius.

Do I want to go around the world? SO EASY! I just need to launch my own satellite!

Everything is SO EASY here! -Alchemy, refining, magic symbols, different lifestyles- with the help of technology, they are SO EASY!

Technologies are not a panacea, but technologies can make life better, so Ye Zan decided to put down his roots in this weird place. Science and technology can strengthen the country, science and technology can also strengthen the spirit, Watch the journey of a lonely wandering soul under Ye Zan’s control and witness- what it takes to become a real master of science and technology.

- Description from Novelupdates

21st century kid got onto a virtual game 600 years into the future, with a freak combination of events gets to play as a NPC!

The first system job is to undertake the roles of helping new players create their character. Want to choose as one of the hidden race? OK, this is a slavery contract, up to you to sign it or not!

Entering the game as a player and creating a personal game character, the only advantage I have… The choice of selecting a powerful race!

Walking alone to the peak, bringing the present world to advance by leaps and bounds, the abnormal path starts from this first step!

- Description from Novelupdates

Have you ever wondered what lies beyond what you perceive as your reality?What lies beyond the “truth” that everyone around you tells you is “just the way it is”?Have you never pondered on what your limit is in this life of yours? “Can I go further? Can I do more?”And yet you end up settling when you think you have reached that “limit.” But why? Why should you settle? There is always going to be something further, something 'beyond'.This is a story about a boy named Azmond who was reincarnated from planet Earth into the Cultivation World of Asterion... A world where the strong rule and the weak are forced to kneel. If Azmond wishes to gain power in this new mysterious world then he must be willing to sacrifice more than anybody else, he who wants to know just how far he can go, a boy with the sole goal of attaining power above all else.Little does Azmond know, that there is a price to pay for everything and that price will be painful, so very excruciating that every fiber of his being will wish for death... but Azmond will continue. He will persevere until he can't anymore... For that is his will.

Xiao Ze, who was dedicated to the people and vowed to become a generation of Ming Jun, accidentally fell on a little lady.
The little lady was born beautiful and lovable.
So Xiao Ze accepted his life and got the name of fear.

ps:
①The male protagonist has no concubine, and he is dedicated to serving the country.

- Description from novelbuddy