MTL - Girlfriend Needs To Be Coaxed Every Day - Chapter 39

“Even in oblivion, you all shall tremble at the demon that lies beyond...”---Beaten, betrayed, discriminated against, and then sent into hell. Those were the words that defined Khan's life, if he ever bothered to think about it.In a cold world where the hearts of people surged in preparation for the next cataclysm that had the potential to wipe out the entire world, who had the time to care for a feeble, golden-haired anomaly with no memories of his first ten years?Sent away from the orphanage with the mission to end his life, fate was still not satisfied with punishing him enough.He found himself in front of a demon god who raised children into killing machines, known to complete every mission irrespective of the danger.Among a group of madmen, he was the maddest, given the name “The Hollow” due to his unfeeling attitude.But in essence, all he ever needed was a place he could call home and when his life flashed before his eyes and he awakened his memories, he embarked on that path.-----“My origin might be ten thousand light-years away from Earth, but even if I have to walk on the corpses of a million to reach it, then so be it...”-----But now he won't be walking this dark path alone:[Congratulations, the Host has successfully fused with the system.][Congratulations, Host has awakened The Bio-Nanotech System!]--------[Also Check Out My New Novel: Infinity Guardian System]

An ordinary young man on earth, Xia Feng, traveled to a world of sword and magic, and took the body of Lucien Evans, another ordinary young man.

A scientific genius named Thomas Harrier was transmigrated to an imperial prince body after a car accident that took his life. He found out that he is in a world similar to our own with a timeline akin to early twentieth century. The body that he is occupying was the imperial prince of a failing empire who suddenly rose to power after a successful assassination attempt of his father. Unaware that the attack is just the beginning of what is to come. He faces many challenges throughout. Will Thomas Harrier be able to live his second life in peace while running an empire and getting it back to its former glory? Or will he succumb into a conspiracy lurking within the country's borders?

Expect some:

Cold war era techs.

Super battleship with advanced electronics, propulsion, and fire control systems?
Helicopters?
Missiles?
Modern medicines and equipment?
AC-130?
A nuke?
Challenger or Abrams or Leopard?
F-4 Phantom or MIG-21?
Colored TV's.

Everything!!!

PS. Cover not mine, I just found it on google.

In the twenty-ninth year of the First Emperor, Bo Langsha was attacked.

When Ying Zheng merged the memories of the 21st century history doctor, looked at the mighty mountains and rivers in front of him, and said to himself, “In this life, my Daqin can’t die!”

- Description from novelbuddy