The First Vampire - Chapter 543 - : 541 Doubt_1

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.

The only way to stop the earth’s doom.Is to seduce the girl who is the student council president.

The grandson of the richest person, is just this willful.He doesnt wanna just be a rich guy who spends money for living,At this time, he became a bodyguard of a Beautiful CEO,“Be your temporary boyfriend? Can, but...”“Just show me how can we make a deal, or in other words, what can you do for me?”

After his wife suddenly rose to fame on a variety show and asked for a divorce, Chen Yu left with his daughter with nothing but the clothes on their backs.At the moment he received the divorce certificate,“Congratulations, Host, for unlocking the Divorce Achievement and activating the Perfect Counterattack Life System.”Chen Yu made his way from catering to entertainment, medicine, and the financial industry before venturing into the field of technology.When his ex-wife Fang Yuan came to see their daughter, intending to mock Chen Yu, she was stunned by the scene before her!All those entertainment industry big shots she had tried so hard to cozy up to were now revolving around Chen Yu.Regretful, Fang Yuan wanted to reconcile with Chen Yu, but then she discovered their daughter's teacher Tong Ya...