MTL - Princess a Lives By Kissing Me Every Day - Chapter 57

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.

Li Xuehao found a secret of monasticism in the cover of the genealogy. After spending ten years, he finally succeeded in building the foundation. Unexpectedly, he was eager to get rid of the evil spirits. After his death, he was born again in Yokohama, Japan, and was attached to Sakura, Tsurumi. The story of the high school student Gao Zhonghao in the college, the story begins here…

- Description from Shubaow (Translated)

As Orson read the novel written by the girlfriend who had left him, he gently remarked on how terrible the story was. But then, noticing a foul smell coming from the kitchen, he went to investigate. He realized there was some kind of gas leak. Already furious about being dumped, Orson became even angrier at the state of his kitchen, and in his rage, he hit the light switch with a powerful punch. Naturally, the explosion that followed killed him instantly, and Orson passed into the afterlife.After spending some time in limbo, he found himself reincarnated in an unfamiliar world. However, he quickly realized he had been reborn inside the cliché-filled novel written by his ex-girlfriend. As if that wasn’t enough, he had ended up in the body of Neonidas, a useless duke who was also the fiancé of the story's villainess.____There may be a bit too much swearing and slang in the first chapters, but it gets less afterwards.There will be no yuri, bl or ntr in Neonidas(MC) harem

My name is Charlemagne Theron, yes, that’s right, that’s the Theron you think of, and Ajan Lor’themar is my younger brother.

Don’t call me Daqiang, or I guarantee you will be beaten to three quarters to death. As a reliable time traveler, I will tell you responsibly, I…

“Charlemagne, what are you muttering, today is the day when my younger brother will inherit the position of Ranger General, you don’t want to be used by Cirvanas and Vereesa Hurry up when the arrow hits your nostril.”

“…Okay, my dear Alleria, here we go.”

When the two walked away holding hands, an imperceptible figure appeared on the spot.

“Brother, I wish you a happy Shura field.”

I am Charlemagne Theron, I have led the people to participate in the orc war, defeated the ancient gods and the second fool, I also fought against the Burning Legion, and I have made contributions to Azeroth , I bring salt for myself.

(PS: Don’t call me Daqiang, unless you want to grow an arrow from a certain key part behind you.)