Mr. CEO, Your Wife is A Hidden BOSS! - Chapter 697: Jealousy

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 Immortal stroked the top of my head, and as my hair was tied up, I was bestowed with eternal life.IBM z15, 190 CPUs, 40T of memory, 12.2 billion transistorsArriving in the Cultivation World with a portable data center space, a tale of cultivation aided by the IBM z15.All for the sake of immortality!

In a twist of fate, Jun Hao, a ruthless street thug known for his brute strength and sharp instincts, dies at the hand of the boss he served like a slave.

When he thought he would die, he saw a screen flash before his eyes—it was a system and a status window!

[System integrating: Become A Top Idol]

Jun Hao finds himself abruptly transported into the body of Choi Joon-ho, a timid trainee hoping to make it big in the cutthroat world of idols through “Rising Stars,” a highly popular idol survival show. In a world unfamiliar to him, where singing, dancing, and charisma reign supreme, Jun Hao must navigate the treacherous waters of an idol survival show or risk losing the life of his beloved younger sister.

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Wei Huo has been ignored and overlooked by almost everyone his entire life, including God. In a bid to transform the world into a more game-like one, God halted time for all humanity except for Wei Huo, leaving him to fend for himself.