Mad Dog - Chapter 4: Shattered And Reborn

Wen Qinxi an IT guy at a prestigious gaming company lives a repetitive life, working on an innovative gaming system that is said to change the world. During a routine diagnostic check, he discovers a major flaw that could be detrimental but under pressure from the guys upstairs, the research and development hand over the revolutionary project despite Wen Qinxi citing flaws in the design. The CEO unaware of such a flaw enters the game as a test run before launching the product instigating a chain of events no one expected. manager: Wen Qinxii you have to go save CEO. You are our last hope Wen Qinxi: F*ck! l want a pay raise after this. Thus began the journey of saving the overbearing CEO

When an era came to an end, various forces set foot in cultivation to compete for immortality. A young boy who spent most of the time sleeping got lucky in the troubled times and became an unparalleled immortal who could cover the sky with a snap of fingers. Was he going to live forever?

- Description from Novelupdates

When he did not know her true identity, he treated her very badly, he disliked her too much, she was not elegant enough, she was in the way...Only later did he realize that the woman was his legal wife! He repented, tried to recover her feelings, but she was determined to divorce him.

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.