Unpredictable Marriage. - Chapter 472: Watching over his sleeping wife with the child in his arms

The Gura Gura no Mi is known as the strongest fruit in the world of one piece.

The protagonist was reborn three years ago when God's Honor was globally launched.When the protagonist learned that he had the power to see through everything in the game, he came to realize that the game that he had played for three years in his past life had a lot of secrets.The world inside the game was known as the Laphiem Continent where more than hundreds of tribes lived together, including the werewolves, elves, succubus, angels, titans, and more.The protagonist would use his newly found power and his past life experiences to alter his fate in the chaotic world.

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.

200 years after the world has ended, the laws of society have long been forgotten.