I Am the Fated Villain - Chapter 636: The death of Tuoba Xiaoyao, All the signs are pointing

The Hero’s party was attacked by a large group of powerful devils. The party will no doubt be annihilated if this were to go on.

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

Yu Xinyan was a tragedy in her previous life. She grew up well, studied well, and should have a bright future, but was used by her adoptive parents to pay off her debts.

It’s okay to marry a second-married man, but she was also used by a scumbag to become a hen that doesn’t lay eggs, and she was blinded, cursed, and bullied by her stepson and stepdaughter for most of her life.

In the end, Yu Jie suffered from an incurable disease, and she didn’t wait for her husband’s greetings, but was kicked out of the house.

It happened that fate tricked people, and accidentally learned the real reason for her infertility. She wanted to be strong for a lifetime, but her life became a joke.

After rebirth, whoever loves this nanny wife should be whoever she wants.

Just as he was thinking about how to change the situation, he found a small space by chance and smiled at the golden finger given by God.

Cleanly kicked the so-called dedicated man, turned around and married the boss in the factory, who had a hard time getting a wife, and lived a sweet little life without shame or embarrassment, who knows who is happy.

- Description from novelbuddy

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.