Monster Integration (Web Novel) - Chapter 4363: Infected

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.

Roan transmigrated as an FBI investigator.Several years later, a journalist interviewed the world-renowned detective Roan Greenwood and asked,“What made you persist in solving cases for so many years?”Roan tilted his head and glanced at the sports car beside him, the villa behind him, and the beautiful woman inside the villa. He smiled slightly and said,“Well, the bonus after solving the case.”“What?”

This novel is also known as The Silent Cherry And Plum Blossoms

This is an age-gap story. Bai Fumei Gentle Royal Sister & Ruan Meng Xueba Girl HE Xiang

Tao Anzhi: Yanxi, do you love me?
Yan Xi: Tao Tao, of course I love you.
Tao Anzhi: So do you like me?
Yan Xi: Tao Tao… I can’t…

Content tags: A match made in heaven
Protagonist: Yan Xi, Tao Anzhi ┃ Supporting roles: Gao Jiming, Liao Chengyu, Xu Jiaer, Yang Mengmeng ┃ Others: cultivation, age difference

- Description from novelbuddy

Transmigrate to the world of One Piece, reincarnate as Saint Imu; Control the world government and sit on the throne of the void.He obtains the star map of the omniverse and contemplates the sea of dimensions.Gather all individual combat power, military power, financial resources and all material resources to open the star gate, conquer all dimensions, and break the limit of individual power!Unite or be destroyed, how to choose?