Rebirth! The Assassin's Revenge - Chapter 18: Not So Easy to Fool

A story of Gin, a young man who lost his memories before the age of 17 and became a magician. Living a quiet life running a cafe while researching magic, he is suddenly thrust into an unknown world. Moving between Earth and a realm filled with danger and secrets, Gin must rely on his knowledge, skills, and magical prowess to navigate the perils that arise. Ruthless and determined, he will stop at nothing to uncover the truth behind his lost memories and the mysteries of the world, using every tool at his disposal to rise above all

The entire world knows that the heir of the Jiang family is smitten with Miss Lu, but Miss Lu doesn't see it that way.Lu Jing thinks Jiang Ye has too many unbearable traits and doesn't want to indulge him.One day,the heir runs to the Lu residence.“Lu Jing, when will you finally grant me a formal status?”“Lu Jing, don't accept their things, whatever you want I will give you!”“Lu Jing, you are mine, and you can only ever belong to me in this lifetime!”Lu Jing: “Scram~ Stop disturbing my sleep!”(1v1, reunion after separation, pursuing wife to the crematorium.)

Diagnosed with cancer, she decided to give up the baby in her womb.She had originally planned to have an abortion, get divorced, and then face the arrival of death calmly, hallowing he and his new love to be together.However, he didn't let her go easily. He lingered with her day and night as she grew weaker and weaker, just to leave a child for his infertile new lover.Lying on the hospital bed on the verge of death, she begged, “Take my life and just let me go.”The cold and aloof man knelt in front of her tombstone, holding her favorite gardenias, staying day and night, murmuring with red eyes, “Sweetie, come back. Please don't kidding me...”

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.