Family Of Ghosts - Chapter 93 - Seven Days Without Intimate Contact

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.

When his family company went bankrupt, Qi Lin sought help from relatives and friends he had helped before.Qi Lin: “Brother Wang, I treated you to breakfast for three years in high school~”Wang Cheng: “I, Wang Cheng, am not an ungrateful person. Bring me 1000 bowls of hot dry noodles for my old classmate.”Qi Lin: “Xueyao, do you remember when you were looking for a job, you stayed at my villa for three years?”Qi Xueyao: “I paid you three years’ rent for a 10-square-meter room. Why don’t you move your whole family in?”Qi Lin helped these people back then, but now they’re indifferent to him.Disheartened, Qi Lin jumped from a high-rise building in despair.He thought he would die like that, but when Qi Lin opened his eyes again, he found himself back in his third year of high school.The family company hadn’t gone bankrupt, and he was still a rich second-generation playboy.Recalling the scenes after his family went bankrupt, Qi Lin sneered coldly.Since I was all about fooling around and waiting for death, why not become a rich second-generation with no morals?

A young man with no spiritual roots. A person who is thought of as trash by others. He constantly acquires various items thought of as waste by the cultivation world. No matter if it is garbage pills or useless materials, he will take them all!

- Description from Novelupdates

“Married rich for three years with no child born. Just when she was finally cured of infertility and ready to give him a child, he brought home his pregnant mistress in high profile.