Assassin's Chronicle - Chapter 368: Unjust

In the aftermath of a tragic incident, the soul of Zhang Fei was transmigrated into a sacred body in a world of cultivation. Joined by the consciousness of an ancient cultivator, Zhang Fei must find a way to survive in this deadly world of beast demons and immortal cultivators.

“Reincarnated as an extra destined to die? Hell no! I’ll rewrite this story myself!”Charles was just a college student addicted to video games, pulling all-nighters and barely passing his exams… until he woke up as Rian Cole, the most despised member of a powerful clan. A background character. A loser. But above all…A dead man walking with an expiration date.In the original story, Rian Cole was born with uncontrollable lightning powers. He was shunned, abused, and ultimately thrown away as cannon fodder to buy time for the clan leader fighting against the hero.But Charles has no intention of playing that role.Armed with his gaming knowledge and an unbreakable stubbornness, Charles will forge his own path—even if it means defying fate, breaking this world’s rules, and shocking everyone who ever looked down on him.No system. No cheats. And Rian’s body doesn’t always do what he wants.And worst of all… the girls in this world are insane!

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.

Because of her beauty, Dr. Su is visited by dozens or even hundreds of patients every day for various ailments like hemorrhoids and toothaches.Unexpectedly, there comes an even more outrageous claim: “Doctor, I'm injured there!”Just as Su Mei Xi was about to get angry, she realized it was the man she had met two months ago.Back then, he had been composed, but today, he claimed responsibility and they immediately registered for marriage at the civil affairs bureau, walking out with two red certificates.Initially, she thought she merely found a giant tree to lean on for shelter. However, when her ex-boyfriend, stepbrother... continuously came to harass her, she discovered that this tree not only had exceptional strength, a deep background, and mysterious origins but could also cook, wash clothes, and make beds...And then, one day, a helicopter landed, and he descended from the rooftop. Only then did she realize he was actually a distinguished war god!