Ultimate Tycoon: Building the Richest Empire with System and Heroines - Chapter 1: My life is total shit, but i got a plot armor

Korean entertainment novels, I don’t like it.

There are already three copies, character protection, never TJ.

- 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.

“Each time you break a rule; I’ll claim a part of your body as mine” Forced to marry the heir of the largest mafia syndicate to pay for her parent’s debt and her grandmother’s hospital bills. “Live with my son for 30 days, if you don’t fall in love with him, I’ll cancel this contract.” Can Malissa live with the handsome, hot and dominating Hayden for 30 days without falling for his charms? However, there are rules to living with this lusty monster and as Malissa breaks them, she learns of pleasures that she never knew existed. As his touches set her on fire, her heart starts to melt. But does the two have a future together when Hayden is in love with someone else and Malissa cannot get over her ex-boyfriend? READ NOW to find out!

Another year of enlistment season, the recruit company is a rare encounter in a hundred years, bringing together a group of unruly thorns with sky-high backgrounds!

When everyone was at a loss, Qin Yuan recommended himself to be a recruit company commander and began to build the strongest special force!

In the annual large-scale military exercise, recruit companies are allowed to participate and are responsible for simple logistics.

However, when the red side was retreating, a miraculous scene appeared on the battlefield.

The head of a reconnaissance regiment of the Blue Army: “Report! The red team cheated! Our reinforcement regiment was defeated by the enemy’s special forces, but the enemy actually made a poor excuse to call himself a recruit company!”

Brigade commander of a rocket brigade of the Blue Army: “Can’t you afford to lose? Special forces are not allowed to participate in this exercise! Your red team actually dispatched special forces?”

The Blue Army’s superior roared angrily: “It’s just nonsense! I was shot in the head with special forces in violation of the rules? You also quibble that you are a recruit company?”

Qin Yuan smiled lightly: Don’t pretend, actually… I’m bringing special forces!

- Description from novelbuddy