Anomaly: Birth of the Strangest Demon Lord - Chapter 12: Mia’s Face

Shen Shi obtained a trading platform that was based 3000 years in the future. Everything from the current age became antiques there and was worth a lot of money.However, he also discovered that the world would be invaded by aliens three years from now. Mankind would fall and the dark Galactic Era would thus begin.The world would then undergo enormous changes that it had never experienced in the past tens of thousands of years.Shocked by what would transpire, Shen Shi decided that he would first trade for a galactic warship.As such, a warship from outer space landed on Earth, stirring up terror among all mankind.The Earth entered the Galactic Era earlier than expected.

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.

It began with an accident, or maybe a miracle is a better term. Three souls dying by different strokes. One died in glory and blood; One died, betrayed but glad it was over; One died poor and alone. Then on the child’s fifth birthday, the three sleeping souls awakened. Three souls, one body, two desires, and containing all the powers each had in their last life. Were they destined for greatness? No. But when the past comes to haunt them, their home taken away, they have to make a decision… May it be as simple as a majority vote.“Let’s squash them!”“...can we just run away?“Were you never taught to aim for the eyes?”

She never dreamed that she would meet him in the bathroom and they...Five years ago, she betrayed him for some reason and chose someone else, which deeply hurt him and he swore to make her pay the price. After the reunion, he launched a fierce attack on her, while she tried to escape this emotional entanglement.However, the red line of fate seems to have already tightly connected the two. Through repeated interactions and confrontations, they gradually uncovered their past misunderstandings and got to know each other again. His deep affection for her remained, and she was gradually moved by his sincerity.