The Villainous Noblewoman Is About to Be Forced into Love, Isn't This Wrong? - Chapter 14: The Villainous Noblewoman Persona Runs Deep

One day, a tower appeared in the skies of all the major cities…

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.

Liam feels increasingly suffocated by debt, paralyzing shyness, and the monotony of everyday life. However, everything falls apart when he is falsely accused of a crime and is on the verge of being expelled from university. But as he's wandering hopelessly back home, a strange voice echoes in his head, informing him that he has received the “Harem App.”Suddenly, his life is turned upside down, and he now has supernatural powers to win over beautiful women. At the same time, he finds himself entangled in conflicts far beyond those of a mere human.

All of a sudden, various watches appeared out of nowhere in different parts of the world. These locations were quickly controlled by various organizations, and then the marketing of the watches was strictly controlled.Why was this? Because these watches gave access to a unique world: Eternity!Eternity functioned more or less like an open-world game with a single-player mode, except that Eternity was a game where you could actually die!By joining Eternity, everyone awakened a unique talent.This talent helped unlock the first classes, which allowed you to strengthen your physique both in Eternity and in the real world!Not to mention the various skills and talents available...And above all, there was the legend that it was possible to become immortal thanks to Eternity!It was with the aim of changing his destiny that Maxime trained his whole life in swordplay, and for many years saved his meagre salary to obtain one of these famous watches!Watch his rise in the real world thanks to Eternity!