PAMPERED BY MY THREE BROTHERS: THE RETURN OF THE NEGLECTED HEIRESS - Chapter 1815: Make a better choice

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.

“Brother, I loved you since before I was born!”

Corporate s*ave Yukimura Rina was reincarnated as the villainess Ekaterina from an Otome game. In her past life, she was obsessed with the brother of the Villainess, Alexei, but seeing him in real life is so much better than in the game! It’s just that, her brother’s upbringing is just so sad that she cries every time she thinks about it!

“Okay! I’m going to escape mine and my country’s destruction flag and make sure everyone lives happily!”

Thus, the villainess from the prestigious 400-year-old Yurinova Dukedom along with her sharp-tongued tendencies back when she was a corporate s*ave forge on forward. With her common sense and knowledge of history, she plans on saving her brother and overcoming all the game events.

For some reason, as time goes by, her talented brother becomes more and more of a siscon. Wait no, he was a siscon to begin with, but she’s more than happy to spend more time with her brother as a brocon and siscon.

And as time goes by, her plan to avoid the heroine and the prince death flag has become more and more messed up. Why? No no, the two of them are good people and good friends, but…

“Prince, stay far far away from me.”

Even so, the settings of the Otome game she played before are completely messed up in this world, nothing is the same.

Anyways! The evil villainess Ekaterina will do her best for the sake of her brother!

Rimu Dynasty, Kingdom of chaos. Demons were rampant, and it was difficult for people to live.

Gu Qing’an had not yet had the opportunity to appreciate his beauty upon transmigrating in this world, as he had to face the demon who targeted and devoured humans.

Fortunately, she had a system.

“I, Gu Qingan, have never been weaker than others. System, add it to me.”

……

Many years later, Gu Qing’an, standing on the frozen void, looked at the newly discovered strange world under her feet without any expression.

“Compared to human beings, alien existence is a demon,” she thought to herself.

“Then, are all creatures in this entire world considered demons?”

- Description from Novelupdates

Heavy rain poured down from above the dark clouds up in the night sky, filling the sky with droplets that splatter on the muddy ground of a narrow road. Thunder and purple lightning roar resounded over the clouds.

This was a night that would forever be remembered.

Bernard was a poor young man with a dream just like any normal human would have, he wanted to survive and make ends meet.

However, he was rendered hopeless when he realized just his certificates and hard work alone, wouldn't be enough to climb up the ladder in the society, he needed connections as well.

Putting his frustrations aside, Bernard decided to work harder, however on his way home something that would forever change his life happened.

Bernard was bitten by a strange Cat in his dark room and entered a strange world...the Symbiote world, with this strange twist of fate, Bernard soon realized the hope to fulfill his dream was rekindled once again.

[Daily Quest: 'Meow Meow five times]