MTL - I Built An Empire And You’re Telling Me That I Wasn’t Transmigrated? - ~ Come, thunder rolls

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.

When Xu Ying woke up in the post-apocalyptic world, she found herself back at eighteen years old in her previous life!Luckily, her portable space was filled with spoils from raiding supermarkets, including clothing, food, shelter, and various weapons and medicines.This made Xu Ying ecstatic.In an era of scarce resources and poverty, she had enough to ensure her family lived a good life.While other families favored sons over daughters, Xu's family had always cherished Xu Ying as their precious jewel. Having squandered a good hand in her previous life, she was determined to do better this time by kicking scumbags to the curb and tearing down the 'green tea' women, all while protecting her family and incidentally snagging the toughest man in the village!Huo Chen had a solitary nature and fearsome appearance, causing children to cry at the sight of him, but Xu Ying, who had honed her skills during the apocalypse, was not afraid of the notoriously fierce man at all.Xu Ying: What do you want to do? We're just partners.Huo Chen: You think you can seduce me and then run? No way.

The strongest King of Soldiers returns to the city of flowers, becoming his fiancée's cohabiting bodyguard!

Having found herself caught in a dispute between two goddesses, follow Olivia as she ends up being transmigrated to a strange new world called Khallasia as another species.

This world contains many different races, from humans to elves and gnomes to beast-kin, along with monsters such as goblins and ogres.

Starting anew in this world with no possessions, she will try to live her life in a world that vilifies the races that make up her species.

Her journey will include having to learn to fight in a world where death is frequent, wars are brewing, and slavery, while illegal, is a common occurrence.

She will face many foes, from wild animals to full-fledged monsters, as well as bandits and robbers to knights and adventures, while she tries to find a place to call home.

With only her appearance changing, her mentality to do good deeds remains the same.

Whether this can continue in this new and more violent world is another story, especially since the urges that plague her species will soon start to plague her.

Warning: This is a harem, yuri novel where the MC is also a futanari.