I'm the Owner of the Pokémon Day Care In the World of Pokémon - Chapter 1546: Gift Transformation Planting

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.

Special police officer Li Yu was reborn on the body of a little girl who was abused to death by her fiance’s family in Dayong Dynasty after saving people and sacrificed. Special police officer Li Yu was reborn as Li Yu in ancient times.

In my hometown, the former fiance’s family took back the property left by the original owner’s father, smashed and countered the murders of the Zhang family again and again, and rescued the scholar in the next village when he went hunting in the mountains.

When the wind and water came up, the sudden locust plague was followed by a disaster of war…

- Description from novelbuddy

Plot Summary: This novel combines the popular “villainess” genre with the contemporary concept of VTubing, where the protagonist, a typical villainess character, becomes a VTuber—an online persona using a digital avatar. As she navigates her dual life, her influence extends beyond the virtual world, leading to increasingly violent and chaotic consequences in reality. The story delves into the psychological impact of living a double life and explores themes of power, manipulation, and the dark side of internet fame.Why Read It: The novel offers a fresh and thrilling take on the villainess trope by incorporating modern digital culture elements. It’s particularly appealing to readers who enjoy stories that explore the darker aspects of fame and influence, with a unique blend of fantasy and real-world issues. The narrative's intense and sometimes graphic nature sets it apart from more conventional stories in the genre, making it a compelling read for those looking for something different.

[Invincible, showoff, face-slapping, feelgood]“Who is richer? Sorry, Every watch I have is worth billions. Money is just a number to me!”“Wanna fight? Fine, I won't even use my hands and feet. I've never lost a fight in my life!”“You like me? Sorry, even a cruise ship is not big enough to hold all the women I have. Haven't you seen the princess of Anenida lining up for me?”With the invincible system, everything can be easily accomplished.Please don't show off in front of me. I have a nickname called Face-slapping Zhang!