There's definitely something wrong with this murder mystery game - Chapter 23 - : The Wine Cellar

The body of a thousand gold, upon waking up, became the “illegitimate child” despised by everyone in the imperial capital Leng’s Group. Since then, she has been disguised as a boy since she was a child, and it has become her routine to abuse scum and face.

The teacher said she was a scumbag, so she changed it! Classmates said she was ugly, she changed! The family said she had no product, so she bought it! The main room said she was a bitch, she beat her!

Gong Dou, face slapping is what she is best at, how can it be fun and cruel?

National school grass, business wizards! When she met him, she almost met her nemesis.

“With such a small body, go for a run and develop your eight-pack abs.”

“No!” God! She doesn’t want abs, she wants vest lines!

“You can’t tell the difference between male and female, you look like a little boy, go to the sun to replenish calcium.”

“Don’t!” She didn’t even have time to be Bai Fumei, but he tried every means to blackmail her.

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- Description from novelbuddy

The story follows the protagonist, who wakes up one day to find himself in the body of Licht, a villain from a novel he was reading. Licht is a notorious villain who is known for his cruelty and ambition. However, the protagonist soon discovers that he has a natural talent for villainy. He quickly rises through the ranks of the evil organization and becomes a powerful force in the kingdom.

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.

Ever since she transmigrated, she was blessed with an inbuilt anti-poison detector.

Beep beep – What? Her father’s concubine was evil and her half-sister was vicious?
Beep beep – Ah! She was in an arranged marriage and her husband did not love her?

Who cared? She could kill those evil creatures instantly with her high intelligence.

Her unparalleled beauty attracted countless suitors and her popularity topped the charts. No one was immune, even the emperors and princes were all captivated by her…

- Description from Novelupdates