Level 4 Human in a Ruined World - Chapter 612

Chu Qiao was known as Agent 005 within the Secret Service’s 11th Division in her former life. She was locked up in the Secret Service’s prison as she was framed. After she successfully broke out from prison, she sacrificed her life bravely to preserve the Secret Service by defusing a bomb meant to wipe them out.

When the new snow begins, the full moon will be in the sky

The shadows are tiled below

Shining silver on it

And you walked towards me with a smile

Between the moon and snow

You are the third stunning color

——Yu Guangzhong “Stunning Color”

- Description from Novelupdates

Xia Yangyang receives her 20th birthday present by witnessing her boyfriend and her best friend in bed.

The next moment, she ends up marrying the most eligible and wealthiest bachelor in the city, Gu Qichen.

From then on, she levels up and becomes invincible.

Xia Yangyang’s jerk ex-boyfriend tries to win her back, while her scheming friend plots against her. Mr Gu comes to her rescue and seeks revenge on her behalf.

She has a vicious half-sister and a stepmother who makes things difficult for her. Mr Gu retaliates and teaches them a lesson.

Everyone knows that Mr Gu is ruthless and cold-blooded. But no one has ever seen how he pampers and dotes on his wife…

……………………………………………………………

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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.