Rich Young Mistress: Young Master Xie's Dearest Beloved Wife - Chapter 7551

A genius talisman practitioner is reborn as a seven-year-old girl! However, her innocent appearance belies her vicious personality.

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.

Other people’s Alliance Heads are unrivaled in the lands, with an incomparable domineering air. With a shake of their arm they could cause a thousand waves to ripple throughout Jianghu.Tang Doudou practically wants to flip the table!Cook, warm the bed, warm the bed, cook… She’s completely been caught up in a goddamned cycle!After she finishes she still has to ask a phrase of husband-sama are you pleased?Uncle could endure but Auntie can’t endure!“Wife has worked hard. A moment in the spring night is worth a thousand pounds of gold, when we get home this husband will give you a massage!” This demonically charming black-bellied man’s phoenix eyes flashed as he smiled with a completely harmless expression.Tang Doudou looked to the sky speechless, …

[Debt collection + metaphysics + cool writing]

Ling Chu is dead.

Inexplicably, he traveled through time and became the eldest girl of Shangshu Mansion.

However, he was not favored. He was ordered by the Taoist priests when he was just born to punish his relatives.

He was sent to a Taoist temple for foster care since he was a child, and was not taken back to his hometown until he was a child.

She thought she would live a happy and beautiful life from now on, but what greeted her was an imperial edict to behead everyone in her family.

In order to save her life, she risked her life and cooperated with Jin Yiwei to ransack her home.

For this reason, everyone rebelled against their relatives.

Others thought she was going to cry bitterly, confess to her family and ask for forgiveness.

But she was busy collecting debts, making money, and helping ghosts fulfill their last wishes and accumulate merit to extend her life.

Just when she was living a happy life as a child, she discovered that her parents were both fake.

Just when everyone in Kyoto was waiting for her to go back and fight with the fake daughter,

But she turned around and joined the frightened Jin Yiwei, and was busy following the God of Death every day to ransack homes all over the capital.

- Description from novelbuddy