MTL - Vicious Female Partner is a Genius Doctor - Chapter 1344 Ji Wanying who hesitates to speak

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.

The strongest female assassin from a special assassination force met her death one day on a mission. To her surprise, she woke up in the body of a 13 year old girl, Mu Rong Liu Yue. Through Liu Yue’s past memories, she found out that she was bullied due to the huge birthmark on her face, even though she came from a renowned family. Liu Yue was beaten to death by her own cousin, and that’s how she managed to enter Liu Yue’s battered body. The assassin then decided to live her life as Liu Yue and swore to avenge her death.

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

Xu ZiYan has a little brother, and that little brother is gay. As an older brother, he has always felt a bit regretful.

One day he transmigrated into the inside of a novel and found himself with another chance to raise a younger brother.

Immediately rolling his sleeves up to prepare for battle, he planned to raise this little brother into an exceptionally good man! And a perfectly straight one!

Taking a lesson from his past experiences, he continuously perfected his training plans.

Clearly, he strangled any opportunities to turn his little brother bent in the cradle, yet why was it that the little brother he had used all his heart and blood to raise — was still a gay guy!!!

And he was a gay guy who made him his target!!!

Your father ain’t playing around anymore!

A body you can save, however a warped soul……how do you want him to save it?! What a godly problem!!!

Twisted black-belly younger brother X irritated wifey older brother.

- Description from Novelupdates