A Concubine's Competitive Life in the Prince's Household - Chapter 223

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.

“Blake traveled across parallel worlds and arrived at the Cretaceous Period! What’s more, he became a Tyrannosaurus rex! Fortunately, he obtained the Evolution Template system!

[Ding! Super Tyrannosaurus template unlocking progress: 100%] Blake transformed into a Super Tyrannosaurus!

[Ding! The King of Monsters template is now unlocked!]

Just when it was unlocked to 25%, humans from the future arrived at the Cretaceous Period through a wormhole! Facing the prehistoric behemoth, all researchers were shocked!

“Oh! My! God! I can’t believe my eyes!”

“A monster! It’s a monster! I knew it! I knew that the shows I watched when I was a kid aren’t cartoons! They are documentaries!”

“How can it look so much like Godzilla? Oh my goodness! Could it really be Godzilla?!” Blake looked at the tiny researchers in front of him, then pointed his finger at his belly and giant abyssal mouth. What are you looking at? I am a little hungry!”

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, …

[Unconventional routine text! The content is seriously inconsistent with the title of the book, and it is biased towards the daily direction and life flow! If you don’t like it, don’t enter! 】

Through the strange but familiar parallel world, from a popular writer to a high school student lying on an orthopedic hospital bed:

There is a sweet voice in my mind that keeps repeating endlessly;

In the school, there was a deskmate who was said to have nothing but good looks;

…

In the previous life, he lost to reality in the long-distance love race, and was alone for half his life. In this life, he wants to try to be a scumbag.

Is there a more suitable career than a star?

Novels, poems, music, movies…

It all starts here.

- Description from novelbuddy