A Transmigrator's Story in the Hyuga's Main Branch - Chapter 64: Accepting Fighting Challenge From Kiyomi

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.

A striking man of mysterious origin and peerless talent, he looks back at the world, in all its entirety, with utter disdain. And yet, in the treacherous and unpredictable ultimate formation of the Boundless Secular World, he guards a breathtaking ancient qin with broken strings, waiting silently for the destined one to arrive!

A third-tier star, Lu Weiyu, an ordinary beta, urgently needs a backer.
After finally getting into the marshal’s banquet, just about to strike up a conversation——
Marshal raised his phoenix eyes and said, “Get lost.”
Lu Weiyu rolled away non-stop, and was pulled back by the marshal before he rolled away.
With a low voice and domineering eyes, the Marshal put him in his arms: “Did I tell you to get out? Get back.”
Lu Weiyu nodded tremblingly.
The marshal surrounded her, humming: “If you touch someone, you will be responsible to him.”
Lu Weiyu was dumbfounded, and said nonsense: “Okay, take responsibility.”
The marshal pinched the man’s chin and snorted coldly: “What are you responsible for? Women, don’t play with fire.”
…
It was only later that Lu Weiyu found out that the marshal had fallen ill again.
Marshal: “I hit you with my life.”
——
Demining:
Glyph of sand.
ABO, I don’t know what to write, just arrange it.
The cultural design is mine, please leave if you don’t like it.
Which channel to write about is my business, and I don’t need others to tell me what to do.
the
Content tags: female supporting role sweet text wearing books
Search keywords: Protagonist: Lu Weiyu ┃ Supporting role: Zhao Shumi ┃ Others: Wearing Books, Dog Blood, Sand Sculpture

- Description from novelbuddy

Tian Man Continent is a world of martial arts. A young boy named “Su Yi” led countless yao (monsters or demons) and overrode countless families who had thousands of years of history. He rose abruptly in the world as the brightest star in the sky. He married beauties and walked towards the peak of of the world, and finally ascended onto the thrones of the ancient gods!

- Description from novelupdates