Haikyuu: Zero To Almighty - Chapter 611: Winner Takes All! (Double-Length)

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.

This is a time of great powers: The vast Persia, Sparta that is founded by force, Athens with its trade and business, Thebes the rising star, The ambitious Macedonia, The twin heroes of the Western Mediterranean, The rising Rome and so on.

This is an era of brilliant stars: Agesilaus II – the last king of Sparta, Epaminondas – the Rising General of Thebes, Philip II – the founder of Macedonian hegemon, Dionysius – the tyrant of Syracuse, Camillus – the Roman dictator and savior…

This is an era of contention among a hundred schools of thought: Plato – the great philosopher, Antisthenes – founder of cynicism, Pythagoras – school of number, Democritus – the encyclopedia scholar, Hippocrates – the father of western medicine, Aristophanes – the great dramatist…

What will the hero bring to the world when he comes to this age as a humble mercenary through rebirth?

- Description from Novelupdates

This novel is also known as Turns Out, I'm from a Real Aristocratic Family!

After staying in the Bai family for eighteen years, Ou Yan realized that she was a fake daughter. The real daughter came back, she was abandoned, and she was about to be sent back to the poor mountain valley…

Unexpectedly, the so-called poor mountain valley was actually the most expensive villa area for rich people in the whole country! Overnight, she changed from a fake daughter of an ordinary wealthy family to a real daughter of a top wealthy family!

The biological parents dote on their daughters like crazy, they spend tens of millions in pocket money, drive the luxury cars in the garage, and buy high-end products all over the world. Want to go to school? You can choose from top schools! Don’t want to go? Come, the company at home will play with it! What Ouyan didn’t expect the most was that she actually had a fiancé…

The fiancé came to the door and wanted to divorce, but Ouyan didn’t care, but why did this person entangle her after mentioning the divorce? Every now and then I want to hold my little hand and kiss my little mouth.

Ouyan was annoyed, “Sir, who are you?”

“Baby, I’m your husband.”

“Oh, no husband, only one ex-fiancé who wants to divorce.”

The world’s richest man, Si Yechen, who was feared by everyone outside: “… ”

I really want to kill that idiot who made a high-profile divorce without even meeting her…

- Description from novelbuddy

In the Sky Sword Continent there are thousands of sects and strong cultivators as common as trees. In order to prevent his older sister from being forcefully married off, Lu Xuan had no choice to but to unceasingly cultivate and enter a sect to ask for a favor. By chance, a sword-shaped crystal of mysterious origins entered into Lu Xuan’s body, containing countless top-class martial skills, powerful martial arts, and everything you could wish for! A martial legend starts here…