MTL - Naruto: The Village is on the Verge of Bankruptcy, I Dug Out the Oil - Chapter 9

With the Goddess’ blessing, he became a 『Divine Knight』 and founded an Empire.
As time passed, he grows older, and by the time the heavens called for him to come, the Goddess showed before him, asking for his last wish.

He wished to be reincarnated in the future.
He dedicated all his life for his people, he had no time to master his own arts.
This time, he wishes to live for himself, forging his body to the utmost limit.

The Goddess complied with his wish.
In the far future, the King shall reincarnate as the 『daughter』 of a renowned Knight family.
And, under some circumstances, she is labeled as a failure of a Knight, however——

「How convenient. I can stand on the foremost line without needing any rank. No better training than actual combat!」

Thus, the legend of the world’s strongest, most beautiful Knight Disciple (♀) has begun—

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.

Wang Bo was fed up with his job being a programmer, especially because of all of the nights he was working overtime without pay. His boss had given him a mysterious game to beta test in his free time, which had granted him possession of unclaimed territory in New Zealand with which to improve to his desires. After a certain event in his company, he ended up quitting his job. His lack of goals and curiosity eventually led him to buy a ticket to New Zealand, in order to see if the unclaimed territory given to him in the game was actually real. Watch, as he develops this beautiful, fertile stretch of land into prosperity, by building villages, farms, schools, hospitals and more.

- Description from Novelupdates

Yunsi, the world’s first flower from the other side of hell.

Also known as – Manzhushahua.

Good at ghost fire, can be called a hundred ghosts, especially good at illusion.

After she met the rumored gentle and elegant son Jiu Ge in a shocking way, she fell into his gentle beauty and couldn’t extricate herself.

Yun Si: “Jiu Ge, Jiu Ge, can I pursue you?”

The young master of Guangfeng Jiyue smiled gently and shook his head politely.

In the next second, Yun Si successfully took his hand.

Yun Si began to push forward: “Jiu Ge and Jiu Ge, can I hug you?”

The young master gently refused.

In the next second, Yun Si successfully hugged her.

“Jiu Ge and Jiu Ge, I want to kiss you.”

The young master tapped her forehead and pondered, “Girl, please respect yourself.”

The alluring Little Fairy Bianhua blinked her beautiful eyes and stood on tiptoe.

Easy going.

then,

The little goblin who did something bad was punished to copy the precepts.

The goblin continued to persevere,

The young master lowered his eyes and looked at the hands holding each other. He was gentle and gentle, and had a good temper. “Young lady, you must respect yourself.”

“I don’t!” The little goblin clung to him, never leaving him.

She always thought he had a gentle temper.

Until one day, she witnessed a woman confessing to him.

The woman stepped forward to get closer,

The young master turned cold in an instant, and kicked her away, without the slightest gentleness, “Get lost.”

The woman ran away crying.

The little fairy who clings to the gentle son every day and wants to kiss and hug him:? ? ?

It turns out that the young master is also very fierce? ?

It turns out that the son can also be rough? ?

The blatant goblin vs the young master who refuses on the surface but is infinitely gentle and pampered secretly. [Love at first sight + two-way secret love]

- Description from novelbuddy