The Rational Detective in Detective Conan - Chapter 89: Ill-Fated Connection

Accidentally, Ye Xiaochen became new generation of Heavenly Farmer (Shen Nong), the treasure in the eyes of deities of three realms.

Moon fairy’s rabbit eats only the carrots grown from his farm.

The heavenly troop which was formed from the magical beans, came out from his farm.

The ninth level elixir which was just released, he supplied the materials for it.

Ye Xiaochen’s goal is to become the overlord of agriculture, not only in earth but also in whole three realms.

I want the heavens to use agricultural products that I plant, I want all the sentient beings in three realms to eat food made from my vegetables, I want all the gods to give up the idea of only swallowing air and eat meals three times in a day just like a normal person.

- Description from Novelupdates

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.

There is only one Magi Craft Meister in the world. After the death of the last Meister over one thousand years ago, Jin Nidou was transported to another world in order to succeed her will.

This is a vast and powerful wizarding world community.

Powerful wizards willfully capture gods, conquer planes, and transform civilizations.

Lin En came to this world and after being exposed to the power of wizards, he gradually realized that knowledge is power and power is truth.

On the road of pursuing the truth, I will always be a humble apprentice.

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Keywords: wizard, development, farming, multiple planes, not the Virgin

- Description from novelbuddy