Lessons on Raising a Partner - Chapter 98 - Pier: I’m not heavy, really…

This is the story of a boy who lived a secluded life in the mountains, tending his farm, rearing his fish, and dreaming his dreams. Eh? Did I suddenly conquer all worlds and become the big boss? Or am I still in a dream?

Into the jungle? That’s okay, there’s food everywhere anyway!
It turned out to be space? Very good, I can run around with medicinal materials at any time!
Saving a wolf is an orc? fall!
What kind of world is this? ! !
There are mutated plants everywhere, and there are many cute ‘pets’, but the species are a bit strange…

Content tags: mecha portable space
Search keywords: Protagonist: Galen, Yalo ┃ Supporting role: ┃ Others:

- Description from novelbuddy

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 story of a little man who walks forward silently, in awe, and strives to chase his dream.

- Description from novelbuddy