MTL - Blackstone Code - ~ two thousand one hundred and sixty nine

She was originally the young miss of the Marquis Estate, but became a peasant girl due to a mixed-up at birth.

From the outside, Nana’s life seemed simple. She had everything she had ever wanted: a cute but rascally pair of twin brothers, a best friend, and her own restaurant. Nana couldn’t ask for anything more; she was happy and content in her life.

Your prospects in life are determined by the elemental affinity for magic and streaks of the elements you possess.Logan Kress, a young boy who lost his parents to a plague, loses his elemental streak and affinity but gains something far more potent and potentially lethal in exchange.With his hair now pure white, he can wield magic like never before seen, opening a lot of opportunities for him but inciting the fury of beings infinitely more powerful than him.Read his journey for revenge as he hunts down those responsible for the plague, making allies and creating dangerous enemies along the way.

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.