I Have a Mansion in the Post-apocalyptic World - Chapter 1236 - Mars Rescue

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.

BlurbKira is an Omega treated badly by her pack. She has always been seen as weak and useless. On Alpha Asher’s birthday, she finds out she is his mate, but he rejects her and chooses his mistress, Mira, instead. Humiliated and blamed for something she didn’t do, Kira is thrown out of the pack.Alone and heartbroken, Kira runs into the forest and meets Alpha Ryker, the leader of a pack with a scary reputation. But Ryker is not what she expected. He helps her grow stronger and shows her kindness she has never known. Kira also discovers she has special powers and is part of a prophecy that could save or destroy all werewolves.Now, Alpha Asher wants Kira back, but Ryker has already captured her heart. As war looms, Kira must choose between Ryker, who believes in her, and Asher, who regrets his mistakes. Her decision will decide the future of the packs and her own destiny.Will Kira rise above her past and become a leader, or will she let others decide her fate?

The white lotus, a mysterious artifact rumored to contain the very secrets of the soul, granted its wielder otherworldly power. Countless powerful Magi from all around the universe waged an epic battle over it. When the dust settled from their fierce clash, the artifact disappeared, awaiting to be inherited by one with great destiny.

Adam dreamed of breaking free from the grip of poverty, yearning for a life of riches and comfort. Yet, in a world ruled by arcane spellcasters, achieving such a dream meant becoming one himself. However, learning magic was an expensive aspiration. Not only did it require talent, but also vast resources.

But one day everything changed when he stumbled upon a seemingly ordinary white lotus…

One day, a door to another dimension opened all over the world.

“Channel”

At the same time as the channel opens, different races appear on Earth, and mankind awakens its magical talent.

But…? Yoon Min-joon, was able to use magic long before the channel opened.

The forced escape of a reclusive loner who was once the only wizard on Earth.

“It’s dangerous outside the house.”