A Wish to Grab Happiness - Volume 9, Chapter 213: The Burial Prison Beulah

Lucien's last memory was skidding tires, blinding headlights, the sickening crunch of metal.But that wasn't the end.He lived his life and died an overworked and underpaid, but he rose as Lucian D’Aureville. Incumbent heir to House Aureville, one of the most powerful houses in the kingdom.However it wasn't as rosy as it seemed.His predecessor had been murdered by someone, and they wouldn't be happy to see Lucien alive.Follow along as Lucien navigates the complex and treacherous path of nobility and wealth as he rises to the top.

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.

One day, a silver-haired goddess appeared before him.“Heaven-Defying Star. The one who goes against fate. The sole savior of a world doomed to end—”What the hell is this woman even talking about?“You must be the Regressor.”“… What?”No, I’m not.

[No R-18 scenes]Princess Viana Yanis's life took a dramatic turn after she was married off to a very wealthy Count to save her kingdom's failing finances.Unable to endure her husband's cruel and harsh treatment, she decided to end her life.However, she was given a second chance to live, and she chose to take it.Armed with the knowledge of her past, and supported by a special System, she took various actions to save her kingdom from financial ruin.And she sought revenge on everyone who had hurt her in the past...#regression