Divine Glitch: I Regressed With Endgame Knowledge - Chapter 29: The Ironblood Covenant

Luke never thought his obsession with novels would lead to his death — let alone reincarnation.After a fatal accident, he awakens in the world of Voidstar Chronicles, a novel he’d just finished reading.But there’s a catch: he’s not the hero. He’s Cassian von Luminaire, the doomed crown prince who dies before the story truly begins.Armed with the knowledge of the future, Cassian was determined to change himself and escape the terrifying fate that awaited him.But the world he’s in isn’t exactly the same as the book he read. Hidden truths and unexpected challenges blur the lines between fiction and reality.Can he outsmart fate and forge a new path, or is he destined to remain an expendable extra?—[Ding! Star System awakened successfully…]

Xiang Yi was most famous vase in the entertainment industry. The subject of ridicule on the world wide web, she suddenly announced: She was going home to farm. Her anti-fans: Hehe. She deserves it. The next day, Xing Chen APP started a live broadcast stream of Xiang Yi's rural life. Heh? Why did a top ranking lawyer stop by for dinner? Heh? Why did a doctor come to raise chickens? Heh? Why is a famous fashion designer here to dye cloths? And why is an esports legend installing a swing set? What, you're her brother? You're also her brother?? As the much anticipated grand slam actor Shi Sui made his grand descent into the scene, the anti-fans began to tremble as they weakly typed out on the screen: You... Are you also her brother? The film star calmly squeezed Xiang Yi's cheeks and says indifferently: I am her husband. The anti-fans: Unabletolaugh.jpg

Traveling to Los Angeles in the 1990s, Roland Allen, who had been beaten by society, thought that he would live an ordinary life in this life, but just when he was about to change careers, reincarnation began——

The number of roles is all determined by default, so they are all related households everywhere?

Sorry, as long as the hoe is swung well, there is no corner that cannot be dug.

- 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.