MTL - Longevity - Chapter 1505 suspicious

200 years after the world has ended, the laws of society have long been forgotten.

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.

As everyone knows, there are three rules for survival:- Good grades.- Wealthy background.- Having Pei Yan's protection.Fortunately, Jiang Shaoyao meets the first two criteria. Unfortunately, she also meets the last one.Pei Yan, the school's top tough guy, rebellious and arrogant, is notorious for his troublemaking. However, he has devoted all his patience in his life to one thing—pursuing Jiang Shaoyao.His friends advise him, 'Brother Yan, give it up. The little fairy is a good student; she's not one of us. It's too hard to chase her.'Pei Yan scoffs: 'I've been spoiled from a young age, if I can't chase her down, then...'Two years later, at a class reunion:'Brother Yan, did you manage to catch up with sister Shaoyao?''Shut up.'...*A story of possessive young man VS a realistically clear-headed young woman.*No high school romance, but they get together after university.*Study hard, stick to your dreams—it's an inspiring story.

In regards to the MMORPG Cross Reverie, Sakamoto Takuma boasted an overwhelming strength that was enough for him to be called the Demon King by the other players. One day, he gets summoned to another world with his appearance in the game. There, there are two people that insist “I am the real summon master.” Takuma gets slave-turning magic used for summoned beasts cast on him by the girls –