Mrs Hale, I Surrender - Chapter 23 - 0 Sharing the same bed for the first time is this

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.

In the heart of the Azure Continent lies a legendary establishment known as Origin Mall.This extraordinary store offers goods beyond imagination: a sip of its cola can instantly replenish one's vitality; its spicy snacks grant the strength to overcome powerful foes; the games it offers can accelerate cultivation progress; and its novels impart profound techniques and insights.Origin Mall boasts a vast array of offerings, catering to leisure, entertainment, dining, and training needs alike.However, there’s one rule that all visitors must remember: never cause trouble in the store. The owner, though unassuming, is unimaginably powerful.

On the wedding night, she was tied to his bed.

On the plane, a roar came from the broadcast. "Zuo Aiai, you still dare to run away for me? "She raised her voice. "The world is very big, I want to go out and take a look. ""You can go out, but I'm afraid you won't be able to come back, " the man said shamelessly."Why? "Zuo Aiai blushed. "Get lost""Your photo has been posted on the world's best-selling magazine! " The man said domineeringly. "according to your husband's popularity, there are countless women who want to kill you. For Your Safety, be good! Come home with me! "