After Fishing For 10 Years, I Became A Saint Without Knowing How To Raise Beasts - Chapter 13

Before her rebirth, Wei Luo was an innocent little girl.

At the end of the story, I found myself in the body of a hidden villain, betraying the heroines. Since I’m not particularly concerned about the end of the world, I’m calmly waiting for the finale… “You’re the only one who truly appreciated my painting of the boa.” “When I make plans to meet you at four, my heart starts racing at three... is this what they call being tamed?” For some reason, the heroines are starting to take an interest in me.

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.

Shen Chen starts living a life of unrestrained indulgence since marrying Shi Yu. The most beautiful lovers’ prattle she has ever heard is “I will punish those whom you have offended.”Skit:“A handsome man delivered a parcel to your wife just now, Sir.”The young master acknowledged with a lazy “Mhm.”Half an hour later, all courier companies in the city go belly up.“Your wife has offended someone, Sir.”“Mhm.”Ten minutes later, that person is left to die in a desolate mountain.