MTL - After Transformation, Mine and Her Wild Fantasy - Chapter 17

After ten thousand years of cultivation, he could have achieved immortality. However, his lack of human experience led to his failure to attain immortality.Thus, he resolved to immerse himself in a century of human existence, seeking to enhance his journey toward immortality. What he didn’t anticipate, though, was that upon entering the human world, he would find himself cast as a son-in-law, facing disdain not only from his wife’s parents but also from his beautiful wife herself.Armed with a wealth of cultivation knowledge, how could he transform his drab human life?

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.

“Hero, where are you going?”“To eat.”“Hero, where are you going?”“To the bathroom.”“Hero…!”“…”The woman who followed me everywhere… Ended up following me all the way to Earth.———A former hero who returned to Earth, now unemployed and just lazing around at home.Then, the saintess who came with him made a suggestion—“How about streaming?”“Hmm… This might actually be a good idea.”And so, the Hero & Saintess Healing Stream begins!

The emotionless Young Master Bo had finally gotten married. Rumor had it that the new Mrs. Bo was easily jealous and had set a family rule on their wedding night: Her husband was to return home every night, and no other females could be around him! Gradually, everyone in Jiang City realized that Young Master Bo's wife was a tigress!On their wedding anniversary, Young Master Bo brought his wife along for an event. Mrs. Bo was young, pretty, and delicate. Every time her eyes lingered at any man a second longer, her husband wouldn’t hesitate to destroy that man's company!Faced with everyone’s gazes, Mrs. Bo couldn’t help but decry, “Bo Jingyan, you've been ruining my reputation again!”Young Master Bo simply coaxed her solemnly. “You don’t know how fierce other women can be! Baby, you must protect me.”Mrs. Bo couldn’t help but flare up. In truth, he was the one who exerted strict control over her in private!