MTL - My Chief Husband, Too Mensao! - Chapter 3938 Man's heart, the bottom of the sea!

In her last life, she was miserable and ordinary. This time, she got into the fashion and was reborn in another world. She was still the same person… even with the same body and face. What was the point of reincarnation? A childhood companion? He always pulled her hair and made troubles for her? A handsome boy? The boy never looked at her and was 15 years older than her! A prestigious teacher? The teacher spent his days eating and drinking, coaxed, played tricks, and controlled others… Too scary and better run away? No no no, such a challenging life was bound to be wonderful! Now let me take you back to the 70s and live a fast life!

- Description from Novelupdates

“Is this a joke?”That was the first thing Felix thought when he turned 18 and sensed his mate bond.How could Jared possibly be his mate?! The man who bullied him since they were kids, a complete player, and the pupil of Felix’s ‘beloved’ father?! Sure, he was powerful, handsome and leader of their pack - the best match out there, that any other Omega would die for…But nope, not Felix!Felix had no idea what Moon Goddess was thinking, but he wasn’t going to sit still and accept his fate.The problem was that Jared wanted him… And during his first heat, Felix accidentally slept with him! He’d never agree to break their bond now!Well then… What else could a guy do but to run away?But fate wasn’t done dealing with him.Soon after he left, he discovered he was pregnant! From then on, he not only would have to worry about his own survival, but also take care of a child!Two months later, after traveling across the country, he finally found a nice town to settle in. No pack controlling the area, just a few rogues and other rejects.Perfect. After his terrible first match, Felix didn’t want another mate!Except.As Felix was busy getting his new life in order and preparing to welcome his baby, a handsome and dangerous - or maybe dangerously handsome? - Alpha stopped by in town. Kade, the next leader of the Bloodmoon Pack, one of the most powerful packs out there!And Felix sensed a bond between them…“Really? Really? I have to go through this again?!”“Thanks but no thanks, I would rather be a rogue!”Felix said, hugging a fox that made its home in his pantry…And the fox snickered, burying its head in Felix’s neck.

Everything was going so well. It was the perfect path toward greatness.

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.